CATALYST ENERGY SERVICES INC
10KSB40, 1996-03-26
EQUIPMENT RENTAL & LEASING, NEC
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<PAGE>


                                UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                           WASHINGTON, D.C. 20549

                                 FORM 10-KSB

(Mark One)
  
[X]   ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES 
EXCHANGE OF 1934 [Fee Required]

      For the fiscal year ended DECEMBER 31, 1995

[ ]   TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934 [No Fee Required]

      For the transition period from ________to_____________

      Commission file number 0-16618


                        CATALYST ENERGY SERVICES, INC.
               (Name of small business issuer in its charter)

            DELAWARE                               72-0885519
(State or other jurisdiction of       (I.R.S. Employer Identification No.)
 incorporation or organization)

                    3 RIVERWAY, STE 770, HOUSTON, TX 77056
            (Address of principal executive offices)   (Zip Code)

Issuer's telephone number (713) 623-8133

Securities registered under Section 12(b) of the Exchange Act:

   Title of each class          Name of each exchange on which registered

        NONE


Securities registered under Section 12(g) of the Exchange Act:

                    COMMON STOCK, PAR VALUE $.01 PER SHARE
                             (Title of class)


Check whether the issuer: (1) filed all reports required to be filed by Section
13 or 15(d) of the Exchange Act during the past 12 months (or for such shorter
period that the registrant was required to file such reports), and (2) has been
subject to such filing requirements for the past 90 days.   Yes [ ]   No [X]


<PAGE>

Check if disclosure of delinquent filers in response to Item 405 of Regulation
S-B is not contained in this form, and no disclosure will be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-KSB or any amendment to
this Form 10-KSB.  [X]

State issuer's revenues for its most recent fiscal year  $11,308,691

State the aggregate market value of the voting stock held by non-affiliates
computed by reference to the price at which the stock was sold, or the average
bid and asked prices of such stock, as of a specified date within the past 60
days.  (See definition of affiliate in Rule 12b-2 of the Exchange Act). Such
information is not available to the Registrant, as to the best of the
Registrant's knowledge, there has been no trading in the Registrant's voting
stock.


                  (APPLICABLE ONLY TO CORPORATE REGISTRANTS)

State the number of shares outstanding of each of the issuer's classes of common
equity, as of the latest practicable date.

As of 12/31/95, 12,957,223 shares of common stock were outstanding.

Transitional Small Business Disclosure Format
            Yes      No  X
               ----    ----


Documents Incorporated by Reference.

     None


<PAGE>


<TABLE>
<CAPTION>

                              TABLE OF CONTENTS

                                                                          PAGE
                                                                          ----
<S>          <C>                                                           <C>
                                PART I

Item 1.   Description of Business. . . . . . . . . . . . . . . . . . . . .   4

Item 2.   Description of Property  . . . . . . . . . . . . . . . . . . . .   7

Item 3.   Legal Proceedings. . . . . . . . . . . . . . . . . . . . . . . .   8

Item 4.   Submission of Matters to a Vote of  Security-Holders . . . . . .   8



                                PART II

Item 5.   Market for Common Equity and Related
          Stockholder Matters. . . . . . . . . . . . . . . . . . . . . . .   8

Item 6.   Management's Discussion and Analysis of Financial
          Condition and Results of Operations. . . . . . . . . . . . . . .   8

Item 7.   Financial Statements . . . . . . . . . . . . . . . . . . . . . .  10

Item 8.   Changes in and Disagreements with Accountants
          on Accounting and Financial Disclosures. . . . . . . . . . . . .  10


                                PART III

Item 9.   Directors, Executive Officers, Promoters
          and Control Persons; Compliance with Section 16(a)
          of the Exchange Act. . . . . . . . . . . . . . . . . . . . . . .  11

Item 10.  Executive Compensation . . . . . . . . . . . . . . . . . . . . .  12

Item 11.  Security Ownership of Certain Beneficial Owners
          and Management . . . . . . . . . . . . . . . . . . . . . . . . .  13

Item 12.  Certain Relationships and Related Transactions . . . . . . . . .  14


                                PART IV

Item 13.  Exhibits and Reports on Form 8-K . . . . . . . . . . . . . . . .  15


Signatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  17
</TABLE>

                                      3


<PAGE>


                                    PART I


ITEM 1.   DESCRIPTION OF BUSINESS.

Catalyst Energy Services, Inc. ("CESI" or the "Company") was formerly named
Catalyst Valve Services, Inc.  This name change was effective November 1, 1994.
Catalyst Valve Services, Inc. was formerly named Starstream Communications
Group, Inc. ("SCGI").   This name change was effective September 1, 1994.

Historically, SCGI's operations involved the production, marketing and
distribution of (i) compact discs, audio cassettes and LPs in Poland through
Polton Records, pursuant to a distribution contract with Warner Music
International, (ii) custom music-oriented publication in the United States, and
(iii) nationally-sponsored radio promotions in the United States.  SCGI had
discontinued all active business operations by May, 1993.

In anticipation of winding down its business activities, SCGI explored methods
of maximizing shareholder value through acquisitions, mergers, divestitures or
financings.  Of the various proposals reviewed by SCGI, SCGI elected to pursue
an exchange transaction (the "Exchange") with Manifold Valve Services, Ltd., a
Texas limited partnership, ("MVS") pursuant to which all of the partnership
interests of MVS were exchanged for newly-issued common stock of SCGI.  MVS is a
fully equipped and American Petroleum Institute certified repair facility and
remanufacturer of valves used by the oil and gas drilling industry.

In January, 1994 SCGI, MVS and the partners of MVS entered into an Exchange
Agreement, amended in March and June 1994, pursuant to which, effective August
31, 1994, SCGI issued 2,722,790 (post split) shares of its common stock,
constituting initially 91.5% of the outstanding shares (subject to a possible
subsequent upward adjustment to a maximum of 7,186,462 shares or 96.6% of the
outstanding shares based upon a subsequent evaluation of MVS assets) to the MVS
partners in exchange for all of the MVS partnership interests. The MVS
partnership interests were subsequently contributed to a wholly-owned
subsidiary, Manifold Valve Services, Inc. ("MVSI").  Pursuant to this
transaction, SCGI changed its name to Catalyst Valve Services, Inc. and
subsequently, to Catalyst Energy Services, Inc.

In June of 1995, pursuant to the Exchange Agreement and based on the realized
value of SCGI's net assets, SCGI issued an additional 2,207,174 shares to the
MVS partners, resulting in MVS partners owning 95.12% of SCGI's shares.

In February 1995, CESI entered into a non-binding letter of intent to acquire,
via merger, the assets, liabilities and operations of Compressor Dynamics, Ltd.
("CDL").

CDL is one of the larger gas compressor rental companies in the United States,
providing equipment, parts and services for land based, portable compressors.

CDL's general and limited partners, which controlled all of CDL's partnership
interests, are affiliates of CESI's largest shareholder.  CDL's limited partner,
Catalyst Capital Partners I, Ltd. ("CCPI") owned 65.63% of CESI prior to the CDL
merger.


                                      4


<PAGE>


The CDL merger became effective June 15, 1995, in a transaction accounted for
similar to a pooling of interests, whereby CESI issued 7,774,334 shares of its
common stock, and 319,174 shares of $.01 par,  convertible preferred stock, for
all of the partnership interests in CDL.  The common shares issued to CDL's
partners represented approximately 60% of CESI's common shares, post merger. 
The partnership interests acquired were contributed to a newly formed wholly
owned subsidiary, Compressor Dynamics, Inc. and CDL was dissolved.  The result
was, CDI became the successor to CDL's business.

Presently, CESI acts primarily as a holding company for MVSI and CDI, which hold
substantially all of the operating assets of CESI.  The principal offices of
CESI are located at Three Riverway, Suite 770, Houston, Texas  77056.  Its
telephone number is (713) 623-8133.

BUSINESS  (Petroleum Equipment-Segment)

MVS, the predecessor to MVSI, acquired the net assets and business of the
predecessor entity in January 1992.  MVSI specializes in the repair and
remanufacture of high pressure (5,000 to 15,000 PSI) valves (primarily gate),
that are principally used in oil and gas drilling applications.  These valves
(either sold separately or assembled by MVSI in a piping system known as a
drilling manifold) are critical for the drilling contractor to assist in
controlling bottom hole pressures during drilling.  The manifold and the
drilling blowout preventor (BOP) work in concert with one another. 
Occasionally, a third discrete component (often including a separate hydraulic
control console located on the drilling rig) known as a drilling choke, is
combined to form the principal components of the pressure control system of a
drilling rig. 

The three founding principals of the predecessor to MVSI, each of whom is now
employed by MVSI, have been providing services, repairs and remanufactured
valves to the oil and gas drilling industry collectively for over 38 years. 
MVSI's single largest item of repair is the gate valve.  MVSI offers
professional certification on its rebuilt valves which requires, among other
things, that a degreed engineer review the design, repair drawings and processes
MVSI follows during repair.

The gate valves MVSI repairs and rebuilds have orifices ranging from 1-13/16
inches to 4-1/8 inches, with working pressures up to 15,000 PSI.  The valve
brands that MVSI regularly repairs and rebuilds include original equipment
manufactured by Cameron, Quality, McEvoy, Shaffer, Vetco and WKM.

In addition to gate valves and manifold packages, MVSI offers repair services 
for diverter ball valves, reset relief valves, double block valves, drilling 
choke controls and small amounts of BOP repair.  MVSI maintains a 100% 
customer satisfaction warranty policy, which states that MVSI warrants its 
repair and remanufacturing work to be free from defects caused by workmanship 
for one year. In June 1995, MVSI was awarded the designation of ISO-9001.

CUSTOMERS

MVSI's customers include international and domestic drilling contractors, 
rental tool and supply companies and oil and gas operators.  The majority of 
MVSI's work is performed for offshore rig fleets, rather than land-based 
drilling rigs. A small portion of its repair work is for equipment based on 
production platforms.  MVSI's customers operate worldwide wherever 
exploration and production of oil and gas occurs.

                                      5


<PAGE>

MVSI's 10 largest customers generated approximately 83%, and 71% of its 
revenues for the fiscal years ended December 31, 1995, and 1994, 
respectively.  The largest customer represented 18%, 14% and 8% of total 
revenues for the years ended December 31, 1995, and 1994, respectively.  
Sales to International Chandlers, Inc. and ENSCO Offshore Company accounted 
for 18% and 16% of MVSI's total 1995 revenues.  Sales to Falcon Drilling, 
Inc, ENSCO Offshore Company, Sundowner Offshore Service and Diamond Offshore 
Drilling accounted for 14%, 14%, 12% and 12% of MVSI's total 1994 revenue.

COMPETITION

MVSI faces competition from many original equipment valve manufacturers and from
numerous independently operated repair and remanufacture facilities located in
the U.S. and abroad.  MVSI believes that it is one of the larger U.S.-based
companies operating in its market, but estimates its market share is less than
15%.  While the market is highly competitive, MVSI attempts to differentiate
itself on the basis of its commitment to service, extensive inventories, product
knowledge, recognized certifications and responsiveness.

INSURANCE

MVSI maintains comprehensive insurance coverage including property, liability,
automobile, medical, worker's compensation, and "key man" insurance in amounts
it believes are both necessary and customary for the industry.

EMPLOYEES

MVSI employs approximately 40 persons, eight of whom are involved in sales,
management, engineering and administration all of whom are full-time.  None of
the MVSI work force is covered by collective bargaining agreements.  MVSI
provides each full-time and eligible employee medical insurance, worker's
compensation coverage and participation in a company-sponsored 401(k) profit
sharing plan.  MVSI believes that its relationships with its work force are
satisfactory.  CESI serves primarily as a holding company and has no employees
at this time.

BUSINESS  (COMPRESSION EQUIPMENT SEGMENT)

CDL, the predecessor to CDI, acquired the net assets and business of the
predecessor entity in February 1992.  CDI owns and rents portable skid mounted,
land based gas compressors to operators of natural gas properties.

The majority of compression utilized by gas producers and operators in the
United States is derived from compressors they own and operate themselves. 
However, independent rental and service companies similar to CDI satisfy an ever
increasing share of the compression requirements of gas producers and operators.
CDI operates from three rented facilities located in: Seminole, OK; Eastland,
TX; and Houston, TX.

The President and V.P. of Operations of CDI have worked the majority of their
careers in the compressor rental industry, and collectively possess over 25
years of experience.

CDI has over 400 units in its rental fleet, with approximately 60 units in a
state of partial completion.  Additional component assembly would be required to
place these 60 units in rentable condition.  CDI has predominantly all its
rental units located in TX, OK, KS, and LA.

                                      6


<PAGE>

CDI provides the majority of its units on a full or major maintenance basis. 
However, occasionally customers provide the equipment maintenance, allowing CDI
to provide the unit on a "bare" rent basis.

CUSTOMERS

CDI's customers are primarily smaller independent oil and gas operators, or
operators of gas gathering systems. 

CDI's 10 largest customers generated approximately 44%, and 40%, of its revenues
for the fiscal years ended December 31, 1995, and 1994, respectively.  Revenues
from TransTexas Gas Corporation represented 17% and 16% of its revenues for the
years ended December 31, 1995, and 1994,  respectively.

COMPETITION

CDI faces competition from numerous independent equipment rental companies, many
of whom are larger and possess greater resources, broader equipment selection,
special fabricating capabilities, etc.

INSURANCE

CDI maintains comprehensive insurance coverage including property, liability,
automobile, medical, worker's compensation, and "key man" insurance in amounts
it believes are both necessary and customary for the industry.

EMPLOYEES

CDI employs approximately 45 persons on a full-time basis, twelve of whom are
involved in sales, management, engineering and administration.  None of the CDI
work force is covered by collective bargaining agreements.  CDI provides each
full-time and eligible employee medical insurance, worker's compensation
coverage and participation in a company-sponsored 401(k) profit sharing plan. 
CDI believes that its relationships with its work force are satisfactory.  

ITEM 2.  DESCRIPTION OF PROPERTY

MVSI leases approximately 25,000 square feet of manufacturing, warehouse and
office space in Jennings, Louisiana from Andrew Cormier, the president of MVSI. 
The monthly rental for these facilities is $5,000.  Management of the Company
believes that the rental rate and other terms of the lease with Mr. Cormier were
established on terms comparable to an arms-length basis.  The lease expires in
December, 1997 and has two five-year renewal options.  MVSI believes that these
facilities are adequate for its current operations.

CDI leases property from unaffiliated parties in three locations, generally
proximate to its primary areas of rental activity.  They include:  46,750 square
feet of repair, storage, and office space in Houston, TX.; 23,000 square feet of
repair and storage space in Eastland, TX.; and 3,660 square feet of repair and
storage space in Seminole, OK.  The monthly rentals for these facilities are
$8,000, $800, and $675, respectively.  In addition, CDI is responsible for real
property taxes only for the Houston leased facility in the approximate amounts
of $7,300 per annum.


                                      7


<PAGE>

The leases expire April, 1998, December, 1997, and month to month,
respectively.  CDI believes these facilities are adequate for its current
operations and that upon lease expiration, these facilities can be released on
comparable terms, or alternative facilities can be secured without materially
interrupting CDI's business.

ITEM 3.   LEGAL PROCEEDINGS

Neither the Company nor MVSI nor CDI are presently involved in any material
pending legal proceedings.

ITEM 4.   SUBMISSION OF MATTERS TO A VOTE OF SECURITY-HOLDERS.

None.

ITEM 5.   MARKET FOR COMMON EQUITY AND RELATED STOCKHOLDER MATTERS.

As of February 2, 1996 CESI ("the Company") had approximately 198 holders of
record of the Company's common stock.  This number does not include shares held
in "broker" or "nominee" name.  The Company's common stock was delisted from the
NASDAQ system on June 4, 1993.  There is currently no public trading market for
the Company's common stock of which The Company is aware.

<TABLE>
<CAPTION>

        Quarter              1995                1994
                       CLOSING BID PRICE   CLOSING BID PRICE
                       -----------------   -----------------
                         HIGH    LOW          HIGH   LOW
                         ----    ---          ----   ---
        <S>              <C>     <C>          <C>    <C>
        First            ---     ---          ---    ---
        Second           ---     ---          ---    ---
        Third            ---     ---          ---    ---
        Fourth           ---     ---          ---    ---
</TABLE>

The Company has not declared or paid a dividend on its common stock in the past
three years.   The Company intends to retain future earnings, if any, for use in
business operations and does not anticipate paying cash dividends on its common
stock in the near future.

ITEM 6.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
          RESULTS OF OPERATIONS.

In August 1994, CESI acquired MVS.  In June of 1995, CESI merged with CDL 
through an Exchange offer accounted for similar to a pooling of interests 
method of accounting.  As a result of these developments and the related 
accounting treatment of these events, CESI reports the consolidated results 
for MVS and CDL for the fiscal years 1995 and 1994 in the following "Results 
of Operations".

RESULTS OF OPERATIONS

FISCAL YEAR ENDED 1995 COMPARED TO FISCAL YEAR ENDED 1994.

CESI, whose operations are predominantly those of its two wholly owned
subsidiaries MVSI and CDI, had total revenues for 1995 of $11,308,691, which
represented an increase of 3.8% over 1994's $10,899,146.  Separately, MVSI's
revenues for 1995 of $5,860,346, represents an increase of 20% over 1994's of
$4,877,826 resulting from increased offshore drilling activity. CDI's revenues
for 1995 of $5,448,345 represents a decrease of 9.5% from 1994's of $6,021,320
due to intense pricing pressure in the compressor rental market.


                                      8

<PAGE>

CESI's cost of services and rentals for 1995 were $7,124,550 or 63% of total 
revenues.  This compares to 1994's cost of services and rentals of 
$6,374,305, or 58.5% of total revenues.  The higher cost of sales as measured 
in percentage of revenues, largely reflects the competitive pressure of 
rental rates at CDI, and the lower levels of profitability given the somewhat 
fixed nature of many of CDI's cost of rentals and higher material costs 
experienced by MVSI during 1995. Separately, MVSI's cost of services for 1995 
were $4,075,150, or 69.5% of total service revenues.  This compares to 1994's 
cost of services of $3,265,428, or 66.9% of total sales.   CDI's cost of 
rentals for 1995 were $3,049,400, or 56% of total sales.  This compares 
unfavorably to 1994's cost of sales of $3,108,877, or 51.6% of total sales.  

Selling, general and administrative ("SG&A") expenses were $2,227,998 for 
1995, or 19.7% of revenues, compared to $2,123,071, or 19.5% in 1994.  The 
modest increase of $104,927 for 1995 is attributable to costs associated with 
higher 1995 service revenues at MVSI, and increases in insurance and other 
expense items.  Depreciation and amortization was $847,096 for 1995, versus 
$801,310 for 1994, reflecting the additional depreciation related to net 
purchases of depreciable personal property principally at CDI.

Other income and expense, on a combined basis, resulted in a net expense of 
$68,259 for 1995, down from 1994's net expense of $152,063.  This decrease is 
largely the result of a reduction in interest expense to $272,492 in 1995 
from 1994's $359,884.  The reduction relates primarily from the reduced level 
of fixed rate indebtedness and slightly lower interest rates for variable 
rate indebtedness.

Net income from operations totalled $1,109,047 for 1995 compared to 
$1,600,460 for 1994.  Net income before taxes was $1,040,788 for 1995, a 
28.1% decrease from 1994's amount of $1,448,937.  The decline in income from 
operations primarily reflects the impact of lower gross margins achieved 
during 1995 by both MVSI and CDI.

The Company's income tax provision for 1995 reflects results from MVSI and 
the holding Company's operations for twelve months of operations.  The income 
tax provision for CDI reflects results subsequent to the date of the CDL 
Exchange offer (June 15, 1995).  Prior to the exchange, CDL was taxed as a 
limited partnership and therefore, no provision for income taxes was 
recognized.  Upon the consummation of the exchange, CDI recorded a one time 
deferred income tax expense to provide for the effect of temporary 
differences between the tax and financial reporting bases of certain assets 
and liabilities of CDL. 

CESI, at the time of the MVSI merger, possessed a net operating loss ("NOL") 
carryforward in excess of $2,000,000 and a capital loss carryforward of 
approximately $500,000.  As a result of the change in ownership of CESI on 
August 31, 1994, the future utilization of these carryforwards may be 
limited. The recognition of these carryforwards is explained in detail in 
Footnote 11 of the 1995 Financial Statements contained herein.

LIQUIDITY AND CAPITAL RESOURCES

The Company's cash and cash equivalents of $321,946 at December 31, 1995 
decreased $506,617 or 61.9% from year end 1994 due to the repayment of long 
term debt and capital expenditures in excess of net cash provided by 
operating activities for 1995.

                                      9

<PAGE>

Total debt outstanding at fiscal year end 1995 was $2,758,240 compared to 
$3,903,775 at fiscal year end 1994. The Company reduced its debt outstanding 
by principal payments of $1,145,535 and had no additional borrowings.  At 
December 31, 1995, the Company had no outstanding borrowings against its 
revolving credit lines and has available borrowings based on the note 
agreement in force at CDI and MVSI, of $1,455,794.  The Company anticipates 
that it will finance its working capital needs from its net cash provided by 
operating activities, and from its revolving credit facilities, if required.

In fiscal year end 1995, net cash provided by operating activities was 
$1,099,725 compared to net cash provided of $2,120,838 in 1994. The decrease 
was primarily due to decreases in accrued liabilities and accounts payable 
and increases in inventory balances.  Net cash used by investing activities 
decreased from $382,830 in 1994 to $359,820 in 1995, due to decline in 
purchases of property and equipment.  Net cash used in financing activities 
decreased from $1,532,830 in 1994 to $1,246,522 in 1995.  The decrease was 
attributable to a decline in partnership distributions because CDI ceased to 
be a partnership in June of 1995, somewhat offset by the absence of long-term 
borrowings.

The Company expects that 1996 capital expenditures will be between $350,000 
and $600,000 depending upon overall market conditions.  They will be funded 
by a combination of net cash provided by operations and the Company's 
revolving credit facilities.

NEW ACCOUNTING STANDARD

The Financial Accounting Standards Board (the "FASB") issued SFAS No. 121 
entitled "Accounting for the Impairment of Long-Lived Assets and for 
Long-Lived Assets to be Disposed of"  which is effective beginning in 1996.  
SFAS No. 121 specifies certain events and circumstances which indicate the 
cost of an asset or assets may be impaired, the method by which the 
evaluation should be performed, and the method by which writedowns, if any, 
of the asset or assets are to be determined and recognized.  Management does 
not currently believe SFAS NO. 121 will have a material impact on the 
Company's financial condition or operating results upon implementation.

The FASB also issued SFAS No. 123, "Accounting for Stock Based Compensation", 
effective for fiscal years beginning after December 15, 1995.  This statement 
allows companies to choose to adopt the statement's new rules for accounting 
for employee stock-based compensation plans.  For those companies who choose 
not to adopt the new rules, the statement requires disclosures as to what 
earnings and earnings per share would have been if the new rules had been 
adopted. Management intends to adopt the disclosure requirements of this 
statement in 1996.

ITEM 7. FINANCIAL STATEMENT.

The Company's Consolidated Financial Statements required by this Item begin 
at page F-1 hereof.

ITEM 8. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
        FINANCIAL DISCLOSURES.

Changes in Registrant's Certified Accountant

(a) Effective November 15, 1995 by unanimous written consent in lieu of 
    a board meeting, the Board of Directors of Catalyst Energy Services, 
    Inc. engaged the accounting firm of Hein & Associates LLP as 
    independent accountants for the Registrant for 1995.  The services of 
    Ernst & Young, LLP were terminated at the same meeting.

                                      10

<PAGE>

(b) During the most recent fiscal year ended 1994 and in the subsequent 
    interim periods up through the date of their dismissal, there have been 
    no disagreements with Ernst & Young LLP on any matter of accounting 
    principles or practices, financial statement disclosure, or auditing 
    scope or procedure or any reportable events which if not resolved to 
    the satisfaction of Ernst & Young LLP would have caused Ernst & Young 
    LLP to make reference to the matter in their report.

(c) Ernst & Young LLP's report on the financial statements for the year 
    ended December 31, 1994 contained no adverse opinion or disclaimer of 
    opinion and was not qualified or modified as to uncertainty, audit 
    scope or accounting principles.

                               PART III

ITEM 9. DIRECTORS, EXECUTIVE OFFICERS, PROMOTERS AND CONTROL PERSONS;
        COMPLIANCE WITH SECTION 16 (A) OF THE EXCHANGE ACT.

The Directors and Executive Officers of the Company are as follows:

      NAME             AGE            OFFICE
      ----             ---            ------
      Ronald Nixon     40      President and Director
      Rick Herrman     41      Chief Financial Officer, Secretary and Director
      Andrew Cormier   51      Director and President of MVSI
      Gary Farr        42      Director and President of CDI

RONALD NIXON has served as president and a director of the general partner of 
MVS from January 1992 and of CDL from February of 1992 until the consummation 
of the MVSI and CDI Exchanges.  From 1990 to the present, Mr. Nixon has been 
an officer and director of The Catalyst Group, Inc., an investment firm in 
Houston, Texas.  

RICK HERRMAN has served as vice president and a director of the general 
partner of MVS from January 1992 until the consummation of the MVSI and CDI 
Exchanges. From 1990 to the present, Mr. Herrman has been an officer and 
director of The Catalyst Group, Inc., an investment firm in Houston, Texas.  

ANDREW CORMIER has served a president of the general partner of MVS from 
January 1992 until the MVSI Exchange in August of 1994.  Since the Exchange, 
Andrew has served as President of MVSI and  a Director of CESI.  Mr. Cormier 
was president of the predecessor to MVS, from February 1989 to January 1992.

GARY FARR has served as president of CDL since January 1992, and has served 
as President of CDI since June of 1995.  Mr. Farr was general manager of the 
predecessor to CDL, from January 1987 to January 1992.

Messrs. Nixon, Herrman and Cormier became Directors of the company effective 
with the initial Exchange on August 16, 1994.   Mr. Farr became a Director of 
the Company effective with the CDL Exchange on June 15, 1995.  

                                      11

<PAGE>

ITEM 10.               EXECUTIVE COMPENSATION.

There are no employment agreements in effect between CESI and any of its 
officers.  No executive compensation is paid at this time by CESI to any 
current officers.   However, Mr. Nixon and Mr. Herrman are 50% shareholders 
in Catalyst Compressor, Inc. who provided management consulting services to 
the Company in the amount of $102,000 and $108,000 in 1995 and 1994, 
respectively.  The Directors are not currently compensated by CESI for their 
services as directors.

The following table sets forth information with respect to the chief 
executive officer and other executives of MVSI and CDI who received total 
annual salary and bonuses for the fiscal years ended December 31, 1995 and 
December 31, 1994 in excess of $100,000 and may be deemed to be key employees 
of CESI:

                        SUMMARY COMPENSATION TABLE
<TABLE>
<CAPTION>

                                   ANNUAL COMPENSATION

                                                                     Other
     Name and Principal                                              Annual
          Position              Year       Salary       Bonus     Compensation
     ------------------         ----       ------       -----     ------------
     <S>                        <C>        <C>          <C>           <C>
     Andrew Cormier             1995       $102,992     $111,860      -0-
     President - MVSI           1994       $105,000     $ 86,263      -0-

     Gary Cryer                 1995       $ 60,000     $ 56,362      -0-
     Secretary Treasurer-MVSI   1994       $ 60,000     $ 43,031      -0-

     Harry Ardoin, Jr.          1995       $ 60,000     $ 56,362      -0-
     Vice President - MVSI      1994       $ 60,000     $ 42,594      -0-

     Gary Farr                  1995       $101,350     $ 55,219      -0-
     President - CDI            1994       $107,312     $ 61,841      -0-
</TABLE>

The Company has defined contribution 401(k) plans covering substantially all 
of its employees.  Employees are eligible for participation in the plans at 
semi-annual dates immediately following one year of service.  Employee 
contributions are vested immediately and employer contributions are vested 
over a period of five years.  The Company, at its discretion, matches up to 
50% of a participant's salary deferred up to a maximum of 6% of participant's 
compensation at CDI.  The amount matched is a totally discretionary 
contribution at MVSI.

Effective January 1992, MVS entered into five-year employment agreements with 
each of its three key executives, Messrs.  Andrew Cormier, Gary Cryer and 
Harry Ardoin.  These employment agreements have been assumed by MVSI.  In 
addition to establishing certain base levels of compensation and terms and 
conditions of employment, the employment contracts and agreements established 
certain future payments related to the employee's agreements not to compete 
for three years after the expiration of the employment agreement.  The 
payments are in the form of a performance bonus, based on 30% of MVSI annual 
earnings before interest and taxes in excess of $500,000.  The total bonus 
payable by MVSI to Messrs. Cormier, Cryer and Ardoin shall not exceed an 
aggregate of $800,000 during the term of the employment agreements.  As of 
December 31, 1995, MVSI had paid $626,579 of this bonus.

                                      12

<PAGE>

Effective January 1992, CDL entered into five-year employment agreements with 
each of its three then existing key executives, Messrs. Gary Farr, Stephen 
Gillioz and Michael Richards.   Mr. Gillioz left the employment of CDI in 
September, 1995 to join The Catalyst Group, Inc..  These employment 
agreements were assumed by CDI effective with the CDL exchange.  In addition 
to establishing base levels of compensation and terms and condition of 
employment, the employment contracts provide for a payment of annual bonuses 
to the officers equal to 10% (when three executives were employed; reduced to 
7.5% now that there are two executives employed) (in the aggregate) of CDI's 
adjusted earnings before interest and current income taxes, provided that 
adjusted earnings exceed $325,000 per year.  In addition, the executives have 
agreed not to compete with CDI for one year subsequent to the expiration of 
the agreements.

ITEM 11. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.

The following table sets forth certain information concerning beneficial 
ownership of the Company's common stock as of December 31, 1995, by (i) each 
shareholder who is known by the company to own beneficially more than 5% of 
the outstanding shares of common stock, (ii) each director, (iii) the 
President of the Company and the four most highly compensated officers of the 
Company and its subsidiaries, and (iv) all Directors and Executive Officers 
of the Company and its subsidiaries as a group.  Except as otherwise 
indicated, the shareholders listed in the table have sole voting and 
investment power with respect to the shares indicated.

<TABLE>
<CAPTION>

 Name and Address                            Amount of                Percent
of Beneficial Owner                     Beneficial Ownership          of Class
- ------------------                      --------------------          --------
<S>                                         <C>                        <C>
Catalyst Capital Partners, I, Ltd. (1)      10,327,439                 79.7%
Three Riverway, Suite 770
Houston, Texas  77056

Andrew Cormier (2)                             492,994                  3.8%
I-10 Service Road South  
P.O. Box 1009
Jennings, Louisiana 70546

Gary Farr                                      385,417                  3.0%
104 Riley Road
Houston, Texas  77047

Ronald T. Nixon (3)                                  0                  ---
Three Riverway, Suite 770
Houston, Texas  77056

Rick Herrman (4)                                     0                  ---
Three Riverway, Suite 770
Houston, Texas  77056                                            

Harry Ardoin                                   246,497                  1.9%
I-10 Service Road South
P.O. Box 1009
Jennings, Louisiana  70546
</TABLE>

                                      13

<PAGE>

Gary Cryer                                     246,497                  1.9%
I-10 Service Road South
P.O. Box 1009
Jennings, Louisiana  70546                                  

All Directors and Executive Officers (5)     1,564,115                 12.1%
as a group (7 persons)

(1)   Does not include 49,300 shares owned by The Catalyst Group, Inc., the
      general partner of Catalyst Capital Partners I, Ltd. or 77,743 shares
      owned by Catalyst Compressor Inc., the former general partner of
      Compressor Dynamics, Ltd., the beneficial ownership of which is
      disclaimed by Catalyst Capital Partners I, Ltd.

(2)   Does not include 123,248, shares owned by the Matthew James Cormier Trust
      and 123,248 shares owned by the Paige Sonya Cormier Trust, for which
      Andrew Cormier serves as trustee, beneficial ownership of which is
      disclaimed by Mr. Cormier.

(3)   Does not include 49,300 shares owned by The Catalyst Group, Inc., or
      77,743 shares of Catalyst Compressor, Inc. of which Mr. Nixon is a
      shareholder, and 10,327,439 shares owned by Catalyst Capital Partners I,
      Ltd., of which The Catalyst Group, Inc. is the general partner,
      beneficial ownership of which is disclaimed by Mr. Nixon.

(4)   Does not include 49,300 shares owned by The Catalyst Group, Inc., or
      77,743 shares of Catalyst Compressor, Inc. of which Mr. Herrman is a
      shareholder, and 10,327,439 shares owned by Catalyst Capital Partners I,
      Ltd., of which The Catalyst Group, Inc. is the general partner,
      beneficial ownership of which is disclaimed by Mr. Herrman.

(5)   Does not include shares as to which Directors and Executive Officers
      disclaim beneficial ownership.

ITEM 12. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.

Coincident with the purchase by MVS of certain assets of the predecessor 
business to MVS, in January 1992 MVSI entered into a five-year lease for 
facilities owned by Mr. Cormier which were occupied by MVS.  This lease has 
subsequently been assumed by MVSI.  MVSI leases the facilities from Mr. 
Cormier at the rate of $5,000 per month.  Payments under this lease were 
$60,000 and $51,000 for the fiscal years ended December 31, 1995 and 1994 
respectively.  In the opinion of management of the company, the rent and 
other lease terms are no less favorable to MVSI than would be available from 
third parties.

In January 1992, MVS executed a note payable to Catalyst Capital Partners I, 
Ltd. in the principal amount of $1,080,000 bearing interest at the rate of 
10% per annum.  In connection therewith, Catalyst Capital Partners I, Ltd. 
was granted a security interest in certain property of MVS, including 
inventory, equipment, contract rights, general intangible and intellectual 
property.   MVSI retired the note in 1995, and the security interest was 
released.   Mr. Nixon and Mr. Herrman are the sole shareholders of The 
Catalyst Group, Inc. the general partner of Catalyst Capital Partners I, Ltd.

                                      14

<PAGE>

Catalyst Compressor, Inc. ("CCI") an affiliate of The Catalyst Group, Inc., 
charged the Company fees for certain general, administrative, and management 
services totaling $102,000 and $108,000 in 1995 and 1994, respectively.

The Company was a 50% partner in a joint venture from which the Company 
derived $366,935 and $476,343 of rental revenues in 1995 and 1994, 
respectively.  At December 31, 1994, the Company had receivables from the 
joint venture of $116,663.  The Company acquired it's 50% joint venture 
partner's interest in 1995 for $155,000, effectively dissolving the joint 
venture.  

ITEM 13. EXHIBITS AND REPORTS ON FORM 8-K.

(a) Exhibits

The following exhibits are filed with or incorporated by reference into this 
report.  The exhibits which are denoted by an asterisk (*) were previously 
filed as a part of, and are hereby incorporated by reference to, the 
Company's current report on Form 8-K dated June 15, 1995.  The exhibit which 
is denoted by a double asterisk (**) was previously filed as a part of, and 
is hereby incorporated by reference to, the Company's annual report on Form 
10-KSB for the year ended December 31, 1994.

Exhibit                                                     Sequential
Number                   Description                        Page Number
- -------                  -----------                        -----------
 **2.1       Amended and Restated Exchange Agreement March 
             31, 1994 (Exhibit 2(a) to Form 8-K).

 **2.2       Amendment to Amended and Restated Exchange
             Agreement, effective June 23, 1994 (Exhibit 2(b) to 
             Form 8-K).

  *2.3       Exchange Agreement, June 15, 1995 (Exhibit 2.1 to 
             Form 8-K).

 **3.2       Certificate to Amendment to the Certificate to 
             Incorporation,effective August 18, 1994.

 **3.3       Certificate to Amendment to the Certificate to
             Incorporation, effective November 1, 1994

 **3.4       Bylaws

 **4.1       Specimen of Common Stock Certificate of Catalyst
             Energy Services, Inc.

**10.1       Lease Agreement as amended dated January 27, 1994,
             between Andrew Cormier and Manifold Valve Service, Ltd

**10.2       Employment Agreement between Andrew Cormier and 
             Manifold Valve Services, Inc.

**10.3       Employment Agreement between Harry Ardoin, Jr. and
             Manifold Valve Services, Inc.

                                      15

<PAGE>

**10.4       Employment Agreement between Gary Cryer and 
             Manifold Valve Services, Inc.

  10.5       Loan Agreement and First Amendment to Loan Agreement
             between Compressor Dynamics, Inc. and First Interstate
             Bank of Texas dated  December 1, 1995.

  10.6       Loan Agreement between Manifold Valve Services, Inc. and
             First Interstate Bank of Texas dated September 1, 1995

  10.7       Employment Agreement between Gary Farr and Compressor
             Dynamics, Inc.

  21.1       Subsidiaries of Registrant.

  27         Financial Data Schedules 


(b)   Reports on Form 8-K

      Form 8-K was filed on November 15, 1995 for a change in the Registrant's
      Certified Accountant.

                                      16

<PAGE>

                                 SIGNATURES

In accordance with Section 13 or 15(d) of the Exchange Act, the registrant 
caused this report to be signed on its behalf by the undersigned, thereunto 
duly authorized.


                                  Catalyst Energy Services, Inc.     
                           ------------------------------------------


                      By        /S/ Ronald T. Nixon
                           ------------------------------------------
                                Ronald T. Nixon, President

                     Date       March 22, 1996


In accordance with the Exchange Act, this report has been signed below by the 
following persons on behalf of the registrant and in the capacities and on 
the dates indicated.


                       By       /S/ Ronald T. Nixon
                           ------------------------------------------
                                Ronald T. Nixon
                                President and Director

                     Date       March 22, 1996     


                       By       /S/ Rick Herrman  
                           ------------------------------------------
                                Rick Herrman
                                Chief Financial Officer and Director

                     Date       March 22, 1996


                       By       /S/ Andrew Cormier  
                           ------------------------------------------
                                Andrew Cormier
                                Director                   

                     Date       March 22, 1996             


                        By                                       
                           ------------------------------------------
                                Gary Farr
                                Director

                     Date       March  22, 1996


                                      17


<PAGE>

                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

<TABLE>
<CAPTION>
                                                                          PAGE
                                                                          ----
<S>                                                                        <C>
Independent auditor's report. . . . . . . . . . . . . . . . . . . . . . .  F-2

Consolidated balance sheet. . . . . . . . . . . . . . . . . . . . . . . .  F-5

Consolidated statements of income . . . . . . . . . . . . . . . . . . . .  F-6

Consolidated statements of Partners' capital and stockholders' equity . .  F-7

Consolidated statements of cash flows . . . . . . . . . . . . . . . . . .  F-8

Notes to consolidated financial statements. . . . . . . . . . . . . . . .  F-9
</TABLE>



                                    F-1


<PAGE>


                         INDEPENDENT AUDITOR'S REPORT


To the Shareholders and Board of Directors
Catalyst Energy Services, Inc.
Houston, Texas


We have audited the accompanying consolidated balance sheet of Catalyst 
Energy Services, Inc., as of December 31, 1995, and the related consolidated 
statements of income, partners' capital and stockholders' equity and cash 
flows for the year then ended. These financial statements are the responsibility
of the Company's management.  Our responsibility is to express an opinion on 
these financial statements based upon our audit.

We conducted our audit in accordance with generally accepted auditing 
standards.  Those standards require that we plan and perform the audit to 
obtain reasonable assurance about whether the financial statements are free 
of material misstatement.  An audit includes examining, on a test basis, 
evidence supporting the amounts and disclosures in the financial statements.  
An audit also includes assessing the accounting principles used and 
significant estimates made by management, as well as evaluating the overall 
financial statement presentation.  We believe that our audit provides a 
reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in 
all material respects, the consolidated financial position of Catalyst Energy 
Services, Inc. at December 31, 1995, and the consolidated results of their 
operations and their cash flows for the year then ended in conformity with 
generally accepted accounting principles.

We also audited the combination of the accompanying consolidated statements 
of income, partner's capital and stockholders' equity and cash flows for the 
year ended December 31, 1994, after restatement for the 1995 acquisition of 
Compressor Dynamics, Ltd.; in our opinion such consolidated statements have 
been properly combined on the basis described in Note 2 of the notes to 
consolidated financial statements.  Separate financial statements of the 
companies included in the 1994 restated consolidated statements of income and 
cash flows were audited and reported on separately by other auditors.

Hein + Associates, LLP
Certified Public Accountants

Houston, Texas
March 6, 1996


                                    F-2


<PAGE>


                        REPORT OF INDEPENDENT AUDITORS



To the Shareholders and Board of Directors
Catalyst Energy Services, Inc.


We have audited the consolidated statements of operations and stockholders' 
equity and cash flows of Catalyst Energy Services, Inc. for the year ended 
December 31, 1994 (not presented separately herein).  These financial 
statements are the responsibility of the Company's management.  Our 
responsibility is to express an opinion on these financial statements based 
on our audit.

We conducted our audits in accordance with generally accepted auditing 
standards.  Those standards require that we plan and perform the audit to 
obtain reasonable assurance about whether the financial statements are free 
of material misstatement.  An audit includes examining, on a test basis, 
evidence supporting the amounts and disclosures in the financial statements. 
An audit also includes assessing the accounting principles used and 
significant estimates made by management as well as evaluating the overall 
financial statement presentation.  We believe that our audit provides a 
reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in 
all material respects, the consolidated results of operations and cash flows 
of Catalyst Energy Services, Inc. for the year ended December 31, 1994 in 
conformity with generally accepted accounting principles.


                                       ERNST & YOUNG LLP


Houston, Texas
March 31, 1995


                                    F-3


<PAGE>


                        REPORT OF INDEPENDENT AUDITORS



Partners
Compressor Dynamics, Ltd.


We have audited the related statement of operations and partners' capital and 
cash flows of Compressor Dynamics, Ltd. for the year ended December 31, 1994 
(not presented separately herein).  These financial statements are the 
responsibility of the Company's management.  Our responsibility is to express 
an opinion on these financial statements based on our audit.

We conducted our audits in accordance with generally accepted auditing 
standards.  Those standards require that we plan and perform the audit to 
obtain reasonable assurance about whether the financial statements are free 
of material misstatement.  An audit includes examining, on a test basis, 
evidence supporting the amounts and disclosures in the financial statements.  
An audit also includes assessing the accounting principles used and 
significant estimates made by management as well as evaluating the overall 
financial statement presentation.  We believe that our audit provides a 
reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in 
all material respects, the consolidated results of operations and cash flows 
of Compressor Dynamics, Ltd. for the year ended December 31, 1994 in 
conformity with generally accepted accounting principles.


                                       ERNST & YOUNG LLP

Houston, Texas
February 23, 1995



                                       F-4


<PAGE>



                        CATALYST ENERGY SERVICES, INC.
                         CONSOLIDATED BALANCE SHEET
                             DECEMBER 31, 1995

                                   ASSETS

<TABLE>
<CAPTION>
<S>                                                               <C>
CURRENT ASSETS:
Cash and cash equivalents                                         $  321,946
Accounts receivable-trade, net of allowance for
  doubtful accounts of $92,028                                     1,496,133
Inventory, net                                                     2,304,027
Prepaids and other current assets                                     58,653
                                                                   ---------
                    Total current assets                           4,180,759

PROPERTY AND EQUIPMENT, NET                                        3,503,541

OTHER ASSETS:
Inventory                                                            686,656
Notes receivable due from officers                                    34,800
                                                                   ---------
                    TOTAL ASSETS                                  $8,405,756
                                                                   ---------
                                                                   ---------
                      LIABILITIES & STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
Accounts payable-trade                                            $  507,764
Accrued liabilities                                                  264,316
Deferred revenue                                                     393,958
Federal and state income taxes payable                               150,287
Current portion of long-term debt and notes payable                  714,453
                                                                   ---------
                    Total current liabilities                      2,030,778

LONG-TERM LIABILITIES:
Deferred income taxes                                                324,965
Long-term debt, net of current portion                             2,043,787
                                                                   ---------
                    Total long-term liabilities                    2,368,752

Commitments and contingencies (Note 13)

STOCKHOLDERS' EQUITY:
Convertible preferred stock, $.01 par value:
  No stated dividend, non voting and non cumulative;
  5,000,000 shares authorized, 319,174 shares of Series A
  issued and outstanding                                               3,192
Common stock, $.01 par value:
  225,000,000 shares authorized, 12,957,223 shares
  issued and outstanding                                             129,572
Additional paid-in capital                                         1,396,150
Retained earnings                                                  2,478,312
                                                                   ---------
                                                                   4,007,226
                                                                   ---------
Treasury stock (2,500 shares at cost)                                 (1,000)
                                                                   ---------
                    Total stockholders' equity                     4,006,226
                                                                   ---------
                    TOTAL LIABILITIES & STOCKHOLDERS' EQUITY      $8,405,756
                                                                   ---------
                                                                   ---------
</TABLE>

See accompanying notes



                                    F-5

<PAGE>


                        CATALYST ENERGY SERVICES, INC.
                       CONSOLIDATED STATEMENTS OF INCOME

<TABLE>
<CAPTION>
                                                                  Years ended December 31
                                                                  1995               1994
                                                                  ----               ----
<S>                                                            <C>                 <C>
Service revenues                                             $ 5,860,346          $ 4,877,826
Rental revenues                                                5,448,345            6,021,320
                                                             -----------          -----------
  Total revenues                                              11,308,691           10,899,146

Cost of service revenues                                       4,075,150            3,265,428
Cost of rental revenues                                        3,049,400            3,108,877
                                                             -----------          -----------
  Cost of service and rental                                   7,124,550            6,374,305

Gross profit                                                   4,184,141            4,524,841

Selling, general & administrative expenses:
  Selling, general and administrative (Note 6)                 2,227,998            2,123,071
  Depreciation and amortization, net of amounts
    included in cost of service and rental                       847,096              801,310
                                                             -----------          -----------
  Total selling, general and administrative                    3,075,094            2,924,381
                                                             -----------          -----------
Operating income                                               1,109,047            1,600,460

Other income(expense):
  Gain on sale of equipment                                      150,597              178,508
  Interest income                                                 31,154               15,332
  Interest expense (Note 6)                                     (272,492)            (359,884)
  Other, net                                                      22,482               13,981
                                                             -----------          -----------
Total other income(expense)                                      (68,259)            (152,063)
                                                             -----------          -----------
Income before income tax                                       1,040,788            1,448,397

Income tax expense (Note 11)                                     619,370              121,782
                                                             -----------          -----------

Net income                                                   $   421,418          $ 1,326,615
                                                             -----------          -----------
                                                             -----------          -----------

Number of common and common equivalent shares                 12,845,507           12,480,951
                                                             -----------          -----------
                                                             -----------          -----------

    Pro Forma information (Note 14)
      Historical income before tax                           $ 1,040,788          $ 1,448,397
      Pro Forma provision for income taxes (unaudited)           401,952              559,371
                                                             -----------          -----------
      Pro Forma net income (unaudited)                       $   638,836          $   889,026
                                                             -----------          -----------
                                                             -----------          -----------
      Pro Forma net income per share ( unaudited)                  $0.05                $0.07
                                                             -----------          -----------
                                                             -----------          -----------
</TABLE>

See accompanying notes



                                    F-6


<PAGE>

                        CATALYST ENERGY SERVICES, INC.
    CONSOLIDATED STATEMENTS OF PARTNERS' CAPITAL AND STOCKHOLDERS' EQUITY
              FOR THE YEARS ENDED DECEMBER 31, 1995 AND 1994

<TABLE>
<CAPTION>
                                             CONVERTIBLE
                                            PREFERRED STOCK      COMMON  STOCK           ADDITIONAL
                                          NO. OF SHARES  PAR   NO. OF SHARES  PAR         PAID-IN   TREASURY  RETAINED  PARTNERS'
                                             ISSUED    VALUE     ISSUED      VALUE        CAPITAL    STOCK    EARNINGS   CAPITAL
                                             ------    -----     ------      -----        -------    -----    --------   -------
<S>                                           <C>       <C>       <C>         <C>          <C>        <C>      <C>        <C>
Balances at December 31, 1993                    0        $0             0         $0          $0       $0         $0  $ 2,952,247

Partnership net income (through                                                                                          1,193,411
 August 31, 1994 for MVS)
Partnership distributions                                                                                                 (687,201)

Effect of conversion to corporation:
 Shares outstanding at date of conversion                       6,320,992      63,235      31,899
 Issuance of shares in exchange for MVS
  partnership interests                                       117,665,431   1,176,654     (70,382)                      (1,106,272)

Purchase of treasury stock                                                                          (1,000)
Effect of reverse split                                      (119,026,966) (1,190,294)  1,190,294
Post acquisition net income                                                                                    133,204
                                           ---------------------------------------------------------------------------------------
Balances at December 31, 1994                    0         0    4,959,457      49,595   1,151,811   (1,000)    133,204   2,352,185

Issuance of shares in exchange for 
 CDL partnership interests                 319,174     3,192    7,774,334      77,743     246,573            1,923,690  (2,251,198)
Additional shares issued for MVS net 
 asset value adjustment                                           223,432       2,234      (2,234)
Partnership distributions                                                                                                 (100,987)
Net income                                                                                                     421,418
                                           ---------------------------------------------------------------------------------------
Balances at December 31, 1995              319,174    $3,192   12,957,223  $ 129,572   $1,396,150  ($1,000) $2,478,312          $0
                                           ---------------------------------------------------------------------------------------
                                           ---------------------------------------------------------------------------------------
</TABLE>


                                    F-7


<PAGE>


                        CATALYST ENERGY SERVICES, INC.
                     CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
                                                           YEARS ENDED DECEMBER 31
                                                             1995           1994
                                                             ----           ----
<S>                                                          <C>           <C>
Operating activities:
 Net income                                              $   421,418     $ 1,326,615
 Adjustments to reconcile net income 
  to net cash provided by (used in)
  operating activities:
    Deferred income taxes                                    288,409          36,556
    Depreciation and amortization                            948,071         869,721
    Gain on sale of property and equipment                  (150,597)       (178,508)

Changes in operating assets and liabilities:

  Accounts receivable                                        105,722        (183,380)
  Other assets and prepaid expenses                            6,962          18,937
  Inventory                                                 (210,844)        (81,977)
  Accounts payable & accrued liabilities                    (389,477)        242,648
  Federal and State income tax payable                        80,061          70,226
                                                         -----------     -----------

Net cash provided by operating activities                  1,099,725       2,120,838

Investing activities:
  Net assets acquired in business combination                   -             95,134
  Purchases of property and equipment                       (493,870)       (672,079)
  Increase in organization costs                                -            (33,000)
  Proceeds from sale of property & equipment, other          168,850         227,115
  Issuance of notes receivable-officers                      (34,800)           -
                                                         -----------     -----------
  Net cash used in investing activities                     (359,820)       (382,830)

Financing activities:

  Net revolving line of credit payments                       (1,384)        (53,000)
  Proceeds from issuance of long-term debt                      -            235,265
  Principal payments on long-term debt                    (1,144,151)     (1,026,894)
  Partnership distributions                                 (100,987)       (687,201)
  Purchase of treasury stock                                    -             (1,000)
                                                         -----------     -----------
  Net cash used in financing activities                   (1,246,522)     (1,532,830)     
Net increase (decrease) in cash and
  cash equivalents                                          (506,617)        205,178

Cash and cash equivalents at beginning of year               828,563         623,385
                                                         -----------     -----------
Cash and cash equivalents at end of year                 $   321,946     $   828,563
                                                         -----------     -----------
                                                         -----------     -----------
</TABLE>

See accompanying notes


                                    F-8





<PAGE>

                        CATALYST ENERGY SERVICES, INC.
                        NOTES TO FINANCIAL STATEMENTS
                              DECEMBER 31, 1995


1.    ORGANIZATION

      The registrant is Catalyst Energy Services, Inc. ("CESI"), a
      Delaware corporation, and its subsidiaries Manifold Valve
      Services, Inc. ("MVSI") (formerly Manifold Valve Service, Ltd.
      ("MVS"), a Texas limited partnership), and Compressor Dynamics,
      Inc. ("CDI") (formerly Compressor Dynamics, Ltd. ("CDL"), a Texas
      limited partnership) (collectively known as the "Company"). MVSI
      was formed by a stock exchange agreement ("Exchange Agreement")
      that was effective August 31, 1994 (See Note 2).  CDI was formed
      by an exchange agreement that was effective June 15, 1995. (See
      Note 2). CESI is a holding company  formed to acquire and operate
      subsidiaries engaged in the acquisition of "niche" companies,
      primarily serving the worldwide energy industry.  
      
      MVSI's primary operations consist of providing valve repair and
      remanufacture services to the oil and gas drilling industry, along
      the U.S. Gulf Coast, and worldwide.  The company specializes in
      high pressure (5,000 to 15,000 PSI) valves (primarily gate), that
      are principally used in oil and gas drilling applications.  

      CDI's primary operations consist of the rental, sale and service of
      natural gas compressors to land-based independent gas producers in
      the U.S. Gulf Coast and Mid-Continent regions.


2.    BUSINESS COMBINATIONS

      MANIFOLD VALVE SERVICES, INC.

      On August 31, 1994 CESI and its  subsidiary MVSI entered into the
      Exchange Agreement with Starstream Communications Group, Inc.
      ("SCGI") whereby the Company became the successor corporation. 
      The transaction was accounted for as a reverse acquisition whereby
      the assets and liabilities of  the Company remained at their
      historical cost bases and  the assets and liabilities of SCGI were
      restated to their fair value as of  August 31, 1994, all according
      to purchase accounting principles.

      The Exchange Agreement was initially entered into in January, 1994
      between SCGI, MVS and the partners of MVS and was subsequently
      amended in March and June 1994, and became effective August 31,
      1994.  Pursuant to the Exchange Agreement, SCGI issued 68,069,686
      shares of its common stock (subject to final adjustment to a
      maximum of 179,661,558 shares, or 96.6% of the outstanding shares,
      no later than June 30, 1995), constituting 91.5% of the post
      issuance outstanding SCGI shares to the MVS partners in exchange
      for all of  the MVS partnership interests.  Pursuant to the
      Exchange Agreement, the exchange was adjusted upward based on the
      market value of assets of SCGI, thereby increasing the MVS
      partners' percentage ownership from 91.5% to 94.9%.  This final
      adjustment occurred June 30, 1995.  All shares referred to above
      were prior to a 1 for 25 reverse split of the Company's common
      stock more fully described in Footnote 10.


                                     F-9

<PAGE>

      COMPRESSOR DYNAMICS, INC.

      On June 15, 1995, the Company issued 7,774,334 (post split) shares
      of its common stock and 319,174 shares of newly authorized Series
      A Preferred Stock, $.01 par value (the "Preferred Stock"), to the
      partners of CDL in exchange for all of such partners' interests in
      CDL, which constituted 100% of such interests.  The shares of
      common stock issued in the CDL acquisition constituted
      approximately 60% of the common stock of the Company then
      outstanding.  The CDL acquisition has been accounted for and given
      effect as though it had been effective for all periods covered by
      the accompanying financial statements.  Because the Company and
      CDL are effectively controlled by a common entity (The Catalyst
      Group, Inc.) all assets and liabilities transferred in the CDL
      acquisition have been accounted for at historical cost, in a
      manner similar to that in a pooling of interests.

      No pro forma information has been presented due to the
      immateriality of SCGI's operations to the combined enterprise.

3.    SIGNIFICANT ACCOUNTING POLICIES

      CONSOLIDATION

      The consolidated financial statements include the accounts of the
      Company and its two wholly owned subsidiaries. All significant
      intercompany accounts and transactions have been eliminated.
      
      RECLASSIFICATIONS

      Certain 1994 amounts have been reclassified to conform to the 1995
      presentation.

      REVENUE RECOGNITION

      Revenue on compressor rentals is recognized ratably over the term
      of the rental agreements.  Compressor sales are recorded upon
      delivery of the equipment to the customer. Compressor service
      revenue is recognized as the related services are provided with
      the exception of services provided on compressors leased with  a
      service contract, which is recognized ratably over the term of the
      contract.  Revenue on valve repair and remanufacture services is
      recognized upon delivery of the equipment to the customer.

      Compressors are generally rented on a short-term basis, 3 to 12
      months.  At the end of the lease term, the customer either returns
      the compressor or continues to rent the compressor on a month by
      month basis.  Compressor leases may require the lessee to bear all
      repair and maintenance costs or the lease may provide that the
      Company maintain the compressor in good working order throughout
      the term of the lease.

      PROPERTY AND EQUIPMENT

      Property and equipment are stated at cost.  Depreciation is
      recorded using the straight line method over a range of estimated
      useful lives of the assets as follows:

<TABLE>
                    <S>                             <C>
                 Compressor rental fleet         5-10 years
                 Equipment                       3-10 years
                 Vehicles                        2-5  years
                 Furniture and fixtures          2-10 years
</TABLE>

                                      F-10

<PAGE>

      ORGANIZATION COSTS
      
      The Company capitalizes organization costs and amortizes them on a
      straight-line basis over 60 months.  Amortization expense for the
      years ended December 31, 1995 and 1994 was $41,097 and $40,599
      respectively.
       
      INCOME TAXES

      The provision for federal income taxes is computed on the basis of
      the Company filing a consolidated federal income tax return.

      Effective August 31, 1994, the Company adopted Statement of
      Financial Accounting Standards ("SFAS") No. 109, "Accounting for
      Income Taxes" which was adopted January 1, 1993 by SCGI.  Under
      SFAS No. 109, the liability method is used for determining the
      Company's provision for income taxes.   Under this method,
      deferred tax assets and liabilities are determined based on the
      differences between the financial reporting and income tax bases
      of the Company's assets and liabilities. 

      CASH AND CASH EQUIVALENTS

      The Company considers all highly liquid investments with a
      remaining maturity of three months or less at date of acquisition
      to be cash equivalents.

      USE OF ESTIMATES

      The preparation of the Company's consolidated financial statements
      in conformity with generally accepted accounting principles
      requires the Company's management to make estimates and
      assumptions that affect the amounts reported in these financial
      statements and accompanying notes.  Actual results could differ
      from those estimates.


      PRO FORMA NET INCOME PER COMMON SHARE

      Net income per common share for the year ended December 31, 1994
      has been computed based upon the average number of shares
      outstanding for the first eight months of 1994, equivalent to the
      number of shares issued in exchange for the MVSI partnership
      interests as part of the business combination and the actual
      number of shares outstanding for the four months subsequent to the
      MVSI business combination.  Net income per common share for the
      years ended December 31, 1995 and 1994 has been computed based on
      the average number of shares issued in exchange for the CDI
      partnership interests as a part of the business combination as if
      they were outstanding for all of 1995 and 1994.  All calculations
      retroactively reflect the reverse stock split of 1 to 25 that
      occurred in November 1994 (see Note 10).


      SUPPLEMENTAL CASH FLOW INFORMATION

      The Company paid interest of $281,000 and $376,000 in 1995 and
      1994, respectively.  The Company paid income taxes of $226,500 and
      $15,000 in 1995 and 1994, respectively.


                                      F-11

<PAGE>
      INVENTORY

      Inventories are stated at the lower of cost or market with cost
      determined using the average cost method for the compressor fleet
      parts, the first-in, first-out method for the valve parts and 
      specific identification for valve finished goods and long-term
      compressor parts.  Inventory at December 31, 1995 consists of the
      following:

<TABLE>
                      <S>                                 <C>
                Parts (compressor and valve)          $1,938,406
                Finished goods (valve)                   560,047
                Inventory reserve                       (194,426)
                                                      ----------
                Current Inventory                     $2,304,029
                                                      ----------
                                                      ----------
                Long-term compressor parts            $  686,565
                                                      ----------
                                                      ----------
</TABLE>

      NEW ACCOUNTING STANDARD

      The Financial Accounting Standards Board (the "FASB") issued SFAS 
      No. 121 entitled "Impairment of Long-Lived Assets" which is 
      effective beginning in 1996.  SFAS No. 121 specifies certain 
      events and circumstances which indicate the cost of an asset or 
      assets may be impaired, the method by which the evaluation should 
      be performed, and the method by which writedowns, if any, of the 
      asset or assets are to be determined and recognized.  Management 
      does not currently believe SFAS No. 121 will have a material 
      impact on the Company's financial condition or operating results 
      upon implementation.

      The FASB also issued SFAS No. 123, "Accounting for Stock Based 
      Compensation", effective for fiscal years beginning after December 15,
      1995.  This statement allows companies to choose to adopt the 
      statement's new rules for accounting for employee stock-based 
      compensation plans. For those companies who choose not to adopt the 
      new rules, the statement required disclosures as to what earnings and 
      earnings per share would have been if the new rules had been adopted. 
      Management intends to adopt the disclosure requirements of this 
      statement in 1996.

4.    PROPERTY, PLANT, AND EQUIPMENT

      Property, plant, and equipment  at December 31, 1995  is stated
      at cost and consists of the following:

<TABLE>
                  <S>                                 <C>
                Compressor Rental Fleet             $4,442,791
                Equipment                              717,079
                Vehicles                               615,170
                Furniture and Fixtures                 157,296
                                                    ----------
                                                     5,932,336

                Less: Accum. Depreciation           (2,428,795)
                                                    ----------
                                                    $3,503,541
                                                    ----------
                                                    ----------
</TABLE>

      Accumulated depreciation related to the compressor rental fleet
      as of December 31, 1995  was $1,760,225.


                                     F-12

<PAGE>


5.    DEBT
      
      Long-term debts consist at December 31, 1995 of the following:

<TABLE>
            <S>                                                      <C>
      Term note payable, bank, due in quarterly
         installments of principal only of 
         $166,666 through October, 1999. The note
         bears interest at 8%, payable quarterly.                 $2,666,672

      Vehicle notes payable to banks, due in 36 and 48 
         monthly installments of varying amounts. 
         Interest is at fixed rates of 7% to 8% per annum.
         These notes are collateralized by certain Company
         vehicles.                                                    91,568
                                                                  ----------
                                                                   2,758,240

      Less current maturities                                       (714,453)
                                                                  ----------

      Total long-term debt                                        $2,043,787
                                                                  ----------
                                                                  ----------
</TABLE>

      The Company has revolving credit lines at banks for both 
      subsidiaries.  The CDI line is due January 31, 1997 and is based
      on a formula of current assets not to exceed $1,000,000.  Interest
      is computed at bank prime plus 1/2% and is payable quarterly.  The
      MVSI line is due on January 7, 1997 and is based on a formula of
      current assets, not to exceed $500,000.  Interest is computed at
      bank prime plus 3/4% and is payable monthly. At December 31, 1995,
      the Company has no outstanding borrowings against its revolving
      credit lines and has $1,455,794 of available borrowings. 


      Annual maturities of principal on notes at December 31, 1995 are
      as follows:

                      Year Ending December 31,
<TABLE>
                         <S>            <C>
                         1996     $  714,453
                         1997        704,075
                         1998        673,032
                         1999        666,680
                                  ----------
                                  $2,758,240
                                  ----------
                                  ----------
</TABLE>

    The term note and revolving notes are collateralized by
      substantially all of the respective subsidiary assets.  No cross
      pledge of assets exists, nor do parent company or subsidiary
      guarantees exist. The terms of the loan agreements require the
      Company to maintain certain minimum levels of working capital,
      tangible net worth, and debt coverage ratios and prohibit the
      payment of dividends, and restrict certain levels of capital
      expenditures, asset acquisitions, dispositions, etc.


                                      F-13

<PAGE>

6.    RELATED PARTY TRANSACTIONS

      On January 6, 1992 MVSI negotiated a note with Catalyst Capital
      Partners I, Ltd. ("CCPI"), a substantial shareholder.    MVSI paid
      interest to CCPI in the amount of $13,750 and $44,556 for the
      years ended December 31, 1995 and 1994, respectively.  The note
      was retired July of 1995.
      
      In January of 1992 MVSI entered into a agreement with an officer
      and CESI shareholder for the lease of real property located in
      Jennings, Louisiana.  The lease is for a primary term of five
      years with two renewal options for  additional five year periods. 
      On November 14, 1994 this lease agreement was amended due to
      material additions made to the leased facilities (see Note 13). 
      The current lease payment is $5,000 per month.  Lease payments for
      any additional term will be negotiated by the parties prior to the
      expiration of the existing term.  Management of CESI believes the
      lease terms are "arms length".
      
      Effective January 1992, MVSI entered into separate five year
      employment agreements with three of its officers.  As part of the
      agreement, MVSI has agreed to pay an annual performance bonus
      equal to  30% of annual MVSI adjusted earnings before interest and
      taxes in excess of  $500,000.  The bonus is not to exceed an
      aggregate of $800,000 during the term of the agreements.  In
      addition, the officers have agreed not to compete with the Company
      for the three years subsequent to the expiration of the agreement. 
      For the years ended December 31, 1995 and 1994 the Company has
      paid $240,576, and $172,525, respectively, related to the bonus
      agreement.  At December 31, 1995, the maximum unearned amount
      available pursuant to the original performance bonus for all three
      officers is approximately $147,000.

      Effective January 1992, CDI entered into separate five year
      employment agreements with three of its officers.  One officer has
      subsequently left the employment of CDI.  As part of the
      agreement, CDI agreed to pay an annual performance bonus equal to
      10% (reduced to 7.5% from the departure of one officer in 1995) of
      CDI adjusted earnings before interest and current taxes, provided
      that adjusted earnings exceed $325,000 per year.  The Company has
      paid $48,111 and $110,439 for the years ended December 31, 1995
      and 1994 respectively, for all three officers.  In addition, the
      officers have agreed not to compete with the CDI for one year
      subsequent to the expiration of the agreement.

      In December, 1995 the Company negotiated three separate promissory
      notes with each of the three original CDI's officers totalling
      $34,800. The notes from the officers bear interest at 6% per annum
      payable annually commencing December 15, 1996.  The notes mature
      on December 15, 2001 and are secured by 770,833 shares of the
      Company's common stock, owned by the three officers.

      Catalyst Compressor, Inc. ("CCI") an affiliate of The Catalyst
      Group, Inc., charged the Company fees for certain general,
      administrative, and management services totaling $102,000 and
      $108,000 in 1995 and 1994, respectively.

      The Company was a 50% partner in a joint venture from which the
      Company derived $366,935 and $476,343 of rental revenues in both
      1995 and 1994 respectively.  At December 31, 1994, the Company had
      receivables from the joint venture of $116,663.  The Company
      acquired it's 50% joint venture partner's interest in 1995  for
      $155,000, effectively dissolving the joint venture.  The
      acquisition was accounted for under the purchase method of
      accounting.


                                      F-14

<PAGE>

7.    MAJOR CUSTOMERS AND CONCENTRATIONS OF CREDIT RISK

      MVSI's customers include international and domestic drilling
      contractors, rental tool and supply companies and oil and gas
      operators. The majority of MVSI's work is performed for offshore
      rig fleets.  MVSI's 10 largest customers generated approximately
      83% and 71% of its revenues for the  years ended December 31, 1995
      and 1994 respectively.  The largest customer represented 18% and
      14% of total revenues for the years ended December 31, 1995 and
      1994, respectively. CDI's customers include domestic independent
      oil and gas producers operating in the Southwestern United States.
      CDI's 10 largest customer generated approximately 44% and 40% of
      its revenues for the years ended December 31, 1995 and 1994,
      respectively. The largest customer represented 17% and 16% of
      total revenues for the years ended December 31, 1995 and 1994,
      respectively. The Company's three largest customers represented
      38% of the outstanding accounts receivable at December 31, 1995. 
      The Company conducts ongoing evaluations of major customers to
      limit its credit risk and  has not historically incurred any
      significant credit losses.

      The Company maintains deposits in banks which may exceed the amount
      of federal deposit insurance available.  Management periodically
      assesses the financial condition of the institutions and believes
      that any possible deposit loss is minimal.

8.    FAIR VALUE OF FINANCIAL INSTRUMENTS

      The Company's financial instruments consist of trade receivables
      and liabilities, notes receivable due from officers and various
      notes payable to banks.  The Company believes the carrying value
      of these financial instruments approximate their estimated fair
      value.


9.    PROFIT SHARING PLAN

      The Company has defined contribution 401(k) plans covering
      substantially all of its employees.  Employees are eligible for
      participation in the plans at semi-annual dates immediately
      following one year of service.  Employee contributions are vested 
      immediately and employer contributions are vested over a period of
      five years.  The Company, at its discretion, matches up to 50% of
      a participant's salary deferred up to a maximum of 6% of a
      participant's compensation at CDI. The amount matched is a totally
      discretionary contribution at MVSI.  Total plan expense in the
      form of Company contributions for the years ended December 31,
      1995 and 1994 respectively was $62,916 and $62,540.  

10.   STOCKHOLDERS' EQUITY

      On  November 11, 1994 the Company effected a reverse split of its
      Common Stock at a ratio of 1 to 25 shares of outstanding common
      stock. Each holder of common stock is entitled to one vote for
      every share held.

      At December 31, 1994 the Company had 32,900 warrants outstanding
      with an exercise price of $4.50 per share.  The warrants were
      fully vested and were exercisable but expired on  December 31,
      1995.


                                      F-15

<PAGE>


      On June 30, 1995, the number of shares issued in the MVS Exchange
      were "adjusted", for a final time under the terms of the Exchange
      Agreement, based upon the final determination of the realized
      value of the assets of SSCG.  As a result of the adjustments made
      at December 31, 1994 and June 30, 1995, an additional 223,432
      shares of common stock (reflecting the reverse split) were issued
      to the former MVS partners, giving the former MVS partners a total
      of 4,929,964 shares of common stock (reflecting the reverse
      split), or some 95.1% of the Company, before giving effect to the
      CDI merger, as described in the next paragraph.

      On June 15, 1995, the Company issued 7,774,334 shares of its
      common stock and 319,174 shares of newly authorized Series A
      Preferred Stock, $.01 par value, to the partners of CDL in
      exchange  for all of such partners' interests in CDL, which
      represented 100% of CDL's partnership interests. 

      The shares of Series A Preferred Stock have no stated dividend and
      are non-voting.  The Company may at any time redeem all or any
      portion of the Series A Preferred Stock, although it is not
      obligated, at a price of $1.00 per share.  Each share has
      liquidation preference in the amount of $1.00 per share before
      payments shall be made to holders of any other class of the
      Company's capital stock.  Each share of Series A Preferred Stock
      is convertible, at the option of the holder, only at the time that
      the Company sells shares of its common stock in an underwritten
      offering, into that number of shares of common stock determined by
      dividing $1.00 by the net price per share received by the Company
      in the underwritten offering.  The Company may issue additional
      shares of preferred stock in whatever series and with whatever
      rights and privileges as determined by the Board of Directors.  



11.   INCOME TAXES

      Effective August 31, 1994, the date the Company became a taxable
      entity, the Company adopted the liability method of accounting for
      income taxes required by SFAS  No. 109.

      The reconciliation of income tax computed at the federal statutory
      tax rates to income tax expense for the years ended December 31,
      is as follows:

<TABLE>
<CAPTION>
                                                             1995                   1994
                                                     -------------------    -------------------
                                                      AMOUNT     PERCENT      AMOUNT    PERCENT
                                                     --------    -------    ---------   -------
          <S>                                          <C>         <C>         <C>        <C>
      Income tax at graduated statutory rate         $353,868     34.00%    $ 492,455    34.00%
      State income tax expense                         32,088      3.08        11,285      .78
      Partnership income not subject to 
        corporate taxes                               (24,305)    (2.33)     (411,624)  (28.42)
      Effect of change in tax status                  258,447     24.83        33,745     2.32
      Pre-acquisition CESI activity and other            (728)     (.08)       (4,079)    (.28)
                                                     --------     -----      --------   ------
      Income tax expense                             $619,370     59.50%     $121,782     8.40%
                                                     --------     -----      --------   ------
                                                     --------     -----      --------   ------
</TABLE>

      The predecessor partnership tax bases in their assets and
      liabilities was assumed by the Company as of August 31, 1994 for
      MVSI and June 15, 1995 for CDI.  A deferred income tax liability
      of $33,745 was established at August 31, 1994 and $258,447 at June
      15, 1995, to provide for the effect of future temporary
      differences between tax and financial reporting bases of certain
      assets and liabilities of these two entities as of the dates
      indicated.


                                      F-16

<PAGE>

      The significant components of the provision for income taxes for
      the years ended December 31, 1995 were as follows:

<TABLE>
<CAPTION>
                                               1995                1994
                                             --------            --------
         <S>                                  <C>                 <C>
     Current federal tax expense             $282,343            $ 68,729
     Current state tax expense                 48,618              16,497
     Deferred tax expense                     288,409              36,556
                                             --------            --------
                                             $619,370            $121,782
                                             --------            --------
                                             --------            --------
</TABLE>

      Significant components of the Company's deferred tax liabilities
      and assets as of December 31, are as follows:

<TABLE>
<CAPTION>
                                                                1995
                                                            -----------
             <S>                                              <C>
      Deferred tax assets
          Net operating loss carryforwards                  $   884,144
          Capital loss carryforwards                            193,929
          Other                                                   9,346
                                                            -----------
      Total deferred tax assets                               1,087,419
      Valuation Allowance                                    (1,078,073)
                                                            -----------
      Deferred tax assets (net of allowance)                      9,346
      Deferred tax liabilities
          Tax depreciation greater than book                    334,311
                                                            -----------
      Total deferred tax liabilities                            334,311
                                                            -----------

      Net deferred tax liability                            $   324,965
                                                            -----------
                                                            -----------
</TABLE>

     At December 31, 1995,  the Company had net operating loss
     carryforwards of approximately $2.33 million for income tax
     purposes that will expire from 2003 through 2007 and capital loss
     carryforwards of approximately $500,000 that will expire from 1998
     through 1999.  As a result of the change in ownership of the
     Company on August 31, 1994, the ultimate utilization of the
     Company's net operating losses and capital losses are limited.
     
     For financial reporting purposes, a valuation allowance of $1.078
     million has been recognized to entirely offset the deferred tax
     assets related to those loss carryforwards.  

     The deferred tax valuation allowance decreased from $1.095 million
     at December 31, 1994 to $1.078 million at December 31, 1995.  The
     decrease is related to utilization of preacquisition losses
     realized in 1994.

12.  SEGMENT REPORTING

<TABLE>
<CAPTION>
                                            REVENUES                  OPERATING EARNINGS           IDENTIFIABLE ASSETS
                                     YEAR ENDED DECEMBER 31,        YEAR ENDED DECEMBER 31,             DECEMBER 31,
                                       1995            1994           1995          1994          1995           1994
                                   -----------     -----------     ----------    ----------    ----------     ----------
<S>                                  <C>              <C>             <C>            <C>          <C>            <C>
Petroleum Equipment                $ 5,860,346     $ 4,877,826     $1,023,308    $  881,511    $2,162,194     $2,251,737
Compression Equipment                5,448,345       6,021,320        363,076       940,989     6,048,966      6,862,442
                                   -----------     -----------     ----------    ----------    ----------     ----------
            Total                  $11,308,691     $10,899,146      1,386,384     1,822,500     8,211,160      9,114,179
                                   -----------     -----------     ----------    ----------
                                   -----------     -----------     ----------    ----------
Interest expense                                                      272,492       359,884
General corporate                                                      73,104        14,219       194,596        137,688
                                                                   ----------    ----------
Consolidated income before
   income taxes                                                    $1,040,788    $1,448,397
                                                                   ----------    ----------
                                                                   ----------    ----------
                                                                                               ----------     ----------
Total assets                                                                                   $8,405,756     $9,251,687
                                                                                               ----------     ----------
                                                                                               ----------     ----------
</TABLE>


                                      F-17

<PAGE>

<TABLE>
<CAPTION>
                                                                  YEAR ENDED DECEMBER 31,
                                                                   1995             1994
                                                                 --------        -------
<S>                                                               <C>              <C>
Depreciation and Amortization net of amounts included
in cost of service and rentals:
   Petroleum Drilling Equipment                                  $ 27,204        $ 51,585
   Compression Equipment                                          819,892         749,725
                                                                 --------        --------
       Total                                                     $847,096        $801,310
                                                                 --------        --------
                                                                 --------        --------
Capital Expenditures:
   Petroleum Drilling Equipment                                  $ 80,862        $301,529
   Compression Equipment                                          413,008         370,550
                                                                 --------        --------
       Total                                                     $493,870        $672,079
                                                                 --------        --------
                                                                 --------        --------
</TABLE>

CESI operations are organized into two segments: Petroleum Equipment and 
Compression Equipment.  The Petroleum Equipment segment presently repairs, 
remanufactures, and services valves, chokes and control systems,  primarily 
for oil and gas drilling, activities.  The Compression Equipment segment 
presently rents, services and sells natural gas compressors used in the 
production, transmission, storage and processing of natural gas and oil 
wells. 

13.   COMMITMENTS AND CONTINGENCIES

      The Company has operating lease commitments for its primary office
      and service facility, storage yards, and miscellaneous equipment. 
      On April 30, 1993, the Company signed a five-year renewal of its
      lease for CDI's primary office and service facility.  The lease
      provides for the Company to pay real estate taxes and certain
      other occupancy expenses.  In January 1992, MVSI (formerly MVS)
      entered into a five-year lease for its main facility owned by the
      President of MVSI Total rental expense for the periods ended
      December 31, 1995 and 1994 was approximately $193,700 and $186,000
      respectively.

      Future minimum rental payments required under operating leases that
      have initial or remaining noncancelable lease terms in excess of
      one year are as follows:

<TABLE>
<CAPTION>
                 Year ending December 31
                           <S>                    <C>
                           1996                $173,349
                           1997                 103,749
                           1998                  39,103
                                               --------
                                               $316,201
                                               --------
                                               --------
</TABLE>

      In the normal course of business, the Company becomes a party to
      legal proceedings and claims, primarily as a plaintiff relative to
      collecting disputed or delinquent accounts receivables for
      products or services.  In the opinion of management, the outcome
      of these matters will not have a material adverse effect on the
      financial position of the Company.


14.   PRO FORMA PROVISION FOR INCOME TAXES (UNAUDITED)

      The Company's partnership status was terminated when the business
      combinations discussed herein (see Note 2) were effected.  To
      reflect the earnings of the Company on an after-tax basis, an
      unaudited pro forma provision for income tax has been included in
      the accompanying statements of income.  This provision was
      computed as if the Company were a C corporation (taxable entity)
      for all years presented.


                                      F-18



<PAGE>

                     INDEX TO EXHIBITS

Exhibit                                                      Sequential
Number                   Description                        Page Number
- ------                   -----------                        -----------
 **2.1       Amended and Restated Exchange Agreement March 
             31, 1994 (Exhibit 2(a) to Form 8-K).

 **2.2       Amendment to Amended and Restated Exchange
             Agreement, effective June 23, 1994 (Exhibit 2(b) to 
             Form 8-K).

  *2.3       Exchange Agreement, June 15, 1995 (Exhibit 2.1 to 
             Form 8-K).

 **3.2       Certificate to Amendment to the Certificate to 
             Incorporation,effective August 18, 1994.

 **3.3       Certificate to Amendment to the Certificate to
             Incorporation, effective November 1, 1994

 **3.4       Bylaws

 **4.1       Specimen of Common Stock Certificate of Catalyst
             Energy Services, Inc.

**10.1       Lease Agreement as amended dated January 27, 1994,
             between Andrew Cormier and Manifold Valve Service, Ltd

**10.2       Employment Agreement between Andrew Cormier and 
             Manifold Valve Services, Inc.

**10.3       Employment Agreement between Harry Ardoin, Jr. and
             Manifold Valve Services, Inc.

**10.4       Employment Agreement between Gary Cryer and 
             Manifold Valve Services, Inc.

  10.5       Loan Agreement and First Amendment to Loan Agreement
             between Compressor Dynamics, Inc. and First Interstate
             Bank of Texas dated  December 1, 1995.

  10.6       Loan Agreement between Manifold Valve Services, Inc. and
             First Interstate Bank of Texas dated September 1, 1995

  10.7       Employment Agreement between Gary Farr and Compressor
             Dynamics, Inc.

    21.1     Subsidiaries of Registrant.

    27       Financial Data Schedules 
 

<PAGE>


                          FIRST AMENDMENT TO LOAN AGREEMENT


    THIS FIRST AMENDMENT TO LOAN AGREEMENT (this "Amendment"), dated as of
December 1, 1995, is between COMPRESSOR DYNAMICS, INC., a Delaware corporation
("Borrower") and FIRST INTERSTATE BANK OF TEXAS, N.A. ("Lender").


                                      RECITALS:

    A. Borrower and Lender entered into that certain Letter Loan Agreement dated
as of September 18, 1995 (the "Agreement").

    B. Borrower and Lender now desire to amend the Agreement as herein set 
forth.

    NOW, THEREFORE, in consideration of the premises herein contained and other
good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

                                      ARTICLE I

                                     Definitions

    Section 1.01.  DEFINITIONS.  Capitalized terms used in this Amendment, to
the extent not otherwise defined herein, shall have the meanings given to such
terms in the Agreement, as amended hereby.

                                      ARTICLE II

                                      Amendments

    Section 2.01.  AMENDMENT TO SECTION 5.01(j).  Effective as of the date
hereof, the first sentence of Section 5.01(j) of the Agreement is amended to
read in its entirety as follows:

         (j)  Borrower shall maintain a Total Fixed Charge Coverage Ratio of at
         least 1.15 to 1.00 at all times from and after the date hereof.


                                     ARTICLE III

                                 Conditions Precedent

    Section 3.01.  CONDITIONS.  The effectiveness of this Amendment is subject
to the receipt by Lender of the following in form and substance satisfactory to
Lender:


<PAGE>

         (a)  RESOLUTIONS.  Resolutions of the Board of Directors of Borrower
    certified by its Secretary or an Assistant Secretary which authorize the
    execution, delivery and performance by Borrower of this Amendment and the
    other Loan Documents to which Borrower is or is to be a party hereunder.

         (b)  INCUMBENCY CERTIFICATE.  A certificate of incumbency certified by
    the Secretary or an Assistant Secretary of Borrower certifying the names
    and signatures of the officers of Borrower authorized to sign this
    Amendment and each of the other Loan Documents to which Borrower is or is
    to be a party hereunder.

         (c)  CERTIFICATES OF EXISTENCE AND GOOD STANDING. Certificates of the
    appropriate governmental officials regarding the existence and good
    standing of Borrower in the state of Delaware and as a foreign corporation
    in the state of Texas.

         (d)  MASTER REVOLVING LINE OF CREDIT NOTE.  The Master Revolving Line
    of Credit Note executed by Borrower.

         (e)  ADDITIONAL INFORMATION.  Such additional documents, instruments
    and information as Lender may request.

    Section 3.02.  ADDITIONAL CONDITIONS.  The effectiveness of this Amendment
is also subject to the satisfaction of the additional conditions precedent that
(a) the representations and warranties contained herein and in all other
documents executed in connection with the Agreement and the Notes (the "Loan
Documents"), as amended hereby, shall be true and correct as of the date hereof
as if made on the date hereof, (b) all proceedings, corporate or otherwise,
taken in connection with the transactions contemplated by this Amendment and all
documents, instruments and other legal matters incident thereto shall be
satisfactory to Lender, and (c) no Event of Default shall have occurred and be
continuing and no event or condition shall have occurred that with the giving of
notice or lapse of time or both would be an Event of Default.


                                      ARTICLE IV

                    Ratifications, Representations, and Warranties

    Section 4.01.  RATIFICATIONS.  The terms and provisions set forth in this
Amendment shall modify and supersede all inconsistent terms and provisions set
forth in the Agreement and except as expressly modified and superseded by this
Amendment, the terms and provisions of the Agreement are ratified and confirmed
and shall continue in full force and effect.  Borrower and Lender agree that the
Agreement as amended hereby shall continue to be the legal,


                                         -2-
<PAGE>

valid and binding obligation of such Persons enforceable against such Persons in
accordance with its terms.

    Section 4.02.  REPRESENTATIONS, WARRANTIES AND AGREEMENTS.  Borrower hereby
represents and warrants to Lender that (a) the execution, delivery, and
performance of this Amendment and any and all other Loan Documents executed or
delivered in connection herewith have been authorized by all requisite corporate
action on the part of Borrower and will not violate the articles of
incorporation or bylaws of Borrower, (b) the representations and warranties
contained in the Agreement as amended hereby, and all other Loan Documents are
true and correct on and as of the date hereof as though made on and as of the
date hereof, (c) no Event of Default has occurred and is continuing and no event
or condition has occurred that with the giving of notice or lapse of time or
both would be an Event of Default, (d) Borrower is in full compliance with all
covenants and agreements contained in the Agreement as amended hereby, (e)
Borrower is indebted to Lender pursuant to the terms of the Notes, as the same
may have been renewed, modified, extended and rearranged, including, without
limitation, renewals, modifications and extensions made pursuant to this
Amendment, (f) the liens, security interests, encumbrances and assignments
created and evidenced by the Loan Documents are, respectively, valid and
subsisting liens, security interests, encumbrances and assignments and secure
the Notes as the same may have been renewed, modified or rearranged, including,
without limitation, renewals, modifications and extensions made pursuant to this
Amendment, and (g) Borrower has no claims, credits, offsets, defenses or
counterclaims arising from the Loan Documents or Lender's performance under the
Loan Documents.


                                      ARTICLE V

                                    Miscellaneous

    Section 5.01.  SURVIVAL OF REPRESENTATIONS AND WARRANTIES.  All
representations and warranties made in this Amendment or any other Loan
Documents including any Loan Document furnished in connection with this
Amendment shall fully survive the execution and delivery of this Amendment and
the other Loan Documents, and no investigation by Lender or any closing shall
affect the representations and warranties or the right of Lender to rely on
them.

    Section 5.02.  REFERENCE TO AGREEMENT.  Each of the Loan Documents,
including the Agreement and any and all other agreements, documents, or
instruments now or hereafter executed and delivered pursuant to the terms hereof
or pursuant to the terms of the Agreement, as amended hereby, are hereby amended
so that any reference in such Loan Documents to the Agreement shall mean a
reference to the Agreement, as amended hereby.


                                         -3-
<PAGE>

    Section 5.03.  EXPENSES OF LENDER.  As provided in the Agreement, Borrower
agrees to pay on demand all reasonable costs and expenses incurred by Lender in
connection with the preparation, negotiation and execution of this Amendment and
the other documents and instruments executed pursuant hereto and any and all
amendments, modifications and supplements thereto, including, without
limitation, the costs and fees of Lender's legal counsel, and all costs and
expenses incurred by Lender in connection with the enforcement or preservation
of any rights under the Agreement, as amended hereby, or any other Loan
Document, including, without limitation, the costs and fees of Lender's legal
counsel.

    Section 5.04.  SEVERABILITY.  Any provision of this Amendment held by a
court of competent jurisdiction to be invalid or unenforceable shall not impair
or invalidate the remainder of this Amendment and the effect thereof shall be
confined to the provision so held to be invalid or unenforceable.

    Section 5.05.  APPLICABLE LAW.  This Amendment and all other Loan Documents
executed pursuant hereto shall be deemed to have been made and to be performable
in Houston, Harris County, Texas and shall be governed by and construed in
accordance with the laws of the State of Texas.

    Section 5.06.  SUCCESSORS AND ASSIGNS.  This Amendment is binding upon and
shall inure to the benefit of Lender and Borrower and their respective
successors and assigns, except Borrower may not assign or transfer any of its
rights or obligations hereunder without the prior written consent of Lender.

    Section 5.07.  COUNTERPARTS.  This Amendment may be executed in one or more
counterparts, each of which when so executed shall be deemed to be an original,
but all of which when taken together shall constitute one and the same
instrument.

    Section 5.08.  EFFECT OF WAIVER.  No consent or waiver, express or implied,
by Lender to or for any breach of or deviation from any covenant, condition or
duty by Borrower shall be deemed a consent or waiver to or of any other breach
of the same or any other covenant, condition or duty.

    Section 5.09.  HEADINGS.  The headings, captions, and arrangements used in
this Amendment are for convenience only and shall not affect the interpretation
of this Amendment.

    Section 5.10.  ENTIRE AGREEMENT.  THIS AMENDMENT AND ALL OTHER INSTRUMENTS,
DOCUMENTS, AND AGREEMENTS EXECUTED AND DELIVERED IN CONNECTION WITH THIS
AMENDMENT EMBODY THE FINAL, ENTIRE AGREEMENT AMONG THE PARTIES HERETO WITH
RESPECT TO THE SUBJECT MATTER HEREOF AND THEREOF AND SUPERSEDE ANY AND ALL PRIOR
COMMITMENTS, AGREEMENTS, REPRESENTATIONS AND UNDERSTANDINGS, WHETHER WRITTEN OR
ORAL, RELATING TO THIS AMENDMENT AND THE OTHER INSTRUMENTS,


                                         -4-
<PAGE>

DOCUMENTS AND AGREEMENTS EXECUTED AND DELIVERED IN CONNECTION WITH THIS
AMENDMENT, AND MAY NOT BE CONTRADICTED OR VARIED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS OR DISCUSSIONS OF THE PARTIES
HERETO.  THERE ARE NO ORAL AGREEMENTS AMONG THE PARTIES HERETO.

    Section 5.11.  AGREEMENT FOR BINDING ARBITRATION.  Borrower and Lender
agree to be bound by the terms and provisions of Lender's current Arbitration
Program, which is acknowledged as having been received by Borrower and which is
incorporated by reference herein, pursuant to which any and all disputes
regarding the subject matter hereof or of any Loan Documents shall be resolved
by mandatory binding arbitration upon the request of Borrower or Lender.

    Executed as of the date first written above.

                             BORROWER:

                             COMPRESSOR DYNAMICS, INC.


                             By: /s/ Gary Farr
                                --------------------------------
                                  Gary Farr
                                  President


                             LENDER:

                             FIRST INTERSTATE BANK OF TEXAS, N.A.


                             By:
                                ---------------------------------
                                  Randy Wade
                                  Banking Officer


                                         -5-

<PAGE>

                              COMPRESSOR DYNAMICS, INC.
                               CERTIFICATE OF SECRETARY

    I, Stephen F. Gillioz, hereby certify that I am the duly elected,
qualified, and acting Secretary of Compressor Dynamics, Inc., a Delaware
corporation (the "Corporation"), and that I am authorized to execute and deliver
this certificate, and I do hereby further certify as follows:

    1.   RESOLUTIONS.  The following resolutions have been duly adopted at a
meeting (duly convened where a quorum of directors was present) of, or by the
unanimous written consent of, the Board of Directors of the Corporation, and
such resolutions have not been amended or revoked, and are now in full force and
effect:

         "RESOLVED, that the form and content of that certain First
    Amendment to Loan Agreement (the "Amendment") to be entered into by
    the Corporation and First Interstate Bank of Texas, N.A. ("Lender") in
    the form of drafts exhibited to each director, with such changes as
    are hereinafter authorized, and the transactions contemplated therein,
    including the extension of the indebtedness of the Corporation to
    Lender created pursuant to that certain Letter Loan Agreement, dated
    September 18, 1995, between the Corporation and the Lender, and the
    execution and delivery by the Corporation of a promissory note in the
    principal amount of $1,000,000.00 (the "Note") to the Lender, are
    hereby approved; and further

         "RESOLVED, that the form and content of all documents executed in
    connection with the Amendment and the Note (collectively, "Loan
    Documents"), as exhibited to each director and with such changes as
    are hereinafter authorized, are hereby approved; and further

         "RESOLVED, that the President or any Vice President of the
    Corporation is hereby authorized, on behalf of the Corporation, to
    execute the Amendment, the Note and the Loan Documents and deliver the
    same to Lender in substantially the form approved by these
    resolutions, with such amendments or changes thereto as the officer so
    acting may approve, such approval to be conclusively evidenced by his
    execution and delivery of the same; and further

         "RESOLVED, that the President or any Vice President of the
    Corporation is hereby authorized, on behalf of the Corporation, to
    execute such other instruments and documents, and to take such other
    actions as the officer so acting deems necessary or desirable to
    effectuate the transactions contemplated by these resolutions; and
    further


<PAGE>

         "RESOLVED, that the Secretary or any Assistant Secretary of the
    Corporation is hereby authorized, on behalf of the Corporation, to
    certify and attest any documents which he may deem necessary or
    appropriate to consummate the transactions contemplated by these
    resolutions; provided that such attestation shall not be required for
    the validity of any such documents; and further

         "RESOLVED, that any and all actions taken by any of the officers
    or representatives of the Corporation, for and on behalf and in the
    name of the Corporation, with Lender prior to the adoption of these
    resolutions, including, without limitation, the negotiation of the
    Agreement and the Loan Documents, are hereby ratified, confirmed, are
    approved in all respects for all purposes."

    2.   INCUMBENCY.  The following named persons are duly elected or
appointed, acting, and qualified officers of the Corporation holding at the date
hereof the offices set forth opposite their respective names, and the signatures
appearing opposite their respective names are their genuine signatures:

    NAME                   TITLE                 SPECIMEN SIGNATURE
    ----                   -----                 ------------------

Gary Farr                  President        /s/ Gary Farr
                                            ---------------------------

Stephen F. Gillioz         Secretary        /s/ Stephen F. Gillioz
                                            ---------------------------

     3.  BY-LAWS.  The By-Laws of the Corporation have not been amended (except
as reflected in any attachments hereto) or revoked since September 18, 1995, and
are now in full force and effect.

     4.  ARTICLES OF INCORPORATION.  The Articles of Incorporation of the
Corporation have not been amended (except as reflected in any attachments
hereto) or revoked since September 18, 1995, and are now in full force and
effect.

    IN WITNESS WHEREOF, I have duly executed this certificate as of the
18 day of January, 1996.



                             /s/ Stephen F. Gillioz
                             -----------------------------------
                             Secretary


                                         -2-

<PAGE>

    I, Gary Farr, President of the Corporation, do hereby certify that Stephen
F. Gillioz is the duly elected and qualified Secretary of the Corporation and
the signature appearing opposite his name is his genuine signature.

    DATED:   As of January  18  1996.
                              /s/ Gary Farr
                              -----------------------------------
                              President


                                         -3-

<PAGE>



                         MASTER REVOLVING LINE OF CREDIT NOTE


$1,000,000.00                       Houston, Texas             December 1, 1995


    FOR VALUE RECEIVED, the undersigned, COMPRESSOR DYNAMICS, INC., a Delaware
corporation ("Maker"), hereby promises to pay to the order of FIRST INTERSTATE
BANK OF TEXAS, N.A., a national banking association ("Payee"), at its offices at
1000 Louisiana, Houston, Harris County, Texas, in lawful money of the United
States of America, the principal sum of ONE MILLION AND NO/100 DOLLARS
($1,000,000.00), or so much thereof as may be advanced and outstanding
hereunder, together with interest on the outstanding principal balance from day
to day remaining, at a varying rate per annum which shall from day to day be
equal to the lesser of (a) the Maximum Rate (hereinafter defined) or (b) the
Prime Rate (hereinafter defined) of Payee in effect from day to day plus one
half of one percent (.50%), and each change in the rate of interest charged
hereunder shall become effective, without notice to Maker, on the effective date
of each change in the Prime Rate or the Maximum Rate, as the case may be;
provided, however, if at any time the rate of interest specified in clause (b)
preceding shall exceed the Maximum Rate, thereby causing the interest rate
hereon to be limited to the Maximum Rate, then any subsequent reduction in the
Prime Rate shall not reduce the rate of interest hereon below the Maximum Rate
until the total amount of interest accrued hereon equals the amount of interest
which would have accrued hereon if the rate specified in clause (b) preceding
had at all times been in effect.

    Principal of and interest on this Note shall be due and payable as follows:

         (a)  Accrued and unpaid interest on this Note shall be payable
    quarterly, on each March 1, June 1, September 1 and December 1, commencing
    on March 1, 1996, and upon the maturity of this Note, however such maturity
    may be brought about; and

         (b)  All outstanding principal of this Note and all accrued interest
    thereon shall be due and payable on January 31, 1997.

    Interest on the indebtedness evidenced by this Note shall be computed on
the basis of a year of 360 days and the actual number of days elapsed (including
the first day but excluding the last day) unless such calculation would result
in a usurious rate in which case interest shall be calculated on the basis of a
year of 365 or 366 days, as the case may be.  All past due principal and
interest shall bear interest at the Default Rate (hereinafter defined).


                                         -1-

<PAGE>

    As used in this Note, the following terms shall have the respective
meanings indicated below:

         "AGREEMENT" means that certain Letter Loan Agreement dated as of
    September 18, 1995 between Maker and Payee, as amended by First Amendment
    to Loan Agreement dated as of December 1, 1995, and as the same may be
    further amended or modified from time to time.

         "DEFAULT RATE" means the lesser of (a) the sum of the Prime Rate plus
    three percent (3.0%) or (b) the Maximum Rate.

         "MAXIMUM RATE" means the maximum rate of nonusurious interest
    permitted from day to day by applicable law, including as to Article 5069-
    1.04, Vernon's Texas Civil Statutes (and as the same may be incorporated by
    reference in other Texas statutes), but otherwise without limitation, that
    rate based upon the "indicated rate ceiling" and calculated after taking
    into account any and all relevant fees, payments, and other charges in
    respect of this Note which are deemed to be interest under applicable law.

         "PRIME RATE" shall mean that variable rate of interest per annum
    established by Payee from time to time as its prime rate which shall vary
    from time to time.  Such rate is set by Payee as a general reference rate
    of interest, taking into account such factors as Payee may deem
    appropriate, it being understood that many of Payee's commercial or other
    loans are priced in relation to such rate, that it is not necessarily the
    lowest or best rate charged to any customer and that Payee may make various
    commercial or other loans at rates of interest having no relationship to
    such rate.

    This Note (a) is the Master Revolving Line of Credit Note provided for in
the Agreement and (b) is secured as provided in the Agreement.  Maker may prepay
the principal of this Note upon the terms and conditions specified in the
Agreement.  Maker may borrow, repay, and reborrow hereunder upon the terms and
conditions specified in the Agreement.

    Notwithstanding anything to the contrary contained herein, no provisions of
this Note shall require the payment or permit the collection of interest in
excess of the Maximum Rate.  If any excess of interest in such respect is herein
provided for, or shall be adjudicated to be so provided, in this Note or
otherwise in connection with this loan transaction, the provisions of this
paragraph shall govern and prevail, and neither Maker nor the sureties,
guarantors, successors or assigns of Maker shall be obligated to pay the excess
amount of such interest, or any other excess sum paid for the use, forbearance
or detention of sums loaned pursuant hereto.  If for any reason interest in
excess of the Maximum Rate shall be deemed charged, required or permitted by


                                         -2-

<PAGE>

any court of competent jurisdiction, any such excess shall be applied as a 
payment and reduction of the principal of indebtedness evidenced by this Note;
and, if the principal amount hereof has been paid in full, any remaining excess 
shall forthwith be paid to Maker.  In determining whether or not the interest 
paid or payable exceeds the Maximum Rate, Maker and Payee shall, to the extent 
permitted by applicable law, (a) characterize any non-principal payment as an 
expense, fee, or premium rather than as interest, (b) exclude voluntary 
prepayments and the effects thereof, and (c) amortize, prorate, allocate, and 
spread in equal or unequal parts the total amount of interest throughout the 
entire contemplated term of the indebtedness evidenced by this Note so that 
the interest for the entire term does not exceed the Maximum Rate.

    If default occurs in the payment of principal or interest under this Note
when due, or upon the occurrence of any other Event of Default, as such term is
defined in the Agreement, the holder hereof may, at its option, (a) declare the
entire unpaid principal of and accrued interest on this Note immediately due and
payable without notice, demand or presentment, all of which are hereby waived,
and upon such declaration, the same shall become and shall be immediately due
and payable, (b) foreclose or otherwise enforce all liens or security interests
securing payment hereof, or any part hereof, (c) offset against this Note any
sum or sums owed by the holder hereof to Maker and (d) take any and all other
actions available to Payee under this Note, the Agreement, the Loan Documents
(as such term is defined in the Agreement) at law, in equity or otherwise.
Failure of the holder hereof to exercise any of the foregoing options shall not
constitute a waiver of the right to exercise the same upon the occurrence of a
subsequent Event of Default.

    If the holder hereof expends any effort in any attempt to enforce payment
of all or any part or installment of any sum due the holder hereunder, or if
this Note is placed in the hands of an attorney for collection, or if it is
collected through any legal proceedings, Maker agrees to pay all costs,
expenses, and fees incurred by the holder, including all reasonable attorneys'
fees.

    THIS NOTE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF
THE STATE OF TEXAS AND THE APPLICABLE LAWS OF THE UNITED STATES OF AMERICA. THIS
NOTE IS PERFORMABLE IN HARRIS COUNTY, TEXAS.

    Maker and each surety, guarantor, endorser, and other party ever liable for
payment of any sums of money payable on this Note jointly and severally waive
notice, presentment, demand for payment, protest, notice of protest and non-
payment or dishonor, notice of acceleration, notice of intent to accelerate,
notice of intent to demand, diligence in collecting, grace, and all other
formalities of any kind, and consent to all extensions without notice for any
period or periods of time and partial payments, before or after maturity, and
any impairment of any collateral securing this Note, all without prejudice to 
the holder. The holder


                                         -3-

<PAGE>

shall similarly have the right to deal in any way, at any
time, with one or more of the foregoing parties without notice to any other
party, and to grant any such party any extensions of time for payment of any of
said indebtedness, or to release or substitute part or all of the collateral
securing this Note, or to grant any other indulgences or forbearances
whatsoever, without notice to any other party and without in any way affecting
the personal liability of any party hereunder.

    This Note is in renewal and extension of, but not in novation or discharge
of, that certain promissory note in the original principal amount of
$1,000,000.00, dated September 18, 1995, executed by Maker and payable to the
order of Payee.


                                       COMPRESSOR DYNAMICS, INC.


                                       By:/s/Gary Farr
                                          -------------------------------
                                            Gary Farr
                                            President


                                         -4-

<PAGE>


                          [FIRST INTERSTATE BANK LETTERHEAD]

                                  September 18, 1995


Compressor Dynamics, Inc.
104 Riley Road
Houston, Texas  77047

Re:   $1,000,000.00 Master Revolving Line of Credit Note and $2,833,338.00 Term
      Note of even date herewith executed by COMPRESSOR DYNAMICS, INC., A
      DELAWARE CORPORATION ("Borrower") payable to the order of FIRST
      INTERSTATE BANK OF TEXAS, N.A. ("Bank").

Gentlemen:

      This letter evidences the agreement ("Agreement") by and between
Borrower, whose address for all purposes is as set forth above, and Bank, whose
address for all purposes is 1000 Louisiana, Houston, Texas  77002.


                                      ARTICLE I

                                     DEFINITIONS

      Section 1.01  CERTAIN DEFINITIONS.  In addition to the defined terms set
forth elsewhere herein, the following terms shall mean:

      "ACCOUNT DEBTOR" shall mean the person or entity obligated on any account
      owing to Borrower.

      "AGREEMENT" shall mean this Agreement.

      "BORROWER'S CURRENT ASSETS" shall mean Current Assets less any prepaid
      expenses of Borrower.

      "BUSINESS DAY" shall mean a day on which business is transacted by
      national banks in Houston, Texas.

      "COMMITMENT" shall mean the sum of $1,000,000.00.

<PAGE>

      "CURRENT ASSETS" shall mean all assets of Borrower that would be
      reflected as current assets on a balance sheet of Borrower prepared in
      accordance with generally accepted accounting principles.

      "CURRENT LIABILITIES" shall mean any liabilities of Borrower which would
      be reflected as current liabilities on a balance sheet of Borrower
      prepared in accordance with generally accepted accounting principles.

      "ELIGIBLE ACCOUNTS" shall mean an account which is and shall at all times
      continue to be acceptable to Bank in all respects and in which Bank has a
      first priority, perfected security interest.  In general, except as fixed
      and revised from time to time by Bank in writing, an account which
      continuously meets each of the following requirements is an Eligible
      Account:

             (a)    It is lawfully owned by Borrower and Borrower has the right
             to transfer any interest therein;

             (b)    If it arises from the sale or lease of goods, and the goods
             have been shipped or delivered to the person or entity which is
             obligated on the account;

             (c)    If it arises from the performance of services, such
             services have been fully rendered or are to be rendered pursuant
             to a valid and enforceable Lease Contract;

             (d)    It is a valid obligation of the Account Debtor, enforceable
             in accordance with its terms and is free and clear of all liens,
             security interests, restrictions, set-offs, adverse claims,
             prepayments and the like other than the security interest of Bank;

             (e)    It is evidenced by an invoice rendered to the Account
             Debtor;

             (f)    It has not aged more than ninety (90) days from the due
             date of the invoice of such account;

             (g)    It is not owed by an Account Debtor closely affiliated
             with, related to, a subsidiary of, employed by or an officer of
             Borrower, or domiciled outside of the United States of America,
             unless such foreign account is accepted by Bank in writing; and

             (h)    It is not subject to any retainage, the result of a sale on
             a bill and hold basis, a contra account, a U.S. government or
             agency account or a consignment account.


                                         -2-

<PAGE>

             As to any one Account Debtor, if more than twenty-five (25%)
      percent of the accounts owed by such Account Debtor to Borrower are
      unpaid more than one hundred fifteen (115) days from the date of invoice,
      then none of the accounts of such Account Debtor owing to Borrower shall
      be considered Eligible Accounts.

             In addition, as to any one Account Debtor, if the total of
      accounts owed by such Account Debtor to Borrower exceed ten percent (10%)
      of the Borrower's total accounts, then none of the accounts of such
      Account Debtor in excess of ten per cent (10%) of Borrower's total
      accounts shall be considered as Eligible Accounts; provided, however,
      such ten per cent (10%) limitation shall be increased to twenty per cent
      (20%) for accounts owed by TransAmerican Natural Gas Corp. to Borrower
      such that only the accounts of TransAmerican Natural Gas Corp. in excess
      of twenty per cent (20%) of Borrower's total accounts shall not qualify
      as Eligible Accounts.

      "ELIGIBLE INVENTORY" shall mean parts inventory, supplies and
      miscellaneous goods used in Borrower's business which are and shall at
      all times continue to be acceptable to Bank in all respects and in which
      Bank has a first priority, perfected security interest.  In general,
      except as fixed and revised from time to time by Bank and Borrower in
      writing, parts inventory, supplies and miscellaneous goods used in
      Borrower's business which continuously meet each of the following
      requirements are Eligible Inventory:

             (a)    They are lawfully owned by Borrower and Borrower has the
             right to transfer any interest therein;

             (c)    They are not consignment inventory; and

             (d)    They are free and clear of all liens and security
             interests, other than the security interest of Bank.

      "ERISA" shall mean the Employee Retirement Income Security Act of 1974,
      as amended, and all applicable regulations adopted thereunder by the
      Internal Revenue Service and the Department of Labor.

      "EVENT OF DEFAULT" shall mean any of the Events of Default contained in
      Section 6.01 hereof.

      "INDEBTEDNESS" with respect to Borrower shall mean, at any date, all
      liabilities which would be reflected on a balance sheet of Borrower
      prepared as of such date in accordance with generally accepted accounting
      principles, except for Subordinated Debt.

      "INTANGIBLE ASSETS" shall mean those assets of Borrower which are (i)
      good will, including any amounts (however designated on such balance
      sheet) representing the cost of acquisition of subsidiaries in excess of
      underlying tangible assets, unless an appraisal of such assets made by a
      reputable firm of appraisers at the time of such acquisition


                                         -3-

<PAGE>

      indicates sufficient value to cover such excess, (ii) any amount by which
      investments in persons or entities appearing on the asset side of such
      balance sheet exceed the proportionate share of the person or entity and
      its subsidiaries in the book value of the assets of such persons or
      entities, and (iii) patents, trademarks, copyrights, deferred charges
      (including, but not limited to unamortized discount and expenses,
      organizational expenses, experimental and developmental expenses, but
      excluding prepaid expense), intangibles and other similar assets.

      "LOAN FORMULA CERTIFICATE AND CERTIFICATE OF NO DEFAULT" shall mean the
      certificate in the form of EXHIBIT "A" attached hereto.

      "LOCK BOX" shall mean an arrangement by which Account Debtors are
      instructed by the Borrower to mail payments owing on accounts to Borrower
      to a post office box mailing address designated by the Bank.  Such post
      office box mailing address to be under the sole and exclusive control of
      the Bank.

      "MASTER REVOLVING LINE OF CREDIT NOTE" shall mean the Master Revolving
      Line of Credit Note in the principal amount of $1,000,000.00 delivered
      pursuant to Article II hereof and all extensions, renewals, modifications
      and rearrangements and enlargements thereof.

      "NOTES" shall mean the Master Revolving Line of Credit Note and the Term
      Note.

      "OBLIGATIONS" shall mean the outstanding principal balance and accrued
      unpaid interest owing on the Notes and any and all other indebtedness,
      liabilities and obligations whatsoever of Borrower to Bank under the
      Notes or the Security Instruments or otherwise, whether direct or
      indirect, absolute or contingent, due or to become due, and whether now
      existing or hereafter arising, and howsoever evidenced or acquired,
      whether joint or several, and whether evidenced by note, draft,
      acceptance, guaranty, open account, letter of credit, surety agreement or
      otherwise, it being contemplated by the parties hereto that Borrower may
      become indebted to Bank in further sum or sums.

      "PLAN" shall mean any pension plan that is covered by Title IV of ERISA
      maintained by Borrower, or any plan to which the Borrower is required to
      contribute on behalf of its employees.

      "REVOLVING CREDIT ADVANCE" shall mean an advance to Borrower or
      Borrower's account funded under the Master Revolving Line of Credit Note.

      "REVOLVING LOAN LIMIT" shall mean at any time an amount equal to the sum
      of 80% of Eligible Accounts and 40% of the cost of Eligible Inventory;
      provided, however the inventory component shall not exceed $500,000.00.


                                         -4-

<PAGE>

      "SECURITY INSTRUMENTS" shall mean all documents executed in connection
      with or as security for the Notes and the Obligations, including, without
      limitation, the instruments referred to in Article III hereof.

      "SUBORDINATED DEBT" shall mean any liability of Borrower calculated in
      accordance with generally accepted accounting principles, heretofore or
      hereafter incurred, and which by the express terms of a subordination
      agreement in form and substance reasonably satisfactory to Bank is
      validly and effectively made subordinate to payment of the Notes and the
      Obligations.

      "TANGIBLE ASSETS" shall mean, as of any date, the aggregate book value of
      the assets of Borrower that would be reflected on a balance sheet
      prepared as of such date in accordance with generally accepted accounting
      principles, less the aggregate book value of Intangible Assets at such
      date.

      "TANGIBLE NET WORTH" shall mean, as of any date, the amount by which
      Tangible Assets as of such date exceed the Indebtedness.

      "TERM NOTE" shall mean the Term Note in the principal amount of
      $2,833,338.00 delivered pursuant to Article II hereof and all extensions,
      renewals, modifications and rearrangements and enlargements thereof.


                                      ARTICLE II

                                      THE LOANS

      Section 2.01  REVOLVING LINE OF CREDIT.

      (a)  Bank has approved and extended to Borrower a $1,000,000.00 revolving
      line of credit evidenced by the Master Revolving Line of Credit Note.
      Borrower will utilize such revolving line of credit by making a request
      for Revolving Credit Advances in accordance with Section 2.02 hereof in
      order to provide Borrower with working capital.  Upon the execution of
      this Agreement an initial advance shall be made to payoff the outstanding
      principal balance, if any, owing on the Master Revolving Line of Credit
      Note in the amount of $1,000,000.00 dated October 6, 1993, executed by
      Compressor Dynamics, Ltd. payable to Bank.  Compressor Dynamics, Ltd. was
      a limited partnership that has been purchased by the Borrower.  At any
      time there exists any Event of Default, Bank shall not be obligated to
      make any Revolving Credit Advances under the Master Revolving Line of
      Credit Note.  Subject to such limitations and upon the terms and
      conditions of this Agreement, Bank may lend to Borrower, and Borrower may
      borrow from Bank an aggregate amount at any one time outstanding not to
      exceed $1,000,000.00; provided however, aggregate Revolving Credit
      Advances shall not exceed the Revolving Loan Limit.  During the period
      from the date of this Agreement


                                         -5-

<PAGE>

      to and including the maturity date under the Master Revolving Line of
      Credit Note, Borrower may borrow, repay and reborrow hereunder.  Each
      Revolving Credit Advance shall be evidenced by the Master Revolving Line
      of Credit Note and shall automatically increase the principal balance
      owed on the Master Revolving Line of Credit Note.

      (b)  Subject to the terms hereof and the limitations set forth above,
      Bank agrees to advance up to an aggregate $1,000,000.00 in Revolving
      Credit Advances provided that the use of the Revolving Credit Advances
      are directly associated with the costs and expenses of providing working
      capital to Borrower or other uses approved in writing by Bank prior to
      the making of the Revolving Credit Advance by Bank.

      Section 2.02  MAKING OF ADVANCES.  Each request by Borrower for a
Revolving Credit Advance under this Article II may be made by verbal request by
Borrower, provided that Borrower has submitted the required Loan Formula
Certificates and Certificates of No Default and has otherwise complied with the
terms of this Agreement.  All Revolving Credit Advances when funded shall be
deposited into the account at Bank used by Borrower for operating purposes.

      Section 2.03  REVOLVING CREDIT ADVANCES OVER REVOLVING LOAN LIMIT.  Bank
shall have no obligation to advance and Borrower shall not be entitle to any
Revolving Credit Advance that would cause all of the Revolving Credit Advances
under the Master Revolving Line of Credit Note to exceed the Revolving Loan
Limit.  If, at any time prior to the maturity dated under the Master Revolving
Line of Credit Note, the outstanding Revolving Credit Advances under the Master
Revolving Line of Credit Note exceed the Revolving Loan Limit, Borrower shall
immediately prepay on the Master Revolving Line of Credit Note such amount as
necessary to eliminate such excess.

      Section 2.04  CONDITIONS TO MAKING ADVANCES.  The obligation of Bank to
make Revolving Credit Advances is subject to the following conditions precedent:

      (a)    the Bank's having received and approved a current Loan Formula
      Certificate and Certificate of No Default as required herein;

      (b)    that no Event of Default has occurred and is continuing, and no
      event has occurred and is continuing which with the giving of notice or
      passage of time, or both would be an Event of Default;

      (c)    that no material adverse change has occurred in the business or
      financial condition of Borrower since the date of this Agreement;

      (d)    that no proceeding or case under the United States Bankruptcy Code
      shall have been commenced by or against Borrower; and


                                         -6-

<PAGE>

      (e)    Bank shall have received any other instruments deemed reasonably
      necessary by Bank.

      Section 2.05  TERM LOAN.  Bank has approved and extended to Borrower a
$2,833,338.00 term loan evidenced by the Term Note to be used to refinance
certain debt of Compressor Dynamics, Ltd., evidenced by a Term Note dated
October 6, 1993, in the original principal amount of $4,000,000.00 executed by
Compressor Dynamics, Ltd. payable to Bank.

      Section 2.06  PREPAYMENTS.  The Borrower may, without notice, premium or
penalty, prepay the Notes at any time, in whole or in part, as provided in the
Notes.


                                     ARTICLE III

                                      COLLATERAL

      Section 3.01  SECURITY INSTRUMENTS. As security for the payment of the
Notes and Obligations and performance of Borrower's obligations under this
Agreement, Borrower has delivered or will deliver to Bank the following:

      (a)    a Commercial Security Agreement in form satisfactory to Bank
      granting Bank a first priority security interest in all of Borrower's
      assets except certain vehicles currently held by Southwest Bank of Texas,
      N.A. as collateral for loans at Southwest Bank of Texas, N.A.

      (b)    all other instruments necessary to give Bank a perfected security
      interest and/or lien in and to the assets of Borrower used as collateral
      and security for the Notes.

      The Notes and all amounts which may become due and owing by Borrower to
Bank hereunder are secured by the Security Instruments.

      Section 3.02  CURING DEFECTS. It is agreed that Borrower will cure any
title defects in and to all interest and rights covered by the Security
Instruments as necessary to provide Bank the security interest in the property
therein described.  In the event any such defects are not cured by Borrower
within forty-five (45) days after notice thereof by Bank to Borrower, Borrower
authorizes Bank to retain legal counsel to cure same and to charge all related
reasonable costs and fees to Borrower, or, at Bank's option, to declare the
Notes to be immediately due and payable and any cost and fees incurred to cure
any such defects shall be payable on demand, shall become a part of the
principal indebtedness under the Notes, and shall be secured by the Security
Instruments.


                                         -7-

<PAGE>

                                      ARTICLE IV

                            REPRESENTATIONS AND WARRANTIES

      Section 4.01  REPRESENTATIONS AND WARRANTIES. To induce Bank to enter
into this Agreement, Borrower represents and warrants to Bank as follows:

      (a)    Borrower is not in default with respect to any of its existing
      indebtedness to any party, and the performance of Borrower's obligations
      under this Agreement, or under any document or instruments referred to
      herein, will not result in a default or in the creation or imposition of
      any security interest in, or lien or encumbrance upon, any of the assets
      of Borrower under any other contract, agreement or instrument to which
      Borrower is a party or by which Borrower or its property is bound;

      (b)    This Agreement, the Notes, the Security Instruments and any other
      documents executed in connection with the Notes, when executed and
      delivered, will be valid, binding and enforceable in accordance with
      their respective terms;

      (c)    All financial statements or other information of Borrower which
      have been submitted heretofore to Bank are materially complete and
      correct, have been prepared in accordance with generally accepted
      accounting principles and fairly reflect the financial condition of
      Borrower for the period or periods indicated.  No material adverse change
      has occurred in the condition of Borrower, financial or otherwise,
      subsequent to the date or dates of any such financial statements or other
      information;

      (d)    There are no actions, suits, or proceedings pending or threatened
      against or affecting Borrower which involve the possibility of any
      judgment or liability which, in the opinion of management, may materially
      and adversely affect the business or assets of Borrower or its ability to
      carry on its business as now conducted;

      (e)    Borrower is not in default under any order, writ, injunction, or
      decree of any court or governmental agency which may result in a material
      adverse change in the business, operations, properties, or assets of
      Borrower;

      (f)    No part of the proceeds received by Borrower on the Master
      Revolving Line of Credit Note will be used, directly or indirectly, for
      the purpose of purchasing or carrying, or the payment in whole or in
      part, of indebtedness which was incurred for the purpose of purchasing or
      carrying, any margin stock, as such term is defined in Section 221.3 of
      Regulation U of the Board of Governors of the Federal Reserve System, 12
      C.F.R., Part 221.  No part of the proceeds received by Borrower hereunder
      will be used for any purpose which violates Regulation X of the Board of
      Governors of the Federal Reserve System, 12 C.F.R., Part 224;


                                         -8-

<PAGE>

      (g)    No approvals or consents of any government or administrative
      agency having jurisdiction over Borrower are necessary or required to
      permit Borrower to enter into this Agreement, the Master Revolving Line
      of Credit Note or the Security Instruments;

      (h)    Borrower has and will continue to have good and indefeasible
      title, free and clear of all liens, security interests and encumbrances,
      to all of the collateral securing the Master Revolving Line of Credit
      Note;

      (i)    Borrower is in compliance in all material respects with the
      applicable provisions of ERISA, and to the best of the Borrower's
      knowledge, no "reportable event", as such term is defined in Section 4043
      of ERISA, has occurred with respect to any Plan of the Borrower;

      (j)    Borrower is not an "investment company" or a company "controlled"
      by an "investment company," within the meaning of the Investment Company
      Act of 1940, as amended;

      (k)    The Borrower is duly formed and existing under the laws of the
      State of Delaware, all franchise and other taxes required to maintain the
      existence of Borrower have been paid when due and no such taxes are
      currently delinquent; no proceedings are pending for the forfeiture of
      Borrower's Certificate of Incorporation or for its dissolution, voluntary
      or involuntary; Borrower's principal office is located in Houston, Texas;
      and the Borrower is fully qualified, authorized and in good standing to
      do business in all jurisdictions in which the nature of its business
      requires it to be qualified and authorized to do business;

      (l)    All compressors owned by Borrower are portable and are not
      required to be titled in any jurisdiction in which they are located; and

      (m)    Any existing options to sell compressor units owned by Borrower
      contain an exercise price to sell such compressors of not less than the
      fair market value of the compressors which are the subject of the option.


                                      ARTICLE V

                                      COVENANTS

      Section 5.01  BORROWER'S AFFIRMATIVE COVENANTS.  Borrower covenants and
agrees that until the full and final payment of the Notes, and any and all
renewals, extensions, modifications and rearrangements thereof, and of any and
all other amounts secured or to be secured by the Security Instruments that:


                                         -9-

<PAGE>


      (a)    Borrower shall promptly furnish to Bank, within forty-five (45)
      days of the end of each calendar month, (i) an aging and listing of all
      accounts receivable and accounts payable of Borrower, (ii) in-house
      prepared unaudited financial statements, and (iii) a Loan Formula
      Certificate and Certificate of No Default, all of such items to be signed
      and certified by an officer of Borrower;

      (b)    Borrower shall furnish to Bank, within forty-five (45) days after
      the end of each fiscal year of Borrower, in-house prepared unaudited
      annual financial statements of Borrower, such financial statements to be
      signed and certified by an officer of Borrower;

      (c)    Borrower shall furnish to Bank, within ninety (90) days after the
      end of each fiscal year of Borrower, audited annual consolidated
      financial statements and 10-K filings on its parent company, Catalyst
      Energy Services, Inc., prepared by a Certified Public Accountant in form
      and content reasonably acceptable to Bank;

      (d)    Borrower shall furnish to Bank upon execution of this Agreement
      and within forty-five (45) days of the end of each calendar quarter a
      complete list of all compressor equipment detailing (i) the location of
      all such equipment by state and county or parish, (ii) the Lessee, if
      any, of such equipment, and (iii) the manufacturer and identification
      number of such equipment;

      (e)    Borrower shall furnish from time to time such further information
      regarding the business affairs and other financial conditions of Borrower
      as Bank may reasonably request.  All financial statements furnished under
      this Agreement shall be prepared in accordance with generally accepted
      accounting principles consistently followed throughout the period
      involved;

      (f)    Borrower shall promptly inform Bank of a breach of any warranty or
      representation made herein, or in the Security Instruments, when same
      occurs, said warranties and representations to survive the execution
      hereof;

      (g)    Borrower shall receive and hold all inventory of Borrower for the
      sole purposes of storing, utilizing, leasing and/or selling the same at
      Borrower's existing places of business or such other places as may be
      satisfactory to Bank;

      (h)    Borrower shall maintain at all times from the date hereof a ratio
      of Indebtedness to Tangible Net Worth of not more than 2.10 to 1.00;

      (i)    Borrower shall maintain a ratio of Current Assets to Current
      Liabilities of not less than 1.10 to 1.00 at all times from and after the
      date hereof;

      (j)    Borrower shall maintain a Total Fixed Charge Coverage Ratio of at
      least 1.35 to 1.00 at all times from and after the date hereof.  Total
      Fixed Charge Coverage Ratio


                                         -10-

<PAGE>

      shall mean the sum of (a) net income, plus (b) depreciation, amortization
      and other non-cash charges, plus (c) deferred Federal Income Taxes, plus
      (d) interest expense divided by the sum of (x) principal payments made on
      current maturities of long term debt, plus (y) interest expense.  This
      covenant shall be tested on a monthly basis and will be calculated on a
      twelve (12) month rolling average;

      (k)    Borrower shall permit any officer, employee or agent of Bank to
      visit Borrower's offices and warehouse facilities to inspect the
      collateral which secures the Notes and to examine and make copies of the
      Borrower's financial records and records of accounts, and discuss the
      affairs, finances and accounts of the Borrower with Borrower's officers,
      accountants and auditors on a annual basis, at the cost and expense of
      Borrower, provided such expenses are reasonable and customary, and at
      such other times as Bank may deem necessary at Bank's expense;

      (l)    Borrower shall maintain with financially sound and reputable
      insurers, reasonably acceptable to Bank, insurance with respect to its
      assets, facilities and business against such liabilities, casualties,
      risks and contingencies as is customary for its business, but in no event
      less than the coverage currently in place, naming the Bank as loss payee
      with respect to any insurance covering collateral securing the Master
      Revolving Line of Credit Note, and will, upon execution of this Agreement
      and at such other times as Bank may request, provide satisfactory
      evidence of such insurance;

      (m)    Borrower shall enter into a Lock Box Agreement with Bank in form
      and content acceptable to Bank and shall at all times maintain a Lock
      Box;

      (n)    Borrower shall preserve and maintain its corporate existence,
      rights and authority to do business in all states in which it conducts
      its business;

      (o)    Borrower shall keep all of its records and books of accounts in
      accordance with generally accepted accounting principles consistently
      applied reflecting all transactions of Borrower;

      (p)    Borrower shall (i) if requested by the Bank, then promptly after
      the filing thereof with the United States Secretary of Labor or the
      Pension Benefit Guaranty Corporation, it shall furnish copies of each
      annual and other report with respect to each Plan or any trust created
      thereunder, and (ii) immediately upon becoming aware of the occurrence of
      any "reportable event", as such term is defined in Section 4043 of ERISA,
      or of any "prohibited transaction", as such term is defined in Section
      4975 of the Internal Revenue Code of 1954, as amended, in connection with
      any Plan or trust created thereunder, it shall furnish to Bank a notice
      signed by its President or a principal financial officer specifying the
      nature thereof, what action it is taking or proposes to take with respect
      thereof and, when known, any action taken by the Internal Revenue Service
      with respect thereto; and


                                         -11-

<PAGE>

      (q)    Borrower shall at all times clearly mark all compressor units now
      owned, or to be purchased by Borrower, to indicate they are the property
      of Borrower.

      Section 5.02  BORROWER'S NEGATIVE COVENANTS.  Borrower covenants and
agrees that until the full and final payment of the Notes, and any and all
renewals, extensions, modifications and rearrangements thereof, and of any and
all other amounts secured or to be secured by the Security Instruments that
Borrower shall NOT, without the prior written consent of Bank, which consent may
be withheld by Bank in its reasonable discretion, do any of the following:

      (a)    compensate any officer, director, or employee of Borrower other
      than reasonable and customary compensation for services, or consolidate,
      or merge with any other company or entity, or give any preferential
      treatment, make any advance, directly or indirectly, by way of loan,
      gift, bonus, or otherwise, to any company or entity directly or
      indirectly, controlling or affiliated with or controlled by Borrower, or
      any other company or entity, or to any officer, director, partner or
      employee of Borrower, or any such company or entity, except the
      contemplated loans to Messrs. Farr, Gillioz and Richards to enable them
      to pay their 1995 income taxes related to their receipt of stock in
      Catalyst Energy Services, Inc., which loans will not exceed $50,000.00 in
      the aggregate;

      (b)    permit any Plan maintained by it to:

             (i)    engage in any "prohibited transaction" as such term is
                    defined in Section 4975 of the Internal Revenue Code of
                    1954, as amended; or

             (ii)   incur any "accumulated funding deficiency" as such term is
                    defined in Section 302 of ERISA; or

             (iii)  terminate any such Plan in a manner which could result in
                    the imposition of a lien on its property pursuant to
                    Section 4068 of ERISA.

      (c)    incur, create, assume or permit to exist any Indebtedness, debt or
      liability except (i) the Notes; (ii) Indebtedness incurred in the
      ordinary course of Borrower's business in connection with normal trade
      obligations; (iii) any Indebtedness previously made or contemplated to be
      made in the future by Bank to Borrower; (iv) any Indebtedness described
      in the Security Instruments; (v) current Indebtedness owed to Southwest
      Bank of Texas, N.A.; and (vi) aggregate Indebtedness, other than the
      Indebtedness to Bank, current Indebtedness owed to Southwest Bank of
      Texas, N.A., and normal trade obligations, of not more than $250,000.00
      at anytime, without written approval by Bank, in its sole discretion;

      (d)    incur, create, assume or permit to exist any mortgage, pledge,
      security interest, lien, charge or other encumbrance (except those
      created in the Security Instruments) of


                                         -12-

<PAGE>

      any nature whatsoever on any of its assets, now owned or hereafter
      acquired which are now or hereafter pledged to Bank under the Security
      Instruments or otherwise to secure the Notes or any Obligations;

      (e)    guarantee or otherwise in any way become contingently liable or
      responsible for obligations of any person or entity whether by agreement
      to purchase the indebtedness of any other person or entity or agreement
      for the furnishing of any other funds to any other person or entity
      through the purchase of goods, supplies or services for the purpose of
      paying or discharging the indebtedness of any other person or entity or
      otherwise, except for the endorsement of negotiable instruments by
      Borrower in the ordinary course of business for collection or deposit;

      (f)    unless otherwise approved in writing by Bank in its sole
      discretion, sell, lease, transfer or otherwise dispose of all or any part
      of its properties or assets except in the ordinary course of business; or
      consolidate with or merge into any other entity or permit another entity
      to merge into it or acquire all or substantially all of the properties or
      assets of any other person or entity; or make any substantial change in
      its capitalization; or

      (g)    grant any option to purchase any compressor unit for less than its
      fair market value.


                                      ARTICLE VI

                            EVENT OF DEFAULT AND REMEDIES

      Section 6.01  EVENTS OF DEFAULT.  Any of the following events shall be
considered an "Event of Default" under this Agreement:

      (a)    Default on the Notes, any of the Obligations or any Indebtedness
      of Borrower;

      (b)    Default on the Security Instruments, or any other document
      executed in connection with this Agreement;

      (c)    The discovery by Bank that any representation or warranty made by
      Borrower in this Agreement, the Security Instruments, or any other
      instrument securing or executed in connection with the Notes is false,
      misleading or erroneous in any material respect as of the date such
      representation or warranty is made;

      (d)    The discovery by Bank that any representation, statement
      (including financial statements), certificate, or data furnished or made
      or to be furnished or made by Borrower hereunder or under the Security
      Instruments, or any other instrument securing or executed in connection
      with the Notes is false, misleading or erroneous in any


                                         -13-

<PAGE>

      material respect, as of the date of which the facts therein set forth
      were stated or certified;

      (e)    Default in the performance of any of the covenants contained
      herein or in any document executed in connection herewith;

      (f)    Borrower shall suffer two consecutive quarters of net operating
      losses as determined in accordance with generally accepted accounting
      principles;

      (g)    Borrower shall (i) discontinue business or (ii) make a general
      assignment for the benefit of creditors or (iii) apply for or consent to
      the appointment of a receiver, a trustee or liquidator for itself or for
      all or a substantial part of its assets, or (iv) be adjudicated a
      bankrupt or insolvent, or (v) file a voluntary petition in bankruptcy or
      file a petition or answer seeking reorganization or rearrangement of
      creditors or seeking to take advantage of any other law (whether federal
      or state) relating to relief for debtors, or admit (by answer, by
      default, or otherwise) the material allegations of a petition filed
      against it in any bankruptcy, reorganization, rearrangement, insolvency
      or other proceedings (whether federal or state) relating to relief for
      debtors, or (vi) suffer or permit to continue unstayed and in effect for
      ninety (90) consecutive days any judgment, decree or order, entered by a
      court of competent jurisdiction, which approves a petition seeking
      reorganization of it or appoints a receiver, trustee or liquidator of it
      or of all or a substantial part of any of its assets, or (vii) fail to
      pay prior to delinquency, any taxes owed to the State of Texas, the
      United States of America, or any other entity having jurisdiction over
      Borrower or any of its assets, provided, however, Borrower may contest in
      good faith the payment of such taxes, as long as Borrower complies with
      all applicable laws and maintains the capacity to pay such taxes
      reasonably satisfactory to the Bank and provided further that Borrower
      shall pay such taxes (a) if required by law in order to contest taxes,
      (b) prior to such time that the rights of Bank in the property covered by
      the Security Instruments become jeopardized in Bank's reasonable opinion,
      and (c) prior to any final judgment being taken against Borrower or
      Borrower's assets because of such non-payment.

      Section 6.02  REMEDIES.  Upon the happening of any Event of Default and
at any time thereafter (i) Bank, at its option, may declare the entire
outstanding principal balance of the Notes and all accrued and unpaid interest
thereon and any and all other indebtedness of Borrower to Bank to be immediately
due and payable without notice of default, presentment, demand, protest, notice
of protest, notice of intention to accelerate the maturity thereof, notice of
the exercise of the intention to accelerate the maturity thereof, or other
notice whatsoever, all of which are hereby expressly waived by Borrower; (ii)
all obligations of Bank hereunder, if any, including, but not limited to the
making, continuing or renewing of any loan hereunder, shall terminate unless and
until same are reinstated in writing by Bank; (iii) Bank may exercise any and
all remedies it has at law or in equity, in the Master Revolving Line of Credit
Note or in the Security Instruments; and (iv) Bank may establish a Cash
Collateral Account as provided in Section 6.03.


                                         -14-

<PAGE>

      Section 6.03  CASH COLLATERAL ACCOUNT.  Upon the happening of any Event
of Default, the Bank shall establish a cash collateral account into which the
finally collected accounts from Account Debtors received in the Lock Box are
deposited (the "Cash Collateral Account").  The Bank shall have the right to
withdraw from the Cash Collateral Account any and all sums within such Cash
Collateral Account for application on the Notes.

      Section 6.04  RIGHT OF SET-OFF.  Upon the occurrence of and during the
continuance of any Event of Default referred to herein, Bank is hereby
authorized at any time and from time to time, without notice to Borrower, to
set-off and apply any and all deposits (general or special, time or demand,
provisional or final) at any time held and other indebtedness at any time owing
by Bank to or for the credit or the account of Borrower against any and all of
the Obligations of Borrower that are then due and payable, irrespective of
whether Bank shall have made any demand under this Agreement or under the Notes.
Notwithstanding anything to the contrary contained herein, Bank may not exercise
any of it's set-off rights contained in this Section 6.04 against any unmatured
Obligations until it has given Borrower seven (7) days notice of its intent to
exercise it's set-off rights.  The rights of Bank under this Section are in
addition to other rights and remedies (including, without limitation, other
rights of set-off) which Bank may have.

      Section 6.05  CROSS COLLATERALIZATION AND CROSS DEFAULT.  Upon the
occurrence of any Event of Default under this Agreement or default under any
other agreement between Borrower and Bank, then it is agreed by Borrower that
the Bank shall have the right to accelerate all Obligations owing to it by
Borrower, and any collateral securing any of the Obligations of Borrower to Bank
shall act as collateral for all of the Obligations of Borrower to the Bank.


                                     ARTICLE VII

                                    MISCELLANEOUS

      Section 7.01  NOTICES.  Any notices, requests or communications hereunder
shall be in writing, and shall be delivered by actual delivery or by placing
same in the United States mails, certified mail, return receipt requested,
addressed to the party to whom directed at the address hereinabove set out.  Any
such notice, request or communication shall be deemed delivered upon the earlier
to occur of placing same in the mails or upon actual delivery to the party to
whom directed.

      Section 7.02  BINDING EFFECT.  All covenants and agreements contained in
this Agreement by or on behalf of the Borrower shall bind its successors and
assigns and shall inure to the benefit of Bank and its successors and assigns.

      Section 7.03  CONTINUING EFFECT.  This Agreement shall remain in effect
until the Notes and all other obligations of Borrower to Bank have been paid in
full.


                                         -15-

<PAGE>

      Section 7.04  GOVERNING LAW.  This Agreement shall be deemed to be a
contract made under and shall be construed and enforced in accordance with the
laws of the State of Texas.

      Section 7.05  CONFLICTS.  In the event of any conflict between the
provisions of this Agreement and the provisions of the Notes or the Security
Instruments, the provisions of this Agreement shall control.

      Section 7.06  CONSTRUCTION.  Whenever used herein, the pronouns of any
gender shall include the other genders and either the singular or the plural
shall include the other as the context requires.

      Section 7.07  ADDITIONAL DOCUMENTS.  Borrower agrees to execute and
deliver such other and further documents and to do and perform such other acts
as may be reasonably necessary and proper in Bank's judgment to carry out the
intention of the parties as herein expressed and to effect the purposes of this
document and the transactions referred to herein.

      Section 7.08  COST AND EXPENSES.  All reasonable costs, expenses, and
attorneys fees incurred in performing and complying with Borrower's covenants
herein shall be borne by Borrower.  If, in pursuance of any covenant herein
contained, Bank shall pay out any money chargeable to Borrower, or subject to
reimbursement by Borrower under the terms hereof, Borrower shall repay the same
to Bank immediately at the place where the Notes are payable.  The sum of each
such payment shall be added to either of the Notes and thereafter shall form a
part of the same and shall be secured by this Agreement and the Security
Instruments and by subrogation of Bank to all the rights of the person,
corporation, or body politic receiving such payment.

      Section 7.09  WAIVER.  It is expressly agreed that no waiver of any
default on the part of Borrower or breach of any of the provisions of this
Agreement shall be considered a waiver of any other or subsequent default or
breach, and no delay or omission in exercising or enforcing the rights and
powers herein granted shall be construed as a waiver of such rights and powers,
and likewise no exercise or enforcement of any rights or powers hereunder shall
be held to exhaust such rights and powers, and every such right and power may be
exercised from time to time; failure by Bank to insist upon the strict
performance by Borrower of any of the terms and provisions hereof shall not be
deemed to be a waiver of any of the terms and provisions hereof, and Bank,
notwithstanding any such failure, shall have the right thereafter to insist upon
the strict performance by Borrower of any and all of the terms and provisions of
this Agreement.

      Section 7.10  USURY SAVINGS.  It is the intention of the parties hereto
to conform strictly to the usury laws applicable to the Bank and Borrower.
Accordingly, if the transactions contemplated hereby would be usurious under
applicable law (including the laws of the United States of America and the State
of Texas), then, in that event, notwithstanding anything to the contrary in the
Notes, this Agreement, the Security Instruments or any other agreement entered
into in connection with or as security for the Notes, it is agreed as follows:
(i) the aggregate


                                         -16-

<PAGE>

of all consideration which constitutes interest under law applicable to the Bank
that is contracted for, taken, reserved, charged or received under the Notes,
this Agreement the Security Instruments or any other agreement or otherwise in
connection with the Notes shall under no circumstances exceed the maximum amount
allowed by such applicable law, and any excess shall be credited by the Bank on
the principal amount of the Notes (or, if the principal amount of the Notes
shall have been paid in full, refunded by the Bank to the Borrower); and (ii) in
the event that maturity of the Notes is accelerated by reason of an election of
the Bank resulting from any Event of Default under this Agreement or otherwise,
or in the event of any required or permitted prepayment, then such consideration
that constitutes interest under law applicable to the Bank may never include
more than the maximum amount allowed by such applicable law, and excess
interest, if any, provided for in the Notes, the Security Instruments, this
Agreement or otherwise shall be canceled automatically as of the date of such
acceleration or prepayment and, if theretofore paid, shall be credited by the
Bank on the principal amount of the Notes (or, if the principal amount of the
Notes shall have been paid in full, refunded by the Bank to the Borrower).

      Section 7.11  INVALIDITY.  In the event that any one or more of the
provisions contained in the Notes, this Agreement or the Security Instruments
shall, for any reason, be held invalid, illegal or unenforceable in any respect,
such invalidity, illegality or unenforceability shall not affect any other
provision of the Notes, this Agreement or the Security Instruments.

      Section 7.12  TITLES OF ARTICLES, SECTIONS AND SUBSECTIONS.  All titles
or headings to articles, sections, subsections or other divisions of this
Agreement or the exhibits hereto are only for the convenience of the parties and
shall not be construed to have any effect or meaning with respect to the other
content of such articles, sections, subsections or other divisions, such other
content being controlling as to the agreement between the parties hereto.

      Section 7.13  COUNTERPARTS.  This Agreement may be executed in two or
more counterparts, and it shall not be necessary that the signatures of all
parties hereto be contained on any one counterpart hereof; each counterpart
shall be deemed an original, but all of which together shall constitute one and
the same instrument.

      Section 7.14  AGREEMENT FOR BINDING ARBITRATION.  The parties agree to be
bound by the terms and provisions of the current Arbitration Program of First
Interstate Bank of Texas, N.A. which is incorporated by reference herein and is
acknowledged as received by the parties, pursuant to which any and all disputes
shall be resolved by mandatory binding arbitration upon the request of any
party.

             NOTICE:  THIS DOCUMENT AND ALL OTHER DOCUMENTS RELATING TO THIS
             LOAN CONSTITUTE A WRITTEN LOAN AGREEMENT WHICH REPRESENTS THE
             FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY
             EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS
             OF THE PARTIES. THERE


                                         -17-

<PAGE>

             ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES
             RELATING TO THIS LOAN.


      Please indicate your agreement to the foregoing by executing this
Agreement in the space provided below.


                                       Very truly yours,

                                       FIRST INTERSTATE BANK OF TEXAS, N.A.



                                       By:
                                          ---------------------------------
                                          Randy Wade, Banking Officer


AGREED AND ACCEPTED this 18 day of September, 1995.

COMPRESSOR DYNAMICS, INC.,
a Delaware corporation


By:/s/ Gary Farr
   ------------------------------
   Gary Farr, President


                                         -18-

<PAGE>

                                     EXHIBIT "A"

                LOAN FORMULA CERTIFICATE AND CERTIFICATE OF NO DEFAULT

TO:    First Interstate Bank of Texas, N.A.
       1000 Louisiana
       Houston, Texas  77002
       Attention:  Randy Wade

Gentlemen:

This Loan Formula Certificate and Certificate of No Default ("Certificate") for
the month ending ____________________, 199___, is executed and delivered by
COMPRESSOR DYNAMICS, INC. ("Borrower") to FIRST INTERSTATE BANK OF TEXAS, N.A.
("Bank"), pursuant to the certain Loan Agreement ("Agreement") dated September
_____, 1995, between Borrower and Bank.  All terms used herein shall have the
meanings assigned to them in the Agreement.

Borrower represents and warrants to Bank that all information contained herein
is true, correct, and complete, and that the total accounts receivable of
Borrower less than 90 days old referred to below represents the Eligible
Accounts that qualify under the Agreement.  Borrower further represents and
warrants to the Bank that attached hereto as Schedule 1 is a list of the
accounts showing all accounts receivable aged in 30 day intervals.
 
<TABLE>


<S>                                                                           <C>
ACCOUNTS RECEIVABLE OF BORROWER:

      1.     Eligible Accounts receivable less than 90 days old                $
                                                                                   ---------------------
BORROWER'S INVENTORY:

      2.     Value of Borrower's Eligible Inventory at its cost                $
                                                                                   ---------------------
BORROWING BASE:

      3.     80% of Line 1                                                     $
                                                                                   ---------------------
      4.     The lesser of $500,000.00 or 40% of Line 2                        $
                                                                                   ---------------------
      5.     Line 3 plus Line 4                                                $
                                                                                   ---------------------
      6.     Outstanding principal amount of Master Revolving
             Line of Credit Note                                               $
                                                                                   ---------------------
      7.     Available Credit Amount [(the lesser of the
             Commitment or Line 5) minus Line 6]                               $
                                                                                   ---------------------

</TABLE>
 
Borrower further represents and warrants to Bank that no Event of Default has
occurred and is continuing and no event that, with notice or lapse of time or
both, would be an Event of Default has occurred and is continuing.

                                       COMPRESSOR DYNAMICS, INC.



                                       By:
                                           -----------------------------
                                       Name:
                                             ---------------------------
                                       Title:
                                              --------------------------
<PAGE>


                            COMMERCIAL SECURITY AGREEMENT


       THAT, COMPRESSOR DYNAMICS, INC., A DELAWARE CORPORATION, 104 Riley Road,
Houston, Harris County, Texas  77047 (hereinafter referred to as "Debtor"), for
value received, the receipt and sufficiency of which is hereby acknowledged,
hereby grants to FIRST INTERSTATE BANK OF TEXAS, N.A., 1000 Louisiana, Houston,
Harris County, Texas  77002 (hereinafter referred to as "Secured Party"), the
security interest (and the pledges and assignments as applicable) hereinafter
set forth and agrees with Secured Party as follows:

       A.    OBLIGATIONS SECURED.  The security interest (and pledges and
assignments as applicable) granted hereby are to secure punctual payment and
performance of the following:  (i) that certain Master Revolving Line of Credit
Note of even date herewith in the original principal sum of $1,000,000.00,
executed by Debtor and payable to the order of Secured Party, and any and all
extensions, renewals, modifications and rearrangements thereof, (ii) that
certain Term Note of even date herewith in the original principal sum of
$2,833,338.00, executed by Debtor and payable to the order of Secured Party, and
any and all extensions, renewals, modifications and rearrangements thereof,
(iii) all obligations of Debtor to Secured Party under the Letter Loan Agreement
between Debtor and Secured Party executed on even date herewith and all
extensions, renewals, modifications and rearrangements thereof; and (iv) any and
all other indebtedness, liabilities and obligations whatsoever and of whatever
nature of Debtor to Secured Party whether direct or indirect, absolute or
contingent, primary or secondary, due or to become due and whether now existing
or hereafter arising and howsoever evidenced or acquired, whether joint or
several, or joint and several (all of which are herein separately and
collectively referred to as the "Obligations").  Debtor acknowledges that the
security interest (and pledges and assignments as applicable) hereby granted
shall secure all future advances as well as any and all other indebtedness,
liabilities and obligations of Debtor to Secured Party whether now in existence
or hereafter arising.

       B.    USE OF COLLATERAL.  Debtor represents, warrants and covenants that
the Collateral will be used by Debtor primarily for business purposes.

       C.    DESCRIPTION OF COLLATERAL.  Debtor hereby grants to Secured Party
a security interest in (and hereby pledges and assigns as applicable) and agrees
that Secured Party shall continue to have a security interest in (and a pledge
and assignment of as applicable), the following property, to-wit:

       ALL ACCOUNTS.  A security interest in all accounts now owned or existing
       as well as any and all that may hereafter arise or be acquired by
       Debtor, and all the proceeds and products thereof, including without
       limitation, all notes, drafts, acceptances, instruments and chattel
       paper arising therefrom, and all returned or repossessed goods arising
       from or relating to any such accounts, or other proceeds of any sale or
       other disposition of inventory.

       ALL INVENTORY.  A security interest in all of Debtor's inventory,
       including all goods, merchandise, raw materials, goods in process,
       finished goods and other tangible personal property, wheresoever
       located, now owned or hereafter acquired and held for sale or lease or
       furnished or to be furnished under contracts for service or used or
       consumed in Debtor's business and all additions and accessions thereto
       and contracts with respect thereto and all documents of title evidencing
       or representing any part thereof, and all products and proceeds thereof,
       including, without limitation, all of such which are now or hereafter
       located at the following locations:  (i) 104 Riley Road, Houston, Texas
       77047, (ii) 2016 Oil Bankhead Highway, Eastland, Texas  76448, and (iii)
       Highway 99 to Junction 59 South Seminole 1/4 mile East and mile South,
       Seminole County, Oklahoma.

       ALL FIXTURES.  A security interest in all of Debtor's fixtures and
       appurtenances thereto, and such other goods, chattels, fixtures,
       equipment and personal property affixed or in any manner attached to the
       real estate and/or building(s) or structure(s), including all additions
       and accessions thereto and replacements thereof and articles in
       substitution therefor, howsoever attached or affixed, located at the
       following locations:

             See EXHIBIT "A" attached hereto and made a part hereof for
             all purposes.

       ALL EQUIPMENT.  A security interest in all equipment of every nature and
       description whatsoever now owned or hereafter acquired by Debtor
       including all appurtenances and additions thereto and substitutions
       therefor, wheresoever located, including all tools, parts and
       accessories used in connection therewith.

       GENERAL INTANGIBLES.  A security interest in all general intangibles and
       other personal property now owned or hereafter acquired by Debtor other
       than goods, accounts, chattel paper, documents and instruments.

       CHATTEL PAPER.  A security interest in all of Debtor's interest under
       chattel paper, lease agreements and other instruments or documents,
       whether now existing or owned by Debtor or hereafter arising or acquired
       by Debtor, evidencing both a debt and security interest in or lease of
       specific goods.


<PAGE>

       INSTRUMENTS.  A pledge and assignment of and security interest in all of
       Debtor's now owned or existing as well as hereafter acquired or arising
       instruments and documents.


       The term "Collateral" as used in this Agreement shall mean and include,
and the security interest (and pledge and assignment as applicable) shall cover,
all of the foregoing property, as well as any accessions, additions and
attachments thereto and the proceeds and products thereof, including without
limitation, all cash, general intangibles, accounts, inventory, equipment,
fixtures, notes, drafts, acceptances, securities, instruments, chattel paper,
insurance proceeds payable because of loss or damage, or other property,
benefits or rights arising therefrom, and in and to all returned or repossessed
goods arising from or relating to any of the property described herein or other
proceeds of any sale or other disposition of such property.

       As additional security for the punctual payment and performance of the
Obligations, and as part of the Collateral, Debtor hereby grants to Secured
Party a contractual right of set-off to and a security interest in, and a pledge
and assignment of, any and all money, property, deposit accounts, accounts,
securities, documents, chattel paper, claims, demands, instruments, items or
deposits of the Debtor, and each of them, or to which any of them is a party,
now held or hereafter coming within Secured Party's custody or control,
including without limitation, all certificates of deposit and other depository
accounts, whether such have matured or the exercise of Secured Party's rights
results in loss of interest or principal or other penalty on such deposits, but
excluding deposits subject to tax or penalties if assigned.  Without prior
notice to or demand upon the Debtor, Secured Party may exercise its rights
granted above at any time when a default has occurred.  Secured Party's rights
and remedies under this paragraph shall be in addition to and cumulative of any
other rights or remedies at law and equity, including, without limitation, any
rights of set-off to which Secured Party may be entitled.

       D.    REPRESENTATIONS, WARRANTIES AND COVENANTS OF DEBTOR.  Debtor
represents and warrants as follows:

             1. OWNERSHIP; NO ENCUMBRANCES.  Except for the security interests,
pledges, assignments, and rights of set-off granted hereby, the Debtor is, and
as to any property acquired after the date hereof which is included within the
Collateral, Debtor will be, the owner of all such Collateral free and clear from
all charges, liens, security interests, adverse claims and encumbrances of any
and every nature.

             2. NO FINANCING STATEMENTS.  There is no financing statement or
similar filing now on file in any public office covering any part of the
Collateral, excluding existing financing statements filed by Southwest Bank of
Texas, N.A., and Debtor will not execute and there will not be on file in any
public office any financing statement or similar filing except the financing
statements filed or to be filed in favor of Secured Party.

             3. ACCURACY OF INFORMATION.  All information furnished to Secured
Party concerning Debtor, the Collateral and the Obligations, or otherwise for
the purpose of obtaining or maintaining credit, is or will be at the time the
same is furnished, accurate and complete in all material respects.

             4. AUTHORITY.  Debtor has full right and authority to execute and
perform this Agreement and to create the security interests, pledges,
assignments, and rights of set-off created by this Agreement.  The making and
performance by Debtor of this Agreement will not violate any articles of
incorporation, by-laws or similar document respecting Debtor, any provision of
law, any order of court or governmental agency, or any indenture or other
agreement to which Debtor is a party, or by which Debtor or any of Debtor's
property is bound, or be in conflict with, result in a breach of or constitute
(with due notice and/or lapse of time) a default under any such indenture or
other agreement, or result in the creation or imposition of any charge, lien,
security interest, claim or encumbrance of any and every nature whatsoever upon
the Collateral, except as contemplated by this Agreement.

             5. ADDRESSES.  The address of Debtor designated at the beginning
of this Agreement is Debtor's place of business if Debtor has only one place of
business; Debtor's chief executive office if Debtor has more than one place of
business; or Debtor's residence if Debtor has no place of business.  Debtor
agrees not to change such address without advance written notice to Secured
Party.

       E.    GENERAL COVENANTS.  Debtor covenants and agrees as follows:

             1. OPERATION OF THE COLLATERAL.  Debtor agrees to maintain and use
the Collateral solely in the conduct of its own business, in a careful and
proper manner, and in conformity with all applicable permits or licenses.
Debtor shall comply in all material respects with all applicable statutes, laws,
ordinances and regulations.  Debtor shall not use the Collateral in any unlawful
manner or for any unlawful purposes, or in any manner or for any purpose that
would expose the Collateral to unusual risk, or to penalty, forfeiture or
capture, or that would render inoperative any insurance in connection with the
Collateral.

             2. CONDITION.  Debtor shall maintain, service and repair the
Collateral so as to keep it in good operating condition.  Debtor shall replace
within a reasonable time all parts that may be worn out, lost, destroyed or
otherwise rendered unfit for use, with appropriate replacement parts.  Debtor
shall obtain and maintain in good standing at all time all applicable permits,
licenses, registrations and certificates respecting the Collateral.


                                         -2-

<PAGE>

             3. ASSESSMENTS.  Debtor shall promptly pay when due all taxes,
assessments, license fees, registration fees, and governmental charges levied or
assessed against Debtor or with respect to the Collateral or any party thereof.

             4. NO ENCUMBRANCES.  Debtor agrees not to suffer or permit any
charge, lien, security interest, adverse claim or encumbrance of any and every
nature whatsoever against the Collateral or any part thereof, except those which
are in favor of Secured Party.

             5. NO REMOVAL.  Except as otherwise provided in this Agreement,
Debtor shall not remove the Collateral from the county or counties designated at
the beginning of this Agreement without Secured Party's prior written consent.

             6. NO TRANSFER.  Except as otherwise provided in this Agreement,
Debtor shall not, without the prior written consent of Secured Party, sell,
assign, transfer, lease, charter, encumber, hypothecate or dispose of the
Collateral, or any part thereof, or interest therein, or offer to do any of the
foregoing.

             7. NOTICES AND REPORTS.  Debtor shall promptly notify Secured
Party in writing of any change in the name, identity or structure of Debtor, any
charge, lien, security interest, claim or encumbrance asserted against the
Collateral, any litigation against Debtor or the Collateral, any theft, loss,
injury or similar incident involving the Collateral, and any other material
matter adversely affecting Debtor or the Collateral.  Debtor shall furnish such
reports, information and data regarding Debtor's financial condition and
operations, the Collateral and such other matters as Secured Party may request
from time to time.

             9. ADDITIONAL FILINGS.  Debtor agrees to execute and deliver such
financing statement or statements, or amendments thereof or supplements thereto,
or other documents as Secured Party may from time to time require in order to
comply with the Texas Uniform Commercial Code (or other applicable state law of
the jurisdiction where any of the Collateral is located) and to preserve and
protect the Secured Party's rights to the Collateral.

             10. PROTECTION OF COLLATERAL.  Secured Party, at its option,
whether before or after default, but without any obligation whatsoever to do so,
may (a) discharge taxes, claims, charges, liens, security interests, assessments
or other encumbrances of any and every nature whatsoever at any time levied,
placed upon or asserted against the Collateral, (b) place and pay for insurance
on the Collateral, including insurance that only protects Secured Party's
interest, (c) pay for the repair, improvement, testing, maintenance and
preservation of the Collateral, (d) pay any filing, recording, registration,
licensing or certification fees or other fees and charges related to the
Collateral, or (e) take any other action to preserve and protect the Collateral
and Secured Party's rights and remedies under this Agreement as Secured Party
may deem necessary and appropriate.  Debtor agrees that Secured Party shall have
no duty or obligation whatsoever to take any of the foregoing action.  Debtor
agrees to promptly reimburse Secured Party upon demand for any payment made or
any expense incurred by the Secured Party pursuant to this authorization.  These
payments and expenditures, together with interest thereon from date incurred
until paid by Debtor at the maximum contract rate allowed under applicable laws,
which Debtor agrees to pay, shall constitute additional Obligations and shall be
secured by and entitled to the benefits of this Agreement.

             11. INSPECTION.  Debtor shall at all reasonable times allow
Secured Party by or through any of its officers, agents, attorneys or
accountants, to examine the Collateral, wherever located, and to examine and
make extracts from Debtor's books and records.

             12. FURTHER ASSURANCES.  Debtor shall do, make, procure, execute
and deliver all such additional and further acts, things, deeds, interests and
assurances as Secured Party may require from time to time to protect, assure and
enforce Secured Party's rights and remedies.

             13. INSURANCE.  Debtor shall have and maintain insurance at all
times with respect to all tangible Collateral insuring against risks of fire
(including extended coverage), theft and other risks as Secured Party may
require, containing such terms, in such form and amounts and written by such
companies as may be reasonably satisfactory to Secured Party, all of such
insurance to contain loss payable clauses in favor of Secured Party as its
interest may appear.  All policies of insurance shall provide for ten (10) days'
written minimum cancellation notice to Secured Party and at the request of
Secured Party shall be delivered to and held by it.  Secured Party shall be
authorized to apply the proceeds from any insurance to the Obligations secured
hereby whether or not such Obligations are then due and payable.  Debtor
specifically authorizes Secured Party to disclose information from the policies
of insurance to prospective insurers regarding the Collateral.

       F.    ADDITIONAL PROVISIONS REGARDING ACCOUNTS.  The following
provisions shall apply to all accounts included within the Collateral:


                                         -3-

<PAGE>

             1. DEFINITIONS.  The term "account", as used in this Agreement,
shall have the same meaning as set forth in the Uniform Commercial Code of Texas
in effect as of the date of execution hereof, and as set forth in any amendment
to the Uniform Commercial Code of Texas to become effective after the date of
execution hereof, and also shall include all present and future notes,
instruments, documents, general intangibles, drafts, acceptances and chattel
paper of Debtor, and the proceeds thereof.

             2. ADDITIONAL WARRANTIES.  As of the time any account becomes
subject to the security interest (or pledge or assignment as applicable) granted
hereby, Debtor shall be deemed further to have warranted as to each and all of
such accounts as follows: (a) each account and all papers and documents relating
thereto are genuine and in all respects what they purport to be; (b) each
account is valid and subsisting and arises out of a bona fide sale of goods sold
and delivered to, or out of and for services actually rendered by the Debtor to
the account debtor named in the account; (c) the amount of the account
represented as owing is the correct amount actually and unconditionally owing
except for normal cash discounts; and (d) Debtor is the owner thereof free and
clear of any charges, liens, security interests, adverse claims and encumbrances
of any and every nature whatsoever, except those in favor of Secured Party.

             3. COLLECTION OF ACCOUNTS.  Secured Party shall have the right in
its own name or in the name of the Debtor, after default, to require Debtor
forthwith to transmit all proceeds of collection of accounts to Secured Party,
to notify any and all account debtors to make payments of the accounts directly
to Secured Party, to demand, collect, receive, receipt for, sue for and give
acquittal for, any and all amounts due or to become due on the accounts and to
endorse the name of Debtor on all commercial paper given in payment or part
payment thereof, and in Secured Party's discretion to file any claim or take any
other action or proceeding that Secured Party may deem necessary or appropriate
to protect and preserve and realize upon the accounts and related Collateral.
Unless and until Secured Party elects to collect accounts, and the privilege of
Debtor to collect accounts is revoked by Secured Party in writing, Debtor shall
continue to collect accounts, account for same to Secured Party, and shall not
commingle the proceeds of collection of accounts with any funds of the Debtor.
In order to assure collection of accounts in which Secured Party has a security
interest (or pledge or assignment of as applicable) hereunder, Secured Party may
notify the post office authorities to change the address for delivery of mail
addressed to Debtor to such address as Secured Party may designate, and to open
and dispose of such mail and receive the collections of all accounts. Secured
Party shall have no duty or obligation whatsoever to collect any account, or to
take any other action to preserve the Collateral; however, should Secured Party
elect to collect any account or take possession of any Collateral, Debtor
releases Secured Party from any claim or claims for loss or damage arising from
any act or omission in connection therewith.

             4. IDENTIFICATION AND ASSIGNMENT OF ACCOUNTS.  Upon Secured
Party's request, after default, Debtor shall take such action and execute and
deliver such documents as Secured Party may reasonably request in order to
identify, confirm, mark, segregate and assign accounts and to evidence Secured
Party's interest in same.  Without limitation of the foregoing, Debtor, upon
request, agrees to assign accounts to Secured Party, with respect to the
preceding month or other applicable period, identify and mark accounts as being
subject to the security interest (or pledge or assignment as applicable) granted
hereby, mark Debtor's books and records to reflect such assignments, and
forthwith to transmit to Secured Party in the form as received by Debtor any and
all proceeds of collection of such accounts.

             5. ACCOUNT REPORTS.  Debtor will deliver to Secured Party, prior
to the forty-fifth (45th) day of each month, or on such other frequency as
Secured Party may reasonably request, a written report in form and content
satisfactory to Secured Party, with respect to the preceding month or other
applicable period, showing a listing and aging of accounts and such other
information as Secured Party may request from time to time.

       G.    ADDITIONAL PROVISIONS REGARDING INVENTORY.  The following
provisions shall apply to all inventory included within the Collateral:

             1. INVENTORY REPORTS.  Debtor will deliver to Secured Party,
within forty-five (45) days after the end of each calendar quarter, or on such
other frequency as Secured Party may reasonably request, a written report in
form and content satisfactory to Secured Party, with respect to the preceding
calendar quarter or other applicable period, showing Debtor's opening inventory,
inventory acquired, inventory sold, inventory returned, inventory used in
Debtor's business, closing inventory, any other inventory not within the
preceding categories, and such other information as Secured Party may reasonably
request from time to time.  Debtor shall notify Secured Party of any material
matter adversely affecting the inventory, including, without limitation, any
event causing loss or depreciation in the value of the inventory and the amount
of such possible loss or depreciation.

             2. LOCATION OF INVENTORY.  Debtor will promptly notify Secured
Party in writing if it intends to commence business and/or place any of its
compressor units or other inventory in any state other than the following:
Texas, Louisiana, Oklahoma, Kansas, Wyoming, New Mexico, Colorado, Utah or
California.

             3. USE OF INVENTORY.  Unless and until the privilege of Debtor to
use inventory in the ordinary course of Debtor's business is revoked by Secured
Party due to an event of default Debtor may use the inventory in any manner not
inconsistent with this Agreement, may sell that part of the Collateral
consisting of inventory provided that all such sales are in the ordinary course
of business, and may use and consume any raw materials or supplies that are
necessary in order to carry on Debtor's business.  A sale in the ordinary course
of business does not include a transfer in partial or total satisfaction of a
debt.


                                         -4-

<PAGE>

             4. ACCOUNTS AS PROCEEDS.  All accounts that are proceeds of the
inventory included within the Collateral shall be subject to all of the terms
and provisions hereof.

             5. PROTECTION OF INVENTORY.  Debtor shall take all action
necessary to protect and preserve the inventory.

       H.    EVENTS OF DEFAULT.  Debtor shall be in default hereunder upon the
occurrence of any "Event of Default" under Section 6.01 of the Letter Loan
Agreement executed by Debtor and Secured Party on even date herewith ("Letter
Loan Agreement").

       I.    REMEDIES.  Upon the occurrence of an "Event of Default" under
Section 6.01 of the Letter Loan Agreement, Secured Party, at its option, shall
be entitled to exercise any one or more of the following remedies (all of which
are cumulative):

             1. DECLARE OBLIGATIONS DUE.  Secured Party, at its option, may
declare the Obligations or any part thereof immediately due and payable, without
demand, notice of intention to accelerate, notice of acceleration, notice of
non-payment, presentment, protest, notice of dishonor, or any other notice
whatsoever, all of which are hereby waived by Debtor.

             2. REMEDIES.  Secured Party shall have all of the rights and
remedies provided for in this Agreement and in any other agreements executed by
Debtor, the rights and remedies of the Uniform Commercial Code of Texas, and any
and all of the rights and remedies at law and in equity, all of which shall be
deemed cumulative.  Without limiting the foregoing, Debtor agrees that Secured
Party shall have the right to: (a) require Debtor to assemble the Collateral and
make it available to Secured Party at a place designated by Secured Party that
is reasonably convenient to both parties, which Debtor agrees to do; (b)
peaceably take possession of the Collateral and remove same, with or without
judicial process; (c) without removal, render equipment included within the
Collateral unusable, and dispose of the Collateral on the Debtor's premises; (d)
sell, lease or otherwise dispose of the Collateral, at one or more locations, by
public or private proceedings, for cash or credit, without assumption of credit
risk; (e) upon or after default, exercise rights of set-off against funds and
other property of Debtor within Secured Party's custody or control; and/or (f)
after default, collect and receipt for, compromise, and settle, and give
releases, discharges and acquittances with respect to, any and all amounts owed
by any person or entity with respect to the Collateral.  Secured Party will send
Debtor reasonable notice of the time and place of any public sale or of the time
after which any private sale or other disposition will be made.  Any requirement
of reasonable notice to Debtor shall be met if such notice is mailed, postage
prepaid, to Debtor at the address of Debtor designated at the beginning of this
Agreement, at least fifteen (15) days before the day of any public sale or at
least fifteen (15) days before the time after which any private sale or other
disposition will be made.

             3. EXPENSES.  Debtor shall be liable for and agrees to pay the
reasonable expenses incurred by Secured Party in enforcing its rights and
remedies, in retaking, holding, testing, repairing, improving, selling, leasing
or disposing of the Collateral, or like expenses, including, without limitation,
attorneys' fees and legal expenses incurred by Secured Party.  These expenses,
together with interest thereon from date incurred until paid by Debtor at the
maximum contract rate allowed under applicable laws, which Debtor agrees to pay,
shall constitute additional Obligations and shall be secured by and entitled to
the benefits of this Agreement.

             4. PROCEEDS; SURPLUS; DEFICIENCIES.  Proceeds received by Secured
Party from disposition of the Collateral shall be applied toward Secured Party's
expenses and other Obligations in such order or manner as Secured Party may
elect.  Debtor shall be entitled to any surplus if one results after lawful
application of the proceeds.  Debtor shall remain liable for any deficiency.

             5. REMEDIES CUMULATIVE.  The rights and remedies of Secured Party
are cumulative and the exercise of any one or more of the rights or remedies
shall not be deemed an election of rights or remedies or a waiver of any other
right or remedy.  Secured Party may remedy any default and may waive any default
without waiving the default remedied or without waiving any other prior or
subsequent default.

       J.    OTHER AGREEMENTS.

             1. WAIVERS.  Debtor waives demand, notice of intention to
accelerate, notice of acceleration, notice of non-payment, presentment, protest,
notice of dishonor and any other similar notice whatsoever.

             2. SEVERABILITY.  Any provision hereof found to be invalid by
courts having jurisdiction shall be invalid only with respect to such provision
(and then only to the extent necessary to avoid such invalidity).  The offending
provision shall be modified to the maximum extent possible to confer upon
Secured Party the benefits intended thereby.  Such provision as modified and the
remaining provisions hereof shall be construed and enforced to the same effect
as if such offending provision (or portion thereof) had not been contained
herein, to the maximum extent possible.

             3. USE OF COPIES.  Any carbon, photographic or other reproduction
of any financing statement signed by Debtor is sufficient as a financing
statement for all purposes, including without limitation, filing in any state as
may be permitted by the provisions of the Uniform Commercial Code of such state.


                                         -5-

<PAGE>

             4. RELATIONSHIP TO OTHER AGREEMENTS.  This Security Agreement and
the security interests (and pledges and assignments as applicable) herein
granted are in addition to (and not in substitution, novation or discharge of)
any and all prior or contemporaneous security agreements, security interests,
pledges, assignments, liens, rights, titles or other interests in favor of
Secured Party or assigned to Secured Party by others in connection with the
Obligations.  All rights and remedies of Secured Party in all such agreements
are cumulative, but in the event of actual conflict in terms and conditions, the
terms and conditions of the latest security agreement shall govern and control.

             5. NOTICES.  Any notice or demand given by Secured Party to Debtor
in connection with this Agreement, the Collateral or the Obligations, shall be
deemed given and effective upon deposit in the United States mail, postage
prepaid, addressed to Debtor at the address of Debtor designated at the
beginning of this Agreement.  Actual notice to Debtor shall always be effective
no matter how given or received.

             6. HEADINGS AND GENDER.  Paragraph headings in this Agreement are
for convenience only and shall be given no meaning or significance in
interpreting this Agreement.  All words used herein shall be construed to be of
such gender or number as the circumstances require.

             7. AMENDMENTS.  This Agreement may be changed, amended, modified,
waived or discharged only by an instrument in writing signed by the party
against whom enforcement of the change, amendment, modification, waiver or
discharge is sought.

             8. CONTINUING AGREEMENT.  The security interest (and pledges and
assignments as applicable) hereby granted and all of the terms and provisions in
this Agreement shall be deemed a continuing agreement and shall continue in full
force and effect until all obligations are extinguished or this Agreement is
terminated in writing.  Any such revocation or termination shall only be
effective if explicitly confirmed in a signed writing issued by Secured Party to
such effect and shall in no way impair or affect any transactions entered into
or rights created or Obligations incurred or arising prior to such revocation or
termination, as to which this Agreement shall be fully operative until same are
repaid and discharged in full.  Unless otherwise required by applicable law,
Secured Party shall be under no obligation to issue a termination statement or
similar documents unless Debtor requests same in writing and, provided further,
that all Obligations have been repaid and discharged in full and there are no
commitments to make advances, incur any Obligations or otherwise give value.

             9. BINDING EFFECT.  The provisions of this Security Agreement
shall be binding upon the heirs, personal representatives, successors and
assigns of Debtor and the rights, powers and remedies of Secured Party hereunder
shall inure to the benefit of the successors and assigns of Secured Party.

             10. GOVERNING LAW.  This Security Agreement shall be governed by
the law of the State of Texas and applicable federal law.

             11. AGREEMENT FOR BINDING ARBITRATION.  The parties agree to be
bound by the terms and provisions of the current Arbitration Program of First
Interstate Bank of Texas, N.A. which is incorporated by reference herein and is
acknowledged as received by the parties, pursuant to which any and all disputes
shall be resolved by mandatory binding arbitration upon the request of any
party.

       EXECUTED this 18 day of September, 1995.

                                               DEBTOR:

                                               COMPRESSOR DYNAMICS, INC., a
                                               Delaware corporation


                                               By: /s/ Gary Farr
                                                   ------------------------
                                                   Gary Farr, President


                                         -6-

<PAGE>

                                     EXHIBIT "A"

TRACT I:

Being a 3 acre tract of land 210' frontage by 630' deep, beginning just west of
the west boundary of a 10-1/2 acre tract of the original N.E. 12 acres of Block
6, Section 5 of the E.T. RR Co., Abst. 111, Eastland County, Texas; including a
20' x 40' building and a 40' x 40' building with office space and bath
facilities.

The record owner of Tract I is Southwest Coca-Cola Bottling Company, Inc.


TRACT II:

East 101.76 feet, TR 15, 1.9717 acres of Lot 15, Orange Grove S/D, Blackburn
Survey, Abstract 160, Harris County, Texas; and 2.867 acres of land, more or
less, being the most westerly 196.24 feet of Lot 15, Almeda Orange Grove
Addition, R.T. Blackburn Survey, Abstract 160, Harris County, Texas, according
to the plat thereof recorded in Volume 2, Page 62, Map Records, Harris County,
Texas.

The record owner of Tract II is Kamran Hekmat.
<PAGE>


                         MASTER REVOLVING LINE OF CREDIT NOTE
                                      PAYABLE TO
                         FIRST INTERSTATE BANK OF TEXAS, N.A.


September 18, 1995               Houston, Texas                    $1,000,000.00


        For value received, the undersigned (hereinafter called "Maker")
promises to pay to the order of FIRST INTERSTATE BANK OF TEXAS, N.A.
(hereinafter called "Bank") at its offices at 1000 LOUISIANA, HOUSTON, TEXAS
77002, in lawful money of the United States of America the sum of ONE MILLION
AND NO/100 DOLLARS ($1,000,000.00) together with interest thereon from the date
hereof until maturity at a varying rate per annum which is ONE-HALF PER CENT
(.50%) per annum (hereinafter called the "Margin Percentage") above the rate
quoted by FIRST INTERSTATE BANK OF TEXAS, N.A. from time to time as its Prime
Commercial Rate (but in no event to exceed the maximum rate of nonusurious
interest allowed from time to time by law as now in effect, or allowed by law as
may hereafter be in effect, hereinafter the "Highest Lawful Rate"), with
adjustments in such varying rate to be made on the same day as any change in
such Prime Commercial Rate.  The term "Prime Commercial Rate" shall mean the
rate of interest established by Bank from time to time as a general reference
rate of interest, it being understood that many of the Bank's loans are priced
in relation to such rate but that it is not necessarily the lowest or best rate
charged to customers of the Bank.

        Adjustments due to changes in the Highest Lawful Rate will be made on
the effective date of any change in the Highest Lawful Rate.

        All past due principal and interest shall bear interest at the Highest
Lawful Rate from maturity until paid.  Interest shall be computed on a per annum
basis of a year of 365 or 366 days, as the case may be, and for the actual
number of days (including the first but excluding the last day) elapsed.

        At the option of the Bank and notwithstanding the foregoing provisions
concerning such varying rate, if at any time the sum of the Margin Percentage
plus such Prime Commercial Rate exceeds the Highest Lawful Rate, the rate of
interest to accrue on this Note shall be limited to the Highest Lawful Rate, but
if thereafter the sum of the Margin Percentage plus such Prime Commercial Rate
is less than the Highest Lawful Rate, the rate of interest to accrue on this
Note shall be the Highest Lawful Rate until the total amount of interest accrued
on this Note equals the amount of interest which would have accrued if a varying
rate per annum equal to the sum of the Margin Percentage plus such Prime
Commercial Rate had at all times been in effect.

        Principal and accrued interest on this Note are due and payable as
        follows:

        One installment of interest only on October 6, 1995, and one final
        balloon payment due December 1, 1995, of the entire unpaid principal
        balance hereof, plus all unpaid accrued interest.



        If any installment or payment of principal or interest of this Note is
not paid when due; or if Maker shall become insolvent (however such insolvency
may be evidenced); or if any proceeding, procedure or remedy supplementary to or
in enforcement of judgement shall be resorted to or commenced against Maker, or
with respect to any property of it; or if any governmental authority or any
court at the instance thereof shall take possession of any substantial part of
the property of or assume control over the affairs or operations of, or a
receiver shall be appointed for or take possession of the property of, or a writ
or order of attachment or garnishments shall be issued or made against any of
the property of Maker; or if any material indebtedness for which Maker is
primarily or secondarily liable shall not be

                                                                      /s/ GF
                                                                      ----------
                                                                      (INITIALS)


                                  Page 1 of 4 Pages

<PAGE>

paid when due or shall become due and payable by acceleration of maturity
thereof, or if any event or condition shall occur which shall permit the holder
of any such material indebtedness to declare it due and payable upon the lapse
of time, giving of notice or otherwise; or if Maker shall be dissolved, wound
up, liquidated or otherwise terminated, or a party to any merger or
consolidation without the written consent of Bank; or if Maker shall sell
substantially all or an integral portion of its assets without written consent
of Bank; or if Maker fails to furnish financial information reasonably requested
by Bank; or if Maker furnishes or has furnished any financial or other
information or statements which are misleading in any material respect; or if a
default occurs under any instrument now or hereafter executed in connection with
or as security for this Note; thereupon, at the option of the Bank, this Note
and any and all other indebtedness of Maker to Bank shall become and be due and
payable forthwith without demand, notice of default or of intent to accelerate
the maturity hereof, notice of nonpayment, notice of acceleration, presentment,
protest or notice of dishonor, all of which are hereby, to the extent allowed by
law, expressly waived by Maker and each other liable party.

        The unpaid principal balance of this Note at any time shall be the total
amounts loaned or advanced hereunder by the holder hereof, less the amount of
payments or prepayments of principal made hereon by or for the account of Maker.
Maker may borrow, repay and reborrow, from time-to-time, prior to the maturity
hereof, up to the face amount hereof, or, up to the amount determined by any
formula set forth in any written agreement executed in connection herewith
between Maker and Bank, whichever is less.  It is contemplated that by reason of
prepayments hereon there may be times when no indebtedness is owing hereunder,
but notwithstanding such occurrences, this Note shall remain valid and shall be
in full force and effect as to loans or advances made pursuant to and under the
terms of this Note subsequent to each such occurrence.  All loans or advances
and all payments or prepayments made hereunder on account of principal or
interest may be endorsed (and shall so be endorsed prior to any transfer of this
Note) by the holder hereof on a schedule on the back hereof and/or on additional
schedule pages attached hereto from time-to-time by the holder hereof.  In all
events, the business records of the Bank, whether computer records or otherwise,
shall be conclusive of the amount owed by Maker hereunder.  In the event that
the unpaid principal amount hereof at any time, for any reason, exceeds the
maximum amount hereinabove specified, Maker covenants and agrees to pay the
excess principal amount forthwith upon demand; such excess principal amount
shall in all respects be deemed to be included among the loan or advances made
pursuant to the other terms of this Note and shall bear interest at the rates
hereinabove stated.

        Advances hereunder will be made by the holder hereof pursuant to the
terms of the Letter Loan Agreement executed by Maker and Bank on even date
herewith, as amended from time to time.  Any loan or advance shall be
conclusively presumed to have been made under the terms of this Note to or for
the benefit of Maker when made pursuant to the terms of such Letter Loan
Agreement, as amended from time to time.

        If this Note is not paid at maturity whether by acceleration or
otherwise and is placed in the hands of an attorney for collection, or suit is
filed hereon, or proceedings are had in probate, bankruptcy, receivership,
reorganization, arrangement or other legal proceedings for collection hereof,
Maker agrees to pay Bank its collection costs, including reasonable attorney's
fees.  Maker is and shall be directly and primarily, jointly and severally,
liable for the payment of all sums called for hereunder, and Maker hereby
consents to and agrees to remain liable hereon regardless of any renewals,
extensions for any period or rearrangements hereof, or partial prepayments
hereon, or any release or substitution or security herefor, in whole or in part,
with or without notice, from time to time, before or after maturity.

        As security for the punctual payment and performance of the Note, and as
part of the security herefor, Maker hereby grants to Bank a security interest
in, and a pledge and assignment of, any and all money, property, deposit
accounts, accounts, securities, documents, chattel paper, claims, demands,
instruments, items or deposits of the Maker, and each of them, or to which any
of them is a party, now held or hereafter coming within Bank's custody or
control, including without limitation, all certificates of deposit and other
depository accounts,

                                                                      /s/ GF
                                                                      ----------
                                                                      (INITIALS)


                                  Page 2 of 4 Pages

<PAGE>

whether such have matured or the exercise of Bank's rights results in loss of
interest or principal or other penalty on such deposits, but excluding deposits
subject to tax penalties if assigned.  Without prior notice to or demand upon
the Maker, Bank may exercise its rights granted above at any time when a default
has occurred.  Bank's rights and remedies under this paragraph shall be in
addition to and cumulative of any other rights or remedies at law and equity,
including, without limitation, any rights of set-off to which Bank may be
entitled.

        This Note is additionally secured by all assets of Maker except certain
vehicles that are collateral for a loan or loans at Southwest Bank of Texas,
N.A.

        It is the intention of Maker and Bank to conform strictly to applicable
usury laws.  Accordingly, if the transactions contemplated hereby would be
usurious under applicable law, then, in that event, notwithstanding anything to
the contrary in any agreement entered into in connection with or as security for
this Note, it is agreed as follows: (i) the aggregate of all consideration which
constitutes interest under applicable law that is taken, reserved, contracted
for, charged or received under this Note or under any of the other aforesaid
agreements or otherwise in connection with this Note shall under no
circumstances exceed the maximum amount of interest allowed by applicable law,
and any excess shall be credited on this Note by the holder hereof (or, if this
Note shall have been paid in full, refunded to Maker); and (ii) in the event
that maturity of this Note is accelerated by reason of an election by the holder
hereof resulting from any default hereunder or otherwise, or in the event of any
required or permitted prepayment, then such consideration that constitutes
interest may never include more than the maximum amount allowed by applicable
law, and excess interest, if any, provided for in this Note or otherwise shall
be canceled automatically as of the date of such acceleration or prepayment and,
if theretofore prepaid, shall be credited on this Note (or if this Note shall
have been paid in full, refunded to Maker).

        Maker reserves the option of prepaying the principal of this Note, in
whole or in part, at any time after the date hereof without penalty.  At the
option of Bank, it may demand (at any time at or after prepayment) all accrued
and unpaid interest with respect to the principal amount prepaid through the
date of prepayment.  All payments made hereunder, whether designated as payments
of principal or interest, shall be applied to the principal or interest of this
Note or to expenses provided for herein, or any combination of the foregoing, as
directed by the holder of this Note at its option.

        This Note shall be construed under and governed by the laws of the State
of Texas (including applicable federal law), but in any event Tex. Rev. Civ.
Stat. Ann. art. 5069 ch. 15 (which regulates certain revolving credit loan
accounts and revolving triparty accounts) shall not apply to the loan evidenced
by this Note.

        If this Note bears interest at a varying rate, unless changed in
accordance with law, the applicable method of calculating the usury ceiling rate
under Texas law shall be in the indicated (weekly) ceiling rate from time to
time in effect, as provided in Tex. Rev. Civ. Stat. Ann. art. 5069-1.04, as
amended.

        AGREEMENT FOR BINDING ARBITRATION.  The parties agree to be bound by the
terms and provisions of the current Arbitration Program of First Interstate Bank
of Texas, N.A. which is incorporated by reference herein and is acknowledged as
received by the parties, pursuant to which any and all disputes shall be
resolved by mandatory binding arbitration upon the request of any party.

                                                                      /s/ GF
                                                                      ----------
                                                                      (INITIALS)



                                  Page 3 of 4 Pages

<PAGE>


        This Note is subject to the terms and conditions of a Letter Loan
Agreement executed by Bank and Maker on even date herewith.

                                             MAKER:

                                             COMPRESSOR DYNAMICS, INC., a
                                             Delaware corporation



                                             By:/s/ Gary Farr
                                                -------------------------
                                                Gary Farr, President


                                  Page 4 of 4 Pages

<PAGE>


                                      TERM NOTE


September 18, 1995               Houston, Texas                    $2,833,338.00


       For value received, the undersigned (hereinafter called "Maker")
promises to pay to the order of FIRST INTERSTATE BANK OF TEXAS, N.A.
(hereinafter called "Bank") at its offices at 1000 LOUISIANA, HOUSTON, TEXAS
77002, in lawful money of the United States of America the sum of TWO MILLION
EIGHT HUNDRED THIRTY-THREE THOUSAND THREE HUNDRED THIRTY-EIGHT AND NO/100
DOLLARS ($2,833,338.00) together with interest thereon from the date hereof
until maturity at the rate of EIGHT PER CENT (8.00%) per annum.  As used in this
Note, the term "Highest Lawful Rate" shall mean the maximum rate of nonusurious
interest allowed by law as now in effect, or as allowed by law as may hereafter
be in effect.

       All past due principal and interest shall bear interest at the Highest
Lawful Rate from maturity until paid.  Interest shall be computed on a per annum
basis of a year of 365 or 366 days, as the case may be, and for the actual
number of days (including the first but excluding the last day) elapsed.

       Principal and accrued interest on this Note are due and payable as
       follows:

       In quarterly principal installments of $166,666.00 each, plus
       interest, the first such installment shall be due and payable on
       the 6th day of October, 1995, and like installments shall be due
       and payable on the same day of each third month thereafter until
       October 6, 1999, when the entire balance of unpaid principal and
       unpaid accrued interest shall be due and payable.

       If any installment or payment of principal or interest of this Note is
not paid when due; or if Maker shall become insolvent (however such insolvency
may be evidenced); or if any proceeding, procedure or remedy supplementary to or
in enforcement of judgement shall be resorted to or commenced against Maker, or
with respect to any property of it; or if any governmental authority or any
court at the instance thereof shall take possession of any substantial part of
the property of or assume control over the affairs or operations of, or a
receiver shall be appointed for or take possession of the property of, or a writ
or order of attachment or garnishments shall be issued or made against any of
the property of Maker; or if any material indebtedness for which Maker is
primarily or secondarily liable shall not be paid when due or shall become due
and payable by acceleration of maturity thereof, or if any event or condition
shall occur which shall permit the holder of any such material indebtedness to
declare it due and payable upon the lapse of time, giving of notice or
otherwise; or if Maker shall be dissolved, wound up, liquidated or otherwise
terminated, or a party to any merger or consolidation without the written
consent of Bank; or if Maker shall sell substantially all or an integral portion
of its assets without written consent of Bank; or if Maker fails to furnish
financial information reasonably requested by Bank; or if Maker furnishes or has
furnished any financial or other information or statements which are misleading
in any material respect; or if a default occurs under any instrument now or
hereafter executed in connection with or as security for this Note; thereupon,
at the option of the Bank, this Note and any and all other indebtedness of Maker
to Bank shall become and be due and payable forthwith without demand, notice of
default or of intent to accelerate the maturity hereof, notice of nonpayment,
notice of acceleration, presentment, protest or notice of dishonor, all of which
are hereby, to the extent allowed by law, expressly waived by Maker and each
other liable party.

       If this Note is not paid at maturity whether by acceleration or
otherwise and is placed in the hands of an attorney for collection, or suit is
filed hereon, or proceedings are had in probate, bankruptcy, receivership,
reorganization, arrangement or other legal proceedings for
                                                                        /s/ GF
                                                                    ------------
                                                                      (INITIALS)


                                  Page 1 of 3 Pages

<PAGE>

collection hereof, Maker agrees to pay Bank its collection costs, including
reasonable attorney's fees.  Maker is and shall be directly and primarily,
jointly and severally, liable for the payment of all sums called for hereunder,
and Maker hereby consents to and agrees to remain liable hereon regardless of
any renewals, extensions for any period or rearrangements hereof, or partial
prepayments hereon, or any release or substitution or security herefor, in whole
or in part, with or without notice, from time to time, before or after maturity.

       As security for the punctual payment and performance of the Note, and as
part of the security herefor, Maker hereby grants to Bank a security interest
in, and a pledge and assignment of, any and all money, property, deposit
accounts, accounts, securities, documents, chattel paper, claims, demands,
instruments, items or deposits of the Maker, and each of them, or to which any
of them is a party, now held or hereafter coming within Bank's custody or
control, including without limitation, all certificates of deposit and other
depository accounts, whether such have matured or the exercise of Bank's rights
results in loss of interest or principal or other penalty on such deposits, but
excluding deposits subject to tax penalties if assigned.  Without prior notice
to or demand upon the Maker, Bank may exercise its rights granted above at any
time when a default has occurred.  Bank's rights and remedies under this
paragraph shall be in addition to and cumulative of any other rights or remedies
at law and equity, including, without limitation, any rights of set-off to which
Bank may be entitled.

       This Note is additionally secured by all assets of Maker except certain
vehicles that are collateral for a loan or loans at Southwest Bank of Texas,
N.A.

       It is the intention of Maker and Bank to conform strictly to applicable
usury laws.  Accordingly, if the transactions contemplated hereby would be
usurious under applicable law, then, in that event, notwithstanding anything to
the contrary in any agreement entered into in connection with or as security for
this Note, it is agreed as follows: (i) the aggregate of all consideration which
constitutes interest under applicable law that is taken, reserved, contracted
for, charged or received under this Note or under any of the other aforesaid
agreements or otherwise in connection with this Note shall under no
circumstances exceed the maximum amount of interest allowed by applicable law,
and any excess shall be credited on this Note by the holder hereof (or, if this
Note shall have been paid in full, refunded to Maker); and (ii) in the event
that maturity of this Note is accelerated by reason of an election by the holder
hereof resulting from any default hereunder or otherwise, or in the event of any
required or permitted prepayment, then such consideration that constitutes
interest may never include more than the maximum amount allowed by applicable
law, and excess interest, if any, provided for in this Note or otherwise shall
be canceled automatically as of the date of such acceleration or prepayment and,
if theretofore prepaid, shall be credited on this Note (or if this Note shall
have been paid in full, refunded to Maker).

       Maker reserves the option of prepaying the principal of this Note, in
whole or in part, at any time after the date hereof without penalty.  At the
option of Bank, it may demand (at any time at or after prepayment) all accrued
and unpaid interest with respect to the principal amount prepaid through the
date of prepayment.  All payments made hereunder, whether designated as payments
of principal or interest, shall be applied to the principal or interest of this
Note or to expenses provided for herein, or any combination of the foregoing, as
directed by the holder of this Note at its option.

       This Note shall be construed under and governed by the laws of the State
of Texas (including applicable federal law), but in any event Tex. Rev. Civ.
Stat. Ann. art. 5069 ch. 15 (which regulates certain revolving credit loan
accounts and revolving triparty accounts) shall not apply to the loan evidenced
by this Note.

       AGREEMENT FOR BINDING ARBITRATION.  The parties agree to be bound by the
terms and provisions of the current Arbitration Program of First Interstate Bank
of Texas, N.A. which is incorporated by reference herein and is acknowledged as
received by the parties, pursuant to which any and all disputes shall be
resolved by mandatory binding arbitration upon the request of any party.

                                                                       /s/ GF
                                                                    ------------
                                                                      (INITIALS)


                                  Page 2 of 3 Pages

<PAGE>

       This Note is subject to the terms and conditions of a Letter Loan
Agreement executed by Bank and Maker on even date herewith.



                                       MAKER:



                                       COMPRESSOR DYNAMICS, INC., a Delaware
                                       corporation

                                       By: /s/ Gary Farr
                                           ---------------------------------
                                           Gary Farr, President


                                  Page 3 of 3 Pages
<PAGE>



                             NOTICE AND ACKNOWLEDGMENT OF
                                  NO ORAL AGREEMENTS


    This agreement (this "Agreement") is made and entered into by and among the
undersigned effective the 18 day of September, 1995.

                                     DEFINITIONS

    As used in this Agreement, the following terms shall have the following
    meanings:

    PARTIES:  The undersigned persons and entities.

    NOTES:  That certain Master Revolving Line of Credit Note dated
    September 18, 1995, in the amount of $1,000,000.00, executed by
    COMPRESSOR DYNAMICS, INC., A DELAWARE CORPORATION, and that certain
    Term Note dated September 18, 1995, in the amount of $2,833,338.00,
    executed by COMPRESSOR DYNAMICS, INC., A DELAWARE CORPORATION.

    LOAN DOCUMENTS:  This Agreement and any and all promissory notes
    (including, without limitation, the Notes), loan agreements, security
    agreements, assignments, pledges, owner's consent to pledges, letters
    of credit, and all other loan documents executed in connection with or
    otherwise relating to This Loan.

    THIS LOAN:  The transaction comprised of the extension of credit and
    all related agreements and accommodations by or among any of the
    Parties evidenced by or contained in any of the Loan Documents.

                                      AGREEMENTS

    In consideration of the extension of This Loan, and for other good and
valuable consideration, the receipt and sufficiency of which are acknowledged by
each of the Parties, the Parties (i) agree that each Party's execution of this
Agreement constitutes acknowledgment that such Party has read and understands
this Agreement, and that it is intended to be a part of and is incorporated by
reference into each of the Loan Documents; (ii) acknowledge receipt of the
following Notice; and (iii) to the extent allowed by law, agree to be bound by
the terms of this Agreement and the following Notice:

    NOTICE:  THIS DOCUMENT AND ALL OTHER DOCUMENTS RELATING TO THIS LOAN
    CONSTITUTE A WRITTEN LOAN AGREEMENT WHICH REPRESENTS THE FINAL
    AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE
    OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE
    PARTIES.

    THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES RELATING TO
    THIS LOAN.

    AGREEMENT FOR BINDING ARBITRATION.  The undersigned Parties, along with any
other parties to any Loan Document incorporating the terms and provisions of the
current

<PAGE>

Arbitration Program of First Interstate Bank of Texas, N.A., agree to be bound
by the terms and provisions of said Arbitration Program, pursuant to which any
and all disputes shall be resolved by mandatory binding arbitration upon the
request of any party.  The terms and provisions of Lender's current Arbitration
Program are incorporated by reference herein.  The Parties each hereby
acknowledge receipt of a copy of said Arbitration Program.

    EXECUTED as of the date first above stated.

                                  BANK:

                                  FIRST INTERSTATE BANK OF TEXAS, N.A.



                                  By:
                                      ----------------------------------
                                      Randy Wade, Banking Officer


                                  BORROWER:

                                  COMPRESSOR DYNAMICS, INC., a Delaware
                                  corporation



                                  By: /s/ Gary Farr
                                      ----------------------------------
                                      Gary Farr, President


THE STATE OF TEXAS      )
                        )
COUNTY  OF  HARRIS      )

    This instrument was acknowledged before me on the ______ day of September,
1995, by Randy Wade, Banking Officer of FIRST INTERSTATE BANK OF TEXAS, N.A., on
behalf of said bank.



                                  -------------------------------------
                                  NOTARY PUBLIC IN AND FOR
                                  THE STATE OF TEXAS


                                  -------------------------------------
                                  Printed Name of Notary
                                  My Commission Expires:
                                                        ---------------


                                        - 2 -

<PAGE>

THE STATE OF TEXAS      )
                        )
COUNTY  OF  HARRIS      )

    This instrument was acknowledged before me on the 18th day of September,
1995, by Gary Farr, President of COMPRESSOR DYNAMICS, INC., a Delaware
corporation, on behalf of said corporation.


         [SEAL]                    /s/Julie A. Cramer
                                  -------------------------------------
                                  NOTARY PUBLIC IN AND FOR
                                  THE STATE OF TEXAS
                                   /s/Julie A. Cramer
                                  -------------------------------------
                                  Printed Name of Notary
                                  My Commission Expires: 11-29-98
                                                         ---------------



                                        - 3 -
<PAGE>


[logo]                           ARBITRATION PROGRAM



         (A)     BINDING ARBITRATION. Upon the demand of any party, whether
made before or after the institution of any judicial proceeding, any Dispute (as
defined below) shall be resolved by binding arbitration in accordance with the
terms of this Arbitration Program. A "Dispute" shall include any action,
dispute, claim, or controversy of any kind, whether in contract or in tort,
statutory or common law, legal or equitable, or otherwise, now existing or
hereafter arising between the parties in any way arising out of, pertaining to
or in connection with (1) any agreement, document or instrument to which this
Arbitration Program is attached or in which it is referred to or any related
agreements, documents, or instruments (the "Documents"),(2) all past, present,
or future loans, notes, instruments, drafts, credits, accounts, deposit
accounts, safe deposit boxes, safekeeping agreements, guarantees, letters of
credit, goods or services, or other transactions, contracts or agreements of any
kind whatsoever,(3) any past, present or future incidents, omissions, acts,
errors, practices, or occurrences causing injury to either party whereby the
other party or its agents, employees or representatives may be liable, in whole
or in part, or (4) any other aspect of the past, present, or future
relationships of the parties including any agency, independent contractor or
employment relationship but excluding claims for workers' compensation and
unemployment benefits ("Relationship"). Any party to this Arbitration Program
may by summary proceedings bring any action in court to compel arbitration of
any Dispute. Any party who fails or refuses to submit to binding arbitration
following a lawful demand by the opposing party shall bear all costs and
expenses incurred by the opposing party in compelling arbitration of any
Dispute. The parties agree that by engaging in activities with or involving each
other as described above, they are participating in transactions involving
interstate commerce. THE PARTIES UNDERSTAND THAT PURSUANT TO THIS ARBITRATION
PROGRAM, DISPUTES SUBMITTED TO ARBITRATION WILL NOT BE DECIDED THROUGH
LITIGATION IN FEDERAL OR STATE COURTS BEFORE A JUDGE OR JURY.

         (b)     GOVERNING RULES. All Disputes between the parties submitted to
arbitration shall be resolved by binding arbitration administered by the
American Arbitration Association (the "AAA") in accordance with the Commercial
Arbitration Rules of the AAA, the Federal Arbitration Act (Title 9 of the United
States Code) and to the extent the foregoing are inapplicable, unenforceable or
invalid, the laws of the State of Texas. In the event of any inconsistency
between this Arbitration Program and such rules and statutes, this Arbitration
Program shall control. Judgment upon any award rendered hereunder may be entered
in any court having jurisdiction; provided, however, that nothing contained
herein shall be deemed to be a waiver by any party that is a bank of the
protections afforded to it under 12 U.S.C. Section 91 or Texas Banking Code art.
342-609.

         (c)     NO WAIVER; PRESERVATION OF REMEDIES: MULTIPLE PARTIES. No
provision of, nor the exercise of any rights under, this Arbitration Program
shall limit the right of any party, during any Dispute, to seek, use, and employ
ancillary or preliminary remedies, judicial or otherwise, for the purposes of
realizing upon, preserving, protecting, foreclosing or proceeding under forcible
entry and detainer for possession of any real or personal property, and any such
action shall not be deemed an election of remedies. Such rights shall include,
without limitation, rights and remedies relating to (1) foreclosing against any
real or personal property collateral or other security, (2) exercising self-help
remedies including setoff rights or (3) obtaining provisional or ancillary
remedies such as injunctive relief, sequestration, attachment, garnishment, or
the appointment of a receiver from a court having jurisdiction. Such rights can
be exercised at any time except to the extent such action is contrary to a final
award or decision in any arbitration proceeding. The institution and maintenance
of an action for judicial relief or pursuit of provisional or ancillary remedies
or exercise of self-help remedies shall not constitute a waiver of the right of
any party, including the plaintiff, to submit the Dispute to arbitration, nor
render inapplicable the compulsory arbitration provisions hereof. In Disputes
involving indebtedness or other monetary obligations, each party agrees that the
other party may proceed against all liable persons, jointly or severally, or
against one or more of them, less than all, without impairing rights against
other liable persons. Nor shall a party be required to join the principal
obligor or any other liable persons, such as sureties or guarantors, in any
proceeding against a particular person. A party may release or settle with one
or more liable persons without releasing or impairing rights to proceed against
any persons not so related.


                                          1


<PAGE>


                               CERTIFICATE OF SECRETARY


    The undersigned, Secretary of COMPRESSOR DYNAMICS, INC., A DELAWARE
CORPORATION (the "Company"), does hereby certify to FIRST INTERSTATE BANK OF
TEXAS, N.A. (the "Lender"), as follows:

    1.   Attached hereto as EXHIBIT "A" is a true and correct copy of the
resolutions duly adopted by the Board of Directors of the Company, and such
resolutions have not been altered, amended, rescinded or repealed and are now in
full force and effect.

    2.   The person who, as officer of the Company, signed the Master Revolving
Line of Credit Note, Term Note, Commercial Security Agreement, Financing
Statements, Notice and Acknowledgment of No Oral Agreements, Letter Loan
Agreement and other documents which are referred to in such resolutions (the
"Closing Documents"), was at the time of such signing and delivery, and is now
duly elected, qualified and acting as such officer, and the signatures appearing
on the Closing Documents are genuine signatures of such officer.

    3.   The Closing Documents actually executed by the Company and delivered
to the Lender are in substantially the form of the documents submitted to and
approved by the Board of Directors of the Company pursuant to such resolutions.

    4.   I have reviewed the Articles of Incorporation and By-Laws of the
Company and hereby expressly represent unto the Lender that such Articles of
Incorporation and By-Laws contain no provisions which prohibit the transactions
with the Lender as evidenced by the Closing Documents.

    5.   The Company is duly organized and existing under the laws of the State
of Delaware, all franchise and other taxes required to maintain the corporate
existence have been paid when due and no such taxes are delinquent; no
proceedings are pending for the forfeiture of its Certificate of Incorporation
or for its dissolution, voluntary or involuntary; it is fully qualified and in
good standing to do business in all jurisdictions in which the nature of its
business requires to be qualified; there are no provisions in the Articles of
Incorporation or By-Laws of the Company limiting the power of the Board of
Directors of the Company to pass such resolutions.

    6.   The following person is as of the date hereof a duly elected,
qualified and acting officer of the Company holding the office set forth below,
and the signature appearing next to his name is a genuine signature:


<PAGE>


    NAME                SIGNATURE                          OFFICE

    Gary Farr           /s/ Gary Farr                       President
                        -------------------------

    Steve Gillioz       /s/ Steve Gillioz                   Secretary
                        -------------------------


    IN WITNESS WHEREOF, I have hereunto signed my name this    19   day of
                                                             ------
 September, 1995.




                                    /s/ Steve Gillioz
                                   ----------------------------------------
                                  Steve Gillioz, Secretary


                                         -2-
<PAGE>

                                     EXHIBIT "A"

    RESOLVED, that the Board of Directors of COMPRESSOR DYNAMICS, INC., A
    DELAWARE CORPORATION (the "Company") do hereby authorize GARY FARR,
    President, on behalf of the Company to negotiate a revolving loan of
    $1,000,000.00 and a term loan of $2,833,338.00 (the "Loans") from
    FIRST INTERSTATE BANK OF TEXAS, N.A. (the "Lender") to be made to the
    Company and to execute and deliver for and on behalf of the Company
    the Master Revolving Line of Credit Note and Term Note required in
    connection with such Loans; and further

    RESOLVED, that GARY FARR and each officer of the Company are hereby
    authorized to execute and deliver on behalf of the Company (i) the
    Master Revolving Line of Credit Note payable to the order of the
    Lender, in substantially the form presented to this meeting, with such
    changes therein as a person executing the same shall approve, such
    approval to be conclusively evidenced by his execution thereof;
    (ii)the Term Note payable to the order of the Lender, in substantially
    the form presented to this meeting, with such changes therein as a
    person executing the same shall approve, such approval to be
    conclusively evidenced by his execution thereof; (iii) the Commercial
    Security Agreement in substantially the form presented to this
    meeting, with such changes therein as the person executing same shall
    approve, such approval to be conclusively evidenced by his execution
    thereof; (iv)the Letter Loan Agreement in substantially the form
    presented to this meeting, with such changes therein as the person
    executing the same shall approve and such approval to be conclusively
    evidenced by his execution thereof; (v) the Financing Statements in
    substantially the forms presented to this meeting, with such changes
    therein as the person executing same shall approve, such approval to
    be conclusively evidenced by his execution thereof; (vi)the Notice and
    Acknowledgment of No Oral Agreements in substantially the form
    presented to this meeting, with such changes therein as the person
    executing same shall approve, such approval to be conclusively
    evidenced by his execution thereof; and (vii) any and all
    documentation necessary to complete the contemplated transaction as
    may be reasonably requested from time to time by the Lender, all such
    documents hereinafter collectively referred to as the "Closing
    Documents"; and further

    RESOLVED, that GARY FARR and each officer of the Company are hereby
    authorized to execute and deliver on behalf of the Company and in such
    form as the Lender may require, any and all other agreements,
    instruments and documents which may be requested or required by the
    Lender and to take any and all other action relating to or in
    connection with the Closing Documents, and any renewals, extensions
    and modifications thereof; and further


                                         -3-
<PAGE>


    RESOLVED, that the signature of GARY FARR or any officer of the
    Company on any agreement, instrument or document is sufficient to bind
    the Company, no further signature shall be required; and further

    RESOLVED, that the Lender may rely on these resolutions and these
    resolutions shall remain in full force and effect until such time as
    notice to the contrary is duly delivered to the Lender and receipted
    for in writing by a Vice President or the President of the Lender


                                         -4-


<PAGE>


                          [FIRST INTERSTATE BANK LETTERHEAD]

                                September ______, 1995

Manifold Valve Services, Inc.
P. O. Box 1009
Jennings, Louisiana  70546

      Re:    $500,000.00 Master Revolving Line of Credit Note of even
             date herewith executed by Manifold Valve Services, Inc., a
             Delaware corporation ("Borrower") payable to the order of
             First Interstate Bank of Texas, N.A. ("Bank").

Gentlemen:

        This letter evidences the agreement ("Agreement") by and between
Borrower, whose address for all purposes is as set forth above, and Bank, whose
address for all purposes is 1300 Post Oak Blvd., Houston, Texas  77056.


                                      ARTICLE I

                                     DEFINITIONS

      Section 1.01  CERTAIN DEFINITIONS.  In addition to the defined terms set
forth elsewhere herein, the following terms shall mean:

      "ACCOUNT DEBTOR" shall mean the person or entity obligated on any account
      owing to Borrower.

      "AGREEMENT" shall mean this Agreement.

      "BUSINESS DAY" shall mean a day on which business is transacted by
      national banks in Houston, Texas.

      "CAPITAL EXPENDITURES" shall mean the aggregate of all expenditures
      (whether paid in cash or accrued as liabilities and including
      expenditures for capitalized lease obligations) by Borrower that are
      required by generally accepted accounting principles to be included in or
      reflected by the property, plant, or equipment or similar fixed asset

<PAGE>

      accounts, or in intangible accounts subject to amortization in the
      balance sheet of Borrower.

      "COMMITMENT" shall mean the sum of $500,000.00.

      "CURRENT ASSETS" shall mean all assets of Borrower that would be
      reflected as current assets on a balance sheet of Borrower prepared in
      accordance with generally accepted accounting principles.

      "CURRENT LIABILITIES" shall mean any liabilities of Borrower which would
      be reflected as current liabilities on a balance sheet of Borrower
      prepared in accordance with generally accepted accounting principles.

      "ELIGIBLE ACCOUNTS" shall mean an account which is and shall at all times
      continue to be acceptable to Bank in all respects and in which Bank has a
      first priority, perfected security interest.  In general, except as fixed
      and revised from time to time by Bank in writing, an account which
      continuously meets each of the following requirements is an Eligible
      Account:

             (a)    It is lawfully owned by Borrower and Borrower has the right
             to transfer any interest therein;

             (b)    If it arises from the sale or lease of goods, and the goods
             have been shipped or delivered to the person or entity which is
             obligated on the account;

             (c)    If it arises from the performance of services, such
             services have been fully rendered;

             (d)    It is a valid obligation of the Account Debtor, enforceable
             in accordance with its terms and is free and clear of all liens,
             security interests, restrictions, set-offs, adverse claims,
             prepayments and the like other than the security interest of Bank;

             (e)    It is evidenced by an invoice rendered to the Account
             Debtor;

             (f)    It has not aged more than ninety (90) days from the due
             date of the invoice of such account;

             (g)    It is not owed by an Account Debtor closely affiliated
             with, related to, a subsidiary of, employed by or an officer of
             Borrower, or domiciled outside of the United States of America,
             unless such foreign account is accepted by Bank in writing; and

                                          2

<PAGE>

             (h)    It is not subject to any retainage, the result of a sale on
             a bill and hold basis, a contra account, a U.S. government or
             agency account or a consignment account.

             As to any one Account Debtor, if more than twenty-five (25%)
      percent of the accounts owed by such Account Debtor to Borrower are
      unpaid more than one hundred fifteen (115) days from the date of invoice,
      then none of the accounts of such Account Debtor owing to Borrower shall
      be considered Eligible Accounts.

             In addition, as to any one Account Debtor, if the total of
      accounts owed by such Account Debtor to Borrower exceed ten percent (10%)
      of the Borrower's total accounts, then none of the accounts of such
      Account Debtor in excess of ten per cent (10%) of Borrower's total
      accounts shall be considered as Eligible Accounts; provided, however,
      such ten per cent (10%) limitation shall be increased to twenty per cent
      (20%) for accounts owed by Diamond Offshore Co., Helmrich & Payne Co.,
      Sedco Drilling Co., Hercules Drilling, Sundowner Offshore Services, Noble
      Drilling and Ensco Offshore and Global Marine Drilling Co. to Borrower
      such that only the accounts of each of those Account Debtor in excess of
      twenty per cent (20%) of Borrower's total accounts shall not qualify as
      Eligible Accounts.

      "ERISA" shall mean the Employee Retirement Income Security Act of 1974,
      as amended, and all applicable regulations adopted thereunder by the
      Internal Revenue Service and the Department of Labor.

      "EVENT OF DEFAULT" shall mean any of the Events of Default contained in
      Section 6.01 hereof.

      "INDEBTEDNESS" with respect to Borrower shall mean, at any date, all
      liabilities which would be reflected on a balance sheet of Borrower
      prepared as of such date in accordance with generally accepted accounting
      principles, except for Subordinated Debt.

      "INTANGIBLE ASSETS" shall mean those assets of Borrower which are (i)
      good will, including any amounts (however designated on such balance
      sheet) representing the cost of acquisition of subsidiaries in excess of
      underlying tangible assets, unless an appraisal of such assets made by a
      reputable firm of appraisers at the time of such acquisition indicates
      sufficient value to cover such excess, (ii) any amount by which
      investments in persons or entities appearing on the asset side of such
      balance sheet exceed the proportionate share of the person or entity and
      its subsidiaries in the book value of the assets of such persons or
      entities, and (iii) patents, trademarks, copyrights, deferred charges
      (including, but not limited to unamortized discount and expenses,
      organizational expenses, experimental and developmental expenses, but
      excluding prepaid expense), intangibles and other similar assets.

                                          3

<PAGE>

      "LOAN FORMULA CERTIFICATE AND CERTIFICATE OF NO DEFAULT" shall mean the
      certificate regarding Eligible Accounts, which certificate is to be in
      the form of EXHIBIT "A" attached hereto.

      "LOCK BOX" shall mean an arrangement by which Account Debtors are
      instructed by the Borrower to mail payments owing on accounts to Borrower
      to a post office box mailing address designated by the Bank.  Such post
      office box mailing address to be under the sole and exclusive control of
      the Bank.

      "NOTE" shall mean the Master Revolving Line of Credit Note in the
      principal amount of $500,000.00 delivered pursuant to Article II hereof
      and all extensions, renewals, modifications and rearrangements and
      enlargements thereof.

      "OBLIGATIONS" shall mean the outstanding principal balance and accrued
      unpaid interest owing on the Note and any and all other indebtedness,
      liabilities and obligations whatsoever of Borrower to Bank under the Note
      or the Security Instruments or otherwise, whether direct or indirect,
      absolute or contingent, due or to become due, and whether now existing or
      hereafter arising, and howsoever evidenced or acquired, whether joint or
      several, and whether evidenced by note, draft, acceptance, guaranty, open
      account, letter of credit, surety agreement or otherwise, it being
      contemplated by the parties hereto that Borrower may become indebted to
      Bank in further sum or sums.

      "PLAN" shall mean any pension plan that is covered by Title IV of ERISA
      maintained by Borrower, or any plan to which the Borrower is required to
      contribute on behalf of its employees.

      "REVOLVING CREDIT ADVANCE" shall mean an advance to Borrower or
      Borrower's account funded under the Note.

      "REVOLVING LOAN LIMIT" shall mean at any time an amount equal to the sum
      of 80% of Eligible Accounts.

      "SECURITY INSTRUMENTS" shall mean all documents executed in connection
      with or as security for the Note and the Obligations, including, without
      limitation, the instruments referred to in Article III hereof.

      "SUBORDINATED DEBT" shall mean any liability of Borrower calculated in
      accordance with generally accepted accounting principles, heretofore or
      hereafter incurred, and which by the express terms of a subordination
      agreement in form and substance reasonably satisfactory to Bank is
      validly and effectively made subordinate to payment of the Note and the
      Obligations.

      "TANGIBLE ASSETS" shall mean, as of any date, the aggregate book value of
      the assets of Borrower that would be reflected on a balance sheet
      prepared as of such date in

                                          4

<PAGE>

      accordance with generally accepted accounting principles, less the
      aggregate book value of Intangible Assets at such date.

      "TANGIBLE NET WORTH" shall mean, as of any date, the amount by which
      Tangible Assets as of such date exceed the Indebtedness.

                                      ARTICLE II

                                      THE LOANS

      Section 2.01  REVOLVING LINE OF CREDIT.

      (a)  Bank has approved and extended to Borrower a $500,000.00 revolving
      line of credit evidenced by the Note.  Borrower will utilize such
      revolving line of credit by making a request for Revolving Credit
      Advances in accordance with Section 2.02 hereof in order to provide
      Borrower with working capital.  Upon the execution of this Agreement an
      initial advance shall be made to payoff the outstanding principal balance
      owing on the Master Revolving Line of Credit Note in the amount of
      $500,000.00 dated February 7, 1994, executed by Manifold Valve Services,
      Ltd. payable to Bank.  Manifold Valve Services, Ltd. was a limited
      partnership that has been purchased by the Borrower.  At any time there
      exists any Event of Default, Bank shall not be obligated to make any
      Revolving Credit Advances under the Note.  Subject to such limitations
      and upon the terms and conditions of this Agreement, Bank may lend to
      Borrower, and Borrower may borrow from Bank an aggregate amount at any
      one time outstanding not to exceed $500,000.00; provided however,
      aggregate Revolving Credit Advances shall not exceed the Revolving Loan
      Limit.  During the period from the date of this Agreement to and
      including the maturity date under the Note, Borrower may borrow, repay
      and reborrow hereunder.  Each Revolving Credit Advance shall be evidenced
      by the Note and shall automatically increase the principal balance owed
      on the Note.

      (b)  Subject to the terms hereof and the limitations set forth above,
      Bank agrees to advance up to an aggregate $500,000.00 in Revolving Credit
      Advances provided that the Revolving Credit Advances are used for working
      capital for Borrower or other uses approved in writing by Bank prior to
      the making of the Revolving Credit Advance by Bank.

      Section 2.02  MAKING OF ADVANCES.  Each request by Borrower for a
Revolving Credit Advance under this Article II may be made by verbal request by
Borrower, provided that Borrower has submitted the required Loan Formula
Certificates and Certificates of No Default and has otherwise complied with the
terms of this Agreement.  All Revolving Credit Advances when funded shall be
deposited into any lawful account requested by Borrower and Borrower shall pay
all costs associated with such deposits.

                                          5
<PAGE>

      Section 2.03  REVOLVING CREDIT ADVANCES OVER REVOLVING LOAN LIMIT.  Bank
shall have no obligation to advance and Borrower shall not be entitle to any
Revolving Credit Advance that would cause all of the Revolving Credit Advances
under the Note to exceed the Revolving Loan Limit.  If, at any time prior to the
maturity date under the Note, the outstanding Revolving Credit Advances under
the Note exceed the Revolving Loan Limit, Borrower shall immediately prepay on
the Note such amount as necessary to eliminate such excess.

      Section 2.04  CONDITIONS TO MAKING ADVANCES.  The obligation of Bank to
make Revolving Credit Advances is subject to the following conditions precedent:

      (a)    the Bank's having received and approved a current Loan Formula
      Certificate and Certificate of No Default as required herein;

      (b)    that no Event of Default has occurred and is continuing, and no
      event has occurred and is continuing which with the giving of notice or
      passage of time, or both would be an Event of Default;

      (c)    that no material adverse change has occurred in the business or
      financial condition of Borrower since the date of this Agreement;

      (d)    that no proceeding or case under the United States Bankruptcy Code
      shall have been commenced by or against Borrower; and 

      (e)    Bank shall have received any other instruments deemed reasonably
      necessary by Bank.

      Section 2.05  PREPAYMENTS.  The Borrower may, without notice, premium or
penalty, prepay the Note at any time, in whole or in part, as provided in the
Note.

                                     ARTICLE III

                                      COLLATERAL

      Section 3.01  SECURITY INSTRUMENTS. As security for the payment of the
Note and Obligations and performance of Borrower's obligations under this
Agreement, Borrower has delivered or will deliver to Bank the following:

      (a)    a Commercial Security Agreement in form satisfactory to Bank
      granting Bank a first priority security interest in all of Borrower's
      assets; and

      (b)    all other instruments necessary to give Bank a perfected security
      interest and/or lien in and to the assets of Borrower used as collateral
      and security for the Note.

                                          6

<PAGE>

      The Note and all amounts which may become due and owing by Borrower to
Bank hereunder are secured by the Security Instruments.  

      Section 3.02  CURING DEFECTS. It is agreed that Borrower will cure any
title defects in and to all interest and rights covered by the Security
Instruments as necessary to provide Bank the security interest in the property
therein described.  In the event any such defects are not cured by Borrower
within forty-five (45) days after notice thereof by Bank to Borrower, Borrower
authorizes Bank to retain legal counsel to cure same and to charge all related
reasonable costs and fees to Borrower, or, at Bank's option, to declare the Note
to be immediately due and payable and any cost and fees incurred to cure any
such defects shall be payable on demand, shall become a part of the principal
indebtedness under the Note, and shall be secured by the Security Instruments.  

                                      ARTICLE IV

                            REPRESENTATIONS AND WARRANTIES

      Section 4.01  REPRESENTATIONS AND WARRANTIES. To induce Bank to enter
into this Agreement, Borrower represents and warrants to Bank as follows:

      (a)    Borrower is not in default with respect to any of its existing
      indebtedness to any party, and the performance of Borrower's obligations
      under this Agreement, or under any document or instruments referred to
      herein, will not result in a default or in the creation or imposition of
      any security interest in, or lien or encumbrance upon, any of the assets
      of Borrower under any other contract, agreement or instrument to which
      Borrower is a party or by which Borrower or its property is bound;

      (b)    This Agreement, the Note, the Security Instruments and any other
      documents executed in connection with the Note, when executed and
      delivered, will be valid, binding and enforceable in accordance with
      their respective terms; 

      (c)    All financial statements or other information of Borrower which
      have been submitted heretofore to Bank are materially complete and
      correct, have been prepared in accordance with generally accepted
      accounting principles and fairly reflect the financial condition of
      Borrower for the period or periods indicated.  No material adverse change
      has occurred in the condition of Borrower, financial or otherwise,
      subsequent to the date or dates of any such financial statements or other
      information;

      (d)    There are no actions, suits, or proceedings pending or threatened
      against or affecting Borrower which involve the possibility of any
      judgment or liability which, in the opinion of management, may materially
      and adversely affect the business or assets of Borrower or its ability to
      carry on its business as now conducted;

                                          7

<PAGE>

      (e)    Borrower is not in default under any order, writ, injunction, or
      decree of any court or governmental agency which may result in a material
      adverse change in the business, operations, properties, or assets of
      Borrower;

      (f)    No part of the proceeds received by Borrower on the Note will be
      used, directly or indirectly, for the purpose of purchasing or carrying,
      or the payment in whole or in part, of indebtedness which was incurred
      for the purpose of purchasing or carrying, any margin stock, as such term
      is defined in Section 221.3 of Regulation U of the Board of Governors of
      the Federal Reserve System, 12 C.F.R., Part 221.  No part of the proceeds
      received by Borrower hereunder will be used for any purpose which
      violates Regulation X of the Board of Governors of the Federal Reserve
      System, 12 C.F.R., Part 224;

      (g)    No approvals or consents of any government or administrative
      agency having jurisdiction over Borrower are necessary or required to
      permit Borrower to enter into this Agreement, the Note or the Security
      Instruments;

      (h)    Borrower has and will continue to have good and indefeasible
      title, free and clear of all liens, security interests and encumbrances,
      to all of the collateral securing the Note;

      (i)    Borrower is in compliance in all material respects with the
      applicable provisions of ERISA, and to the best of the Borrower's
      knowledge, no "reportable event", as such term is defined in Section 4043
      of ERISA, has occurred with respect to any Plan of the Borrower;

      (j)    Borrower is not an "investment company" or a company "controlled"
      by an "investment company," within the meaning of the Investment Company
      Act of 1940, as amended; and

      (k)    The Borrower is duly formed and existing under the laws of the
      State of Delaware, all franchise and other taxes required to maintain the
      existence of Borrower have been paid when due and no such taxes are
      currently delinquent; no proceedings are pending for the forfeiture of
      Borrower's Certificate of Incorporation or for its dissolution, voluntary
      or involuntary; Borrower's principal office is located in Jennings,
      Louisiana; and to its knowledge the Borrower is fully qualified,
      authorized and in good standing to do business in all jurisdictions in
      which the nature of its business requires it to be qualified and
      authorized to do business.

                                          8

<PAGE>

                                      ARTICLE V

                                      COVENANTS

      Section 5.01  BORROWER'S AFFIRMATIVE COVENANTS.  Borrower covenants and
agrees that until the full and final payment of the Note, and any and all
renewals, extensions, modifications and rearrangements thereof, and of any and
all other amounts secured or to be secured by the Security Instruments that:

      (a)    Borrower shall promptly furnish to Bank, within forty-five (45)
      days of the end of each calendar quarter, (i) in-house prepared unaudited
      financial statements of Borrower; (ii) an aging and listing of all
      accounts receivable and accounts payable of Borrower, and (iii) a Loan
      Formula Certificate and Certificate of No Default, all of such items to
      be signed and certified by an officer of Borrower;

      (b)    Borrower shall furnish to Bank, within forty-five (45) days after
      the end of each fiscal year of Borrower, in-house prepared unaudited
      annual financial statements of Borrower, such financial statements to be
      signed and certified by an officer of Borrower;

      (c)    Borrower shall furnish to Bank, within ninety (90) days after the
      end of each fiscal year of Borrower, audited annual consolidated
      financial statements and 10-K filings on its parent company, Catalyst
      Energy Services, Inc., prepared by a Certified Public Accountant in form
      and content reasonably acceptable to Bank;

      (d)    Borrower shall furnish to Bank a copy of Catalyst Energy Services,
      Inc.'s Federal Income Tax Return within sixty (60) days of filing with
      the Internal Revenue Service;

      (e)    Borrower shall furnish from time to time such further information
      regarding the business affairs, accounts receivable and other financial
      conditions of Borrower as Bank may reasonably request.  All financial
      statements furnished under this Agreement shall be prepared in accordance
      with generally accepted accounting principles consistently followed
      throughout the period involved;

      (f)    Borrower shall promptly inform Bank of a breach of any warranty or
      representation made herein, or in the Security Instruments, when same
      occurs, said warranties and representations to survive the execution
      hereof;

      (g)    Borrower shall receive and hold all inventory of Borrower for the
      sole purposes of storing, utilizing, leasing and/or selling the same at
      Borrower's existing places of business or such other places as may be
      satisfactory to Bank;

                                          9

<PAGE>

      (h)    Borrower shall maintain, after the payment of any dividends to
      Catalyst Energy Services, Inc., and payments on the Note dated January 6,
      1992, in the original principal amount of $1,080,000.00 payable to
      Catalyst Capital Partners I, Ltd., a ratio of Indebtedness to Tangible
      Net Worth of not more than 1.50 to 1.00, at all times from the date
      hereof;

      (i)    Borrower shall maintain, after the payment of any dividends to
      Catalyst Energy Services, Inc., and payments on the Note dated January 6,
      1992, in the original principal amount of $1,080,000.00 payable to
      Catalyst Capital Partners I, Ltd., a ratio of Current Assets to Current
      Liabilities of not less than 1.75 to 1.00 at all times from the date
      hereof;

      (j)    Borrower shall maintain, after the payment of any dividends to
      Catalyst Energy Services, Inc., and payments on the Note dated January 6,
      1992, in the original principal amount of $1,080,000.00 payable to
      Catalyst Capital Partners I, Ltd., a Total Fixed Charge Coverage Ratio of
      at least 1.50 to 1.00 at all times from the date hereof.  Total Fixed
      Charge Coverage Ratio shall mean the sum of (a) net income, plus (b)
      depreciation, amortization and other non-cash charges, plus (c) deferred
      Federal Income Taxes, plus (d) interest expense divided by the sum of (x)
      principal payments made on current maturities of long term debt, plus (y)
      interest expense.  This covenant shall be tested on a quarterly basis and
      will be calculated on a twelve (12) month rolling average;

      (k)    Borrower shall permit any officer, employee or agent of Bank to
      visit Borrower's offices and warehouse facilities to inspect the
      collateral which secures the Note and to examine and make copies of the
      Borrower's financial records and records of accounts, and discuss the
      affairs, finances and accounts of the Borrower with Borrower's officers,
      accountants and auditors on a annual basis, at the cost and expense of
      Borrower, provided such expenses are reasonable and customary, and at
      such other times as Bank may deem necessary at Bank's expense;

      (l)    Borrower shall, upon the occurrence of an Event of Default, enter
      into an agreement with Bank, in form and content acceptable to Bank, to
      establish a Lock Box;

      (m)    Borrower shall preserve and maintain its existence, rights and
      authority to do business in all states in which it conducts its business;

      (n)    Borrower shall keep all of its records and books of accounts in
      accordance with generally accepted accounting principles consistently
      applied reflecting all transactions of Borrower;

      (o)    Borrower will maintain with financially sound and reputable
      insurers, reasonably acceptable to Bank, insurance with respect to its
      assets, facilities and business against such liabilities, casualties,
      risks and contingencies as is customary for its business

                                          10

<PAGE>

      naming the Bank as loss payee with respect to any insurance covering
      collateral securing the loan hereunder, and will, upon execution of this
      Agreement and at such other times as Bank may request, provide
      satisfactory evidence of such insurance; and

      (p)    Borrower shall (i) if requested by the Bank, then promptly after
      the filing thereof with the United States Secretary of Labor or the
      Pension Benefit Guaranty Corporation, it shall furnish copies of each
      annual and other report with respect to each Plan or any trust created
      thereunder, and (ii) immediately upon becoming aware of the occurrence of
      any "reportable event", as such term is defined in Section 4043 of ERISA,
      or of any "prohibited transaction", as such term is defined in Section
      4975 of the Internal Revenue Code of 1954, as amended, in connection with
      any Plan or trust created thereunder, it shall furnish to Bank a notice
      signed by its President or a principal financial officer specifying the
      nature thereof, what action it is taking or proposes to take with respect
      thereof and, when known, any action taken by the Internal Revenue Service
      with respect thereto.

      Section 5.02  BORROWER'S NEGATIVE COVENANTS.  Borrower covenants and
agrees that until the full and final payment of the Note, and any and all
renewals, extensions, modifications and rearrangements thereof, and of any and
all other amounts secured or to be secured by the Security Instruments that
Borrower shall NOT, without the prior written consent of Bank, which consent may
be withheld by Bank in its reasonable discretion, do any of the following:

      (a)    compensate any officer, director, or employee of Borrower other
      than reasonable and customary compensation for services, or consolidate,
      or merge with any other company or entity, or give any preferential
      treatment, make any advance, directly or indirectly, by way of loan,
      gift, bonus, or otherwise, to any company or entity directly or
      indirectly, controlling or affiliated with or controlled by Borrower, or
      any other company or entity, or to any officer, director, partner or
      employee of Borrower, or any such company or entity, except the payment
      of dividends to Catalyst Energy Services, Inc., shall be allowed;

      (b)    permit any Plan maintained by it to:

             (i)    engage in any "prohibited transaction" as such term is
                    defined in Section 4975 of the Internal Revenue Code of
                    1954, as amended; or

             (ii)   incur any "accumulated funding deficiency" as such term is
                    defined in Section 302 of ERISA; or

             (iii)  terminate any such Plan in a manner which could result in
                    the imposition of a lien on its property pursuant to
                    Section 4068 of ERISA.

      (c)    incur, create, assume or permit to exist any Indebtedness, debt or
      liability except (i) the Note; (ii) Indebtedness incurred in the ordinary
      course of Borrower's business

                                          11

<PAGE>

      in connection with normal trade obligations; (iii) any Indebtedness
      previously made or contemplated to be made in the future by Bank to
      Borrower; and (iv) any Indebtedness described in the Security
      Instruments, without written approval by Bank, in its sole discretion;

      (d)    incur, create, assume or permit to exist any mortgage, pledge,
      security interest, lien, charge or other encumbrance (except those
      created in the Security Instruments) of any nature whatsoever on any of
      its assets, now owned or hereafter acquired which are now or hereafter
      pledged to Bank under the Security Instruments or otherwise to secure the
      Note or any Obligations;

      (e)    guarantee or otherwise in any way become contingently liable or
      responsible for obligations of any person or entity whether by agreement
      to purchase the indebtedness of any other person or entity or agreement
      for the furnishing of any other funds to any other person or entity
      through the purchase of goods, supplies or services for the purpose of
      paying or discharging the indebtedness of any other person or entity or
      otherwise, except for the endorsement of negotiable instruments by
      Borrower in the ordinary course of business for collection or deposit;

      (f)    unless otherwise approved in writing by Bank in its sole
      discretion, sell, lease, transfer or otherwise dispose of all or any part
      of its properties or assets except in the ordinary course of business; or
      consolidate with or merge into any other entity or permit another entity
      to merge into it or acquire all or substantially all of the properties or
      assets of any other person or entity; or make any substantial change in
      its capitalization; or

      (g)    incur any Capital Expenditures which exceed $500,000.00 in the
      aggregate during any fiscal year of Borrower.

                                      ARTICLE VI

                            EVENT OF DEFAULT AND REMEDIES

      Section 6.01  EVENTS OF DEFAULT.  Any of the following events shall be
considered an "Event of Default" under this Agreement: 

      (a)    Default on the Note, any of the Obligations or any Indebtedness of
      Borrower;

      (b)    Default on the Security Instruments, or any other document
      executed in connection with this Agreement;

      (c)    The discovery by Bank that any representation or warranty made by
      Borrower in this Agreement, the Security Instruments, or any other
      instrument securing or

                                          12

<PAGE>

      executed in connection with the Note is false, misleading or erroneous in
      any material respect as of the date such representation or warranty is
      made;

      (d)    The discovery by Bank that any representation, statement
      (including financial statements), certificate, or data furnished or made
      or to be furnished or made by Borrower hereunder or under the Security
      Instruments, or any other instrument securing or executed in connection
      with the Note is false, misleading or erroneous in any material respect,
      as of the date of which the facts therein set forth were stated or
      certified;

      (e)    Default in the performance of any of the covenants contained
      herein or in any document executed in connection herewith; and

      (f)    Borrower shall (i) discontinue business or (ii) make a general
      assignment for the benefit of creditors or (iii) apply for or consent to
      the appointment of a receiver, a trustee or liquidator for itself or for
      all or a substantial part of its assets, or (iv) be adjudicated a
      bankrupt or insolvent, or (v) file a voluntary petition in bankruptcy or
      file a petition or answer seeking reorganization or rearrangement of
      creditors or seeking to take advantage of any other law (whether federal
      or state) relating to relief for debtors, or admit (by answer, by
      default, or otherwise) the material allegations of a petition filed
      against it in any bankruptcy, reorganization, rearrangement, insolvency
      or other proceedings (whether federal or state) relating to relief for
      debtors, or (vi) suffer or permit to continue unstayed and in effect for
      ninety (90) consecutive days any judgment, decree or order, entered by a
      court of competent jurisdiction, which approves a petition seeking
      reorganization of it or appoints a receiver, trustee or liquidator of it
      or of all or a substantial part of any of its assets, or (vii) fail to
      pay prior to delinquency, any taxes owed to the State of Texas, the
      United States of America, or any other entity having jurisdiction over
      Borrower or any of its assets, provided, however, Borrower may contest in
      good faith the payment of such taxes, as long as Borrower complies with
      all applicable laws and maintains the capacity to pay such taxes
      reasonably satisfactory to the Bank and provided further that Borrower
      shall pay such taxes (a) if required by law in order to contest taxes,
      (b) prior to such time that the rights of Bank in the property covered by
      the Security Instruments become jeopardized in Bank's reasonable opinion,
      and (c) prior to any final judgment being taken against Borrower or
      Borrower's assets because of such non-payment.

      Section 6.02  REMEDIES.  Upon the happening of any Event of Default and
at any time thereafter (i) Bank, at its option, may declare the entire
outstanding principal balance of the Note and all accrued and unpaid interest
thereon and any and all other indebtedness of Borrower to Bank to be immediately
due and payable without notice of default, presentment, demand, protest, notice
of protest, notice of intention to accelerate the maturity thereof, notice of
the exercise of the intention to accelerate the maturity thereof, or other
notice whatsoever, all of which are hereby expressly waived by Borrower; (ii)
all obligations of Bank hereunder, if any, including, but not limited to the
making, continuing or renewing of any loan hereunder,

                                          13

<PAGE>

shall terminate unless and until same are reinstated in writing by Bank; (iii)
Bank may exercise any or all remedies it has at law, in the Note, in this
Agreement or in the Security Instruments; and (iv) the Bank may exercise its
rights contained in Section 6.03.

      Section 6.03  LOCK BOX.  Upon the happening of any Event of Default, the
Bank may require the Borrower to collect Borrower's accounts through a Bank Lock
Box account.  In conjunction with said Lock Box account, the Bank shall maintain
a cash collateral account into which the finally collected accounts from Account
Debtors received in the Lock Box are deposited (the "Cash Collateral Account"). 
Upon an Event of Default, the Bank shall have the right to withdraw from the
Cash Collateral Account any and all sums within such Cash Collateral Account for
application on the Obligations.

      Section 6.04  RIGHT OF SET-OFF.  Upon the occurrence of and during the
continuance of any Event of Default referred to herein, Bank is hereby
authorized at any time and from time to time, without notice to Borrower, to
set-off and apply any and all deposits (general or special, time or demand,
provisional or final) at any time held and other indebtedness at any time owing
by Bank to or for the credit or the account of Borrower against any and all of
the Obligations of Borrower that are then due and payable, irrespective of
whether Bank shall have made any demand under this Agreement or under the Note. 
Notwithstanding anything to the contrary contained herein, Bank may not exercise
any of its set-off rights contained in this Section 6.04 against any unmatured
Obligations until it has given Borrower seven (7) days notice of its intent to
exercise it's set-off rights.  The rights of Bank under this Section are in
addition to other rights and remedies (including, without limitation, other
rights of set-off) which Bank may have.

      Section 6.05  CROSS COLLATERALIZATION AND CROSS DEFAULT.  Upon the
occurrence of any Event of Default under this Agreement or default under any
other agreement between Borrower and Bank, then it is agreed by Borrower that
the Bank shall have the right to accelerate all Obligations owing to it by
Borrower, and any collateral securing any of the Obligations of Borrower to Bank
shall act as collateral for all of the Obligations of Borrower to the Bank.

                                     ARTICLE VII

                                    MISCELLANEOUS

      Section 7.01  NOTICES.  Any notices, requests or communications hereunder
shall be in writing, and shall be delivered by actual delivery or by placing
same in the United States mails, certified mail, return receipt requested,
addressed to the party to whom directed at the address hereinabove set out.  Any
such notice, request or communication shall be deemed delivered upon the earlier
to occur of placing same in the mails or upon actual delivery to the party to
whom directed.

                                          14

<PAGE>

      Section 7.02  BINDING EFFECT.  All covenants and agreements contained in
this Agreement by or on behalf of the Borrower shall bind its successors and
assigns and shall inure to the benefit of Bank and its successors and assigns.

      Section 7.03  CONTINUING EFFECT.  This Agreement shall remain in effect
until the Note and all other obligations of Borrower to Bank have been paid in
full.

      Section 7.04  GOVERNING LAW.  This Agreement shall be deemed to be a
contract made under and shall be construed and enforced in accordance with the
laws of the State of Texas.

      Section 7.05  CONFLICTS.  In the event of any conflict between the
provisions of this Agreement and the provisions of the Note or the Security
Instruments, the provisions of this Agreement shall control.

      Section 7.06  CONSTRUCTION.  Whenever used herein, the pronouns of any
gender shall include the other genders and either the singular or the plural
shall include the other as the context requires.

      Section 7.07  ADDITIONAL DOCUMENTS.  Borrower agrees to execute and
deliver such other and further documents and to do and perform such other acts
as may be reasonably necessary and proper in Bank's judgment to carry out the
intention of the parties as herein expressed and to effect the purposes of this
document and the transactions referred to herein.

      Section 7.08  COST AND EXPENSES.  All reasonable costs, expenses, and
attorneys fees incurred in performing and complying with Borrower's covenants
herein shall be borne by Borrower.  If, in pursuance of any covenant herein
contained, Bank shall pay out any money chargeable to Borrower, or subject to
reimbursement by Borrower under the terms hereof, Borrower shall repay the same
to Bank immediately at the place where the Note is payable.  The sum of each
such payment shall be added to the Note and thereafter shall form a part of the
same and shall be secured by this Agreement and the Security Instruments and by
subrogation of Bank to all the rights of the person, corporation, or body
politic receiving such payment.

      Section 7.09  WAIVER.  It is expressly agreed that no waiver of any
default on the part of Borrower or breach of any of the provisions of this
Agreement shall be considered a waiver of any other or subsequent default or
breach, and no delay or omission in exercising or enforcing the rights and
powers herein granted shall be construed as a waiver of such rights and powers,
and likewise no exercise or enforcement of any rights or powers hereunder shall
be held to exhaust such rights and powers, and every such right and power may be
exercised from time to time; failure by Bank to insist upon the strict
performance by Borrower of any of the terms and provisions hereof shall not be
deemed to be a waiver of any of the terms and provisions hereof, and Bank,
notwithstanding any such failure, shall have the right thereafter to insist upon
the strict performance by Borrower of any and all of the terms and provisions of
this Agreement.

                                          15

<PAGE>

      Section 7.10  USURY SAVINGS.  It is the intention of the parties hereto
to conform strictly to the usury laws applicable to the Bank and Borrower. 
Accordingly, if the transactions contemplated hereby would be usurious under
applicable law (including the laws of the United States of America and the State
of Texas), then, in that event, notwithstanding anything to the contrary in the
Note, this Agreement, the Security Instruments or any other agreement entered
into in connection with or as security for the Note, it is agreed as follows:
(i) the aggregate of all consideration which constitutes interest under law
applicable to the Bank that is contracted for, taken, reserved, charged or
received under the Note, this Agreement the Security Instruments or any other
agreement or otherwise in connection with the Note shall under no circumstances
exceed the maximum amount allowed by such applicable law, and any excess shall
be credited by the Bank on the principal amount of the Note (or, if the
principal amount of the Note shall have been paid in full, refunded by the Bank
to the Borrower); and (ii) in the event that maturity of the Note is accelerated
by reason of an election of the Bank resulting from any Event of Default under
this Agreement or otherwise, or in the event of any required or permitted
prepayment, then such consideration that constitutes interest under law
applicable to the Bank may never include more than the maximum amount allowed by
such applicable law, and excess interest, if any, provided for in the Note, the
Security Instruments, this Agreement or otherwise shall be canceled
automatically as of the date of such acceleration or prepayment and, if
theretofore paid, shall be credited by the Bank on the principal amount of the
Note (or, if the principal amount of the Note shall have been paid in full,
refunded by the Bank to the Borrower).

      Section 7.11  INVALIDITY.  In the event that any one or more of the
provisions contained in the Note, this Agreement or the Security Instruments
shall, for any reason, be held invalid, illegal or unenforceable in any respect,
such invalidity, illegality or unenforceability shall not affect any other
provision of the Note, this Agreement or the Security Instruments.

      Section 7.12  TITLES OF ARTICLES, SECTIONS AND SUBSECTIONS.  All titles
or headings to articles, sections, subsections or other divisions of this
Agreement or the exhibits hereto are only for the convenience of the parties and
shall not be construed to have any effect or meaning with respect to the other
content of such articles, sections, subsections or other divisions, such other
content being controlling as to the agreement between the parties hereto.

      Section 7.13  COUNTERPARTS.  This Agreement may be executed in two or
more counterparts, and it shall not be necessary that the signatures of all
parties hereto be contained on any one counterpart hereof; each counterpart
shall be deemed an original, but all of which together shall constitute one and
the same instrument.

      Section 7.14  AGREEMENT FOR BINDING ARBITRATION.  The parties agree to be
bound by the terms and provisions of the current Arbitration Program of First
Interstate Bank of Texas, N.A. which is incorporated by reference herein and is
acknowledged as received by the parties, pursuant to which any and all disputes
shall be resolved by mandatory binding arbitration upon the request of any
party.

                                          16

<PAGE>

      NOTICE:  THIS DOCUMENT AND ALL OTHER DOCUMENTS RELATING TO THIS
      LOAN CONSTITUTE A WRITTEN LOAN AGREEMENT WHICH REPRESENTS THE
      FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY
      EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS
      OF THE PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN
      THE PARTIES RELATING TO THIS LOAN.

      Please indicate your agreement to the foregoing by executing this
Agreement in the space provided below.

                                Very truly yours, 

                                FIRST INTERSTATE BANK OF TEXAS, N.A.

                                By:                                            

                                   -------------------------------------------
                                   Michael W. Nygren, Assistant Vice President

AGREED AND ACCEPTED this ______ day of September, 1995.

MANIFOLD VALVE SERVICES, INC.,
a Delaware corporation

By:/s/Andrew Cormier
   -------------------------
   Andrew Cormier, President

                                          17

<PAGE>

                                     EXHIBIT "A"

                            LOAN FORMULA CERTIFICATE AND 
                              CERTIFICATE OF NO DEFAULT

TO:   First Interstate Bank of Texas, N.A.
      1300 Post Oak Blvd.
      Houston, Texas  77056
      Attention:  Michael W. Nygren

Gentlemen:

This Loan Formula Certificate and Certificate of No Default ("Certificate") for
the month ending ____________________, 199___, is executed and delivered by
MANIFOLD VALVE SERVICES, INC. ("Borrower") to FIRST INTERSTATE BANK OF TEXAS,
N.A. ("Bank"), pursuant to the certain Loan Agreement ("Agreement") dated
September _____, 1995, between Borrower and Bank.  All terms used herein shall
have the meanings assigned to them in the Agreement.

Borrower represents and warrants to Bank that all information contained herein
is true, correct, and complete, and that the Eligible Accounts listed in item 2.
below represent the Eligible Accounts that qualify under the Agreement. 
Borrower further represents and warrants to the Bank that attached hereto as
Schedule 1 is a list of the accounts showing all accounts receivable aged in 30
day intervals.


<TABLE>
<S>                                              <C>                           <C>
ACCOUNTS RECEIVABLE OF BORROWER:

1.    Total Accounts Receivable                                                $
                                                                                ------------------------
2.    Eligible Accounts receivable less than 90 days old                       $
                                                                                ------------------------
BORROWING BASE:

3.    80% of Line 1                                                            $
                                                                                ------------------------
4.    Outstanding principal amount of the Note                                 $
                                                                                ------------------------
5.    Available Credit Amount [(the lesser of the
      $500,000.00 or Line 2) minus Line 3]                                     $
                                                                                ------------------------

FINANCIAL COVENANT COMPLIANCE                    REQUIRED                      ACTUAL
- -----------------------------                    --------                      ------

5.    Indebtedness to Tangible Net Worth         1.50 to 1.00                  -------------------------

6.    Current Assets to Current Liabilities      1.75 to 1.00                  -------------------------

7.    Total Fixed Charge Coverage Ratio          1.50 to 1.00                  -------------------------

</TABLE>



Borrower further represents and warrants to Bank that no Event of Default has
occurred and is continuing and no event that, with notice or lapse of time or
both, would be an Event of Default has occurred and is continuing.
              
                                                 MANIFOLD VALVE SERVICES, INC.
                                                 By:
                                                    ---------------------------
                                                 Name:
                                                      -------------------------
                                                 Title:
                                                       ------------------------

<PAGE>



                         MASTER REVOLVING LINE OF CREDIT NOTE
                                      PAYABLE TO
                         FIRST INTERSTATE BANK OF TEXAS, N.A.


September ______, 1995              Houston, Texas                  $500,000.00


    For value received, the undersigned (hereinafter called "Maker") promises
to pay to the order of FIRST INTERSTATE BANK OF TEXAS, N.A. (hereinafter called
"Bank") at its offices at 1300 POST OAK BLVD., HOUSTON, TEXAS  77056, in lawful
money of the United States of America the sum of FIVE HUNDRED THOUSAND AND
NO/100 DOLLARS ($500,000.00) together with interest thereon from the date hereof
until maturity at a varying rate per annum which is THREE-QUARTERS PER CENT
(.75%) per annum (hereinafter called the "Margin Percentage") above the rate
quoted by FIRST INTERSTATE BANK OF TEXAS, N.A. from time to time as its Prime
Commercial Rate (but in no event to exceed the maximum rate of nonusurious
interest allowed from time to time by law as now in effect, or allowed by law as
may hereafter be in effect, hereinafter the "Highest Lawful Rate"), with
adjustments in such varying rate to be made on the same day as any change in
such Prime Commercial Rate.  The term "Prime Commercial Rate" shall mean the
rate of interest established by Bank from time to time as a general reference
rate of interest, it being understood that many of the Bank's loans are priced
in relation to such rate but that it is not necessarily the lowest or best rate
charged to customers of the Bank.

    Adjustments due to changes in the Highest Lawful Rate will be made on the
effective date of any change in the Highest Lawful Rate.

    All past due principal and interest shall bear interest at the Highest
Lawful Rate from maturity until paid.  Interest shall be computed on a per annum
basis of a year of 365 or 366 days, as the case may be, and for the actual
number of days (including the first but excluding the last day) elapsed.

    At the option of the Bank and notwithstanding the foregoing provisions
concerning such varying rate, if at any time the sum of the Margin Percentage
plus such Prime Commercial Rate exceeds the Highest Lawful Rate, the rate of
interest to accrue on this Note shall be limited to the Highest Lawful Rate, but
if thereafter the sum of the Margin Percentage plus such Prime Commercial Rate
is less than the Highest Lawful Rate, the rate of interest to accrue on this
Note shall be the Highest Lawful Rate until the total amount of interest accrued
on this Note equals the amount of interest which would have accrued if a varying
rate per annum equal to the sum of the Margin Percentage plus such Prime
Commercial Rate had at all times been in effect.

    Principal and accrued interest on this Note are due and payable as follows:

    In monthly installments of interest only on the _______ day of each
    month beginning October ______, 1995, with one final balloon payment
    due January 7, 1997, of the entire unpaid principal balance hereof,
    plus all unpaid accrued interest.

    If any installment or payment of principal or interest of this Note is not
paid when due; or if Maker shall become insolvent (however such insolvency may
be evidenced); or if any proceeding, procedure or remedy supplementary to or in
enforcement of judgement shall be resorted to or commenced against Maker, or
with respect to any property of it; or if any governmental authority or any
court at the instance thereof shall take possession of any substantial part of
the property of or assume control over the affairs or operations of, or a
receiver shall be appointed for or take possession of the property of, or a writ
or order of

                                                                        /s/ AC
                                                                     -----------
                                                                      (INITIALS)
                                  Page 1 of 4 pages

<PAGE>

attachment or garnishments shall be issued or made against any of the property
of Maker; or if any material indebtedness for which Maker is primarily or
secondarily liable shall not be paid when due or shall become due and payable by
acceleration of maturity thereof, or if any event or condition shall occur which
shall permit the holder of any such material indebtedness to declare it due and
payable upon the lapse of time, giving of notice or otherwise; or if Maker shall
be dissolved, wound up, liquidated or otherwise terminated, or a party to any
merger or consolidation without the written consent of Bank; or if Maker shall
sell substantially all or an integral portion of its assets without written
consent of Bank; or if Maker fails to furnish financial information reasonably
requested by Bank; or if Maker furnishes or has furnished any financial or other
information or statements which are misleading in any material respect; or if a
default occurs under any instrument now or hereafter executed in connection with
or as security for this Note; thereupon, at the option of the Bank, this Note
and any and all other indebtedness of Maker to Bank shall become and be due and
payable forthwith without demand, notice of default or of intent to accelerate
the maturity hereof, notice of nonpayment, notice of acceleration, presentment,
protest or notice of dishonor, all of which are hereby, to the extent allowed by
law, expressly waived by Maker and each other liable party.

    The unpaid principal balance of this Note at any time shall be the total
amounts loaned or advanced hereunder by the holder hereof, less the amount of
payments or prepayments of principal made hereon by or for the account of Maker.
Maker may borrow, repay and reborrow, from time-to-time, prior to the maturity
hereof, up to the face amount hereof, or, up to the amount determined by any
formula set forth in any written agreement executed in connection herewith
between Maker and Bank, whichever is less.  It is contemplated that by reason of
prepayments hereon there may be times when no indebtedness is owing hereunder,
but notwithstanding such occurrences, this Note shall remain valid and shall be
in full force and effect as to loans or advances made pursuant to and under the
terms of this Note subsequent to each such occurrence.  All loans or advances
and all payments or prepayments made hereunder on account of principal or
interest may be endorsed (and shall so be endorsed prior to any transfer of this
Note) by the holder hereof on a schedule on the back hereof and/or on additional
schedule pages attached hereto from time-to-time by the holder hereof.  In all
events, the business records of the Bank, whether computer records or otherwise,
shall be conclusive of the amount owed by Maker hereunder.  In the event that
the unpaid principal amount hereof at any time, for any reason, exceeds the
maximum amount hereinabove specified, Maker covenants and agrees to pay the
excess principal amount forthwith upon demand; such excess principal amount
shall in all respects be deemed to be included among the loan or advances made
pursuant to the other terms of this Note and shall bear interest at the rates
hereinabove stated.

    Advances hereunder will be made by the holder hereof pursuant to the terms
of the Letter Loan Agreement executed by Maker and Bank on even date herewith.
Any loan or advance shall be conclusively presumed to have been made under the
terms of this Note to or for the benefit of Maker when made pursuant to the
terms of such Letter Loan Agreement.

    If this Note is not paid at maturity whether by acceleration or otherwise
and is placed in the hands of an attorney for collection, or suit is filed
hereon, or proceedings are had in probate, bankruptcy, receivership,
reorganization, arrangement or other legal proceedings for collection hereof,
Maker agrees to pay Bank its collection costs, including reasonable attorney's
fees.  Maker is and shall be directly and primarily, jointly and severally,
liable for the payment of all sums called for hereunder, and Maker hereby
consents to and agrees to remain liable hereon regardless of any renewals,
extensions for any period or rearrangements hereof, or partial prepayments
hereon, or any release or substitution or security herefor, in whole or in part,
with or without notice, from time to time, before or after maturity.

    As security for the punctual payment and performance of the Note, and as
part of the security herefor, Maker hereby grants to Bank a security interest
in, and a pledge and assignment of, any and all money, property, deposit
accounts, accounts, securities, documents, chattel paper, claims, demands,
instruments, items or deposits of the Maker, and each of them,
                                                                        /s/ AC
                                                                     -----------
                                                                      (INITIALS)
                                  Page 2 of 4 Pages

<PAGE>

or to which any of them is a party, now held or hereafter coming within Bank's
custody or control, including without limitation, all certificates of deposit
and other depository accounts, whether such have matured or the exercise of
Bank's rights results in loss of interest or principal or other penalty on such
deposits, but excluding deposits subject to tax penalties if assigned.  Without
prior notice to or demand upon the Maker, Bank may exercise its rights granted
above at any time when a default has occurred.  Bank's rights and remedies under
this paragraph shall be in addition to and cumulative of any other rights or
remedies at law and equity, including, without limitation, any rights of set-off
to which Bank may be entitled.

    This Note is additionally secured by all assets of Maker.

    It is the intention of Maker and Bank to conform strictly to applicable
usury laws.  Accordingly, if the transactions contemplated hereby would be
usurious under applicable law, then, in that event, notwithstanding anything to
the contrary in any agreement entered into in connection with or as security for
this Note, it is agreed as follows: (i) the aggregate of all consideration which
constitutes interest under applicable law that is taken, reserved, contracted
for, charged or received under this Note or under any of the other aforesaid
agreements or otherwise in connection with this Note shall under no
circumstances exceed the maximum amount of interest allowed by applicable law,
and any excess shall be credited on this Note by the holder hereof (or, if this
Note shall have been paid in full, refunded to Maker); and (ii) in the event
that maturity of this Note is accelerated by reason of an election by the holder
hereof resulting from any default hereunder or otherwise, or in the event of any
required or permitted prepayment, then such consideration that constitutes
interest may never include more than the maximum amount allowed by applicable
law, and excess interest, if any, provided for in this Note or otherwise shall
be canceled automatically as of the date of such acceleration or prepayment and,
if theretofore prepaid, shall be credited on this Note (or if this Note shall
have been paid in full, refunded to Maker).

    Maker reserves the option of prepaying the principal of this Note, in whole
or in part, at any time after the date hereof without penalty.  At the option of
Bank, it may demand (at any time at or after prepayment) all accrued and unpaid
interest with respect to the principal amount prepaid through the date of
prepayment.  All payments made hereunder, whether designated as payments of
principal or interest, shall be applied to the principal or interest of this
Note or to expenses provided for herein, or any combination of the foregoing, as
directed by the holder of this Note at its option.

    This Note shall be construed under and governed by the laws of the State of
Texas (including applicable federal law), but in any event Tex. Rev. Civ. Stat.
Ann. art. 5069 ch. 15 (which regulates certain revolving credit loan accounts
and revolving triparty accounts) shall not apply to the loan evidenced by this
Note.

    If this Note bears interest at a varying rate, unless changed in accordance
with law, the applicable method of calculating the usury ceiling rate under
Texas law shall be in the indicated (weekly) ceiling rate from time to time in
effect, as provided in Tex. Rev. Civ. Stat. Ann. art. 5069-1.04, as amended.

    AGREEMENT FOR BINDING ARBITRATION.  The parties agree to be bound by the
terms and provisions of the current Arbitration Program of First Interstate Bank
of Texas, N.A. which is incorporated by reference herein and is acknowledged as
received by the parties, pursuant to which any and all disputes shall be
resolved by mandatory binding arbitration upon the request of any party.

                                                           /s/ AC
                                                           -----------
                                                          (INITIALS)
                                  Page 3 of 4 pages

<PAGE>

    This Note is subject to the terms and conditions of a Letter Loan Agreement
executed by Bank and Maker on even date herewith.

                                                 MAKER:

                                                 MANIFOLD VALVE SERVICES, INC.,
                                                 a Delaware corporation

                                                 By:  /s/ ANDREW CORMIER
                                                     ---------------------------
                                                     Andrew Cormier, President

                                   Page 4 of 4 Pages
<PAGE>


                            COMMERCIAL SECURITY AGREEMENT



       THAT, MANIFOLD VALVE SERVICES, INC., a Delaware corporation, P. O. Box
1009, Jennings, Louisiana  70546 (hereinafter referred to as "Debtor"), for
value received, the receipt and sufficiency of which is hereby acknowledged,
hereby grants to FIRST INTERSTATE BANK OF TEXAS, N.A., 1300 Post Oak Blvd.,
Houston, Harris County, Texas  77056 (hereinafter referred to as "Secured
Party"), the security interest (and the pledges and assignments as applicable)
hereinafter set forth and agrees with Secured Party as follows:

       A.   OBLIGATIONS SECURED.  The security interest (and pledges and
assignments as applicable) granted hereby are to secure punctual payment and
performance of the following:  (i) that certain Master Revolving Line of Credit
Note of even date herewith in the original principal sum of $500,000.00,
executed by Debtor and payable to the order of Secured Party, and any and all
extensions, renewals, modifications and rearrangements thereof; (ii) all
obligations of Debtor to Secured Party under the Letter Loan Agreement between
Debtor and Secured Party executed on even date herewith and all extensions,
renewals, modifications and rearrangements thereof; and (iii) any and all other
indebtedness, liabilities and obligations whatsoever and of whatever nature of
Debtor to Secured Party whether direct or indirect, absolute or contingent,
primary or secondary, due or to become due and whether now existing or hereafter
arising and howsoever evidenced or acquired, whether joint or several, or joint
and several (all of which are herein separately and collectively referred to as
the "Obligations").  Debtor acknowledges that the security interest (and pledges
and assignments as applicable) hereby granted shall secure all future advances
as well as any and all other indebtedness, liabilities and obligations of Debtor
to Secured Party whether now in existence or hereafter arising.

       B.   USE OF COLLATERAL.  Debtor represents, warrants and covenants that
the Collateral will be used by Debtor primarily for business purposes.

       C.   DESCRIPTION OF COLLATERAL.  Debtor hereby grants to Secured Party a
security interest in (and hereby pledges and assigns as applicable) and agrees
that Secured Party shall continue to have a security interest in (and a pledge
and assignment of as applicable), the following property, to-wit:

       ALL ACCOUNTS.  A security interest in all accounts now owned or existing
       as well as any and all that may hereafter arise or be acquired by
       Debtor, and all the proceeds and products thereof, including without
       limitation, all notes, drafts, acceptances, instruments and chattel
       paper arising therefrom, and all returned or repossessed goods arising
       from or relating to any such accounts, or other proceeds of any sale or
       other disposition of inventory.

       ALL INVENTORY.  A security interest in all of Debtor's inventory,
       including all goods, merchandise, raw materials, goods in process,
       finished goods and other tangible personal property, wheresoever
       located, now owned or hereafter acquired and held for sale or lease or
       furnished or to be furnished under contracts for service or used or
       consumed in Debtor's business and all additions and accessions thereto
       and contracts with respect thereto and all documents of title evidencing
       or representing any part thereof, and all products and proceeds thereof,
       including, without limitation, all of such which are now or hereafter
       located at the following locations:

            Interstate 10 Service Road South, Jennings, Louisiana  70546

       ALL FIXTURES.  A security interest in all of Debtor's fixtures and
       appurtenances thereto, and such other goods, chattels, fixtures,
       equipment and personal property affixed or in any manner attached to the
       real estate and/or building(s) or structure(s), including all additions
       and accessions thereto and replacements thereof and articles in
       substitution therefor, howsoever attached or affixed, located at the
       following locations:

            See EXHIBIT "A" attached hereto and made a part hereof for
            all purposes.

       ALL EQUIPMENT AND FURNITURE.  A security interest in all equipment and
       furniture of every nature and description whatsoever now owned or
       hereafter acquired by Debtor including all appurtenances and additions
       thereto and substitutions therefor, wheresoever located, including all
       tools, parts and accessories used in connection therewith.

       GENERAL INTANGIBLES.  A security interest in all general intangibles and
       other personal property now owned or hereafter acquired by Debtor other
       than goods, accounts, chattel paper, documents and instruments.

       CHATTEL PAPER.  A security interest in all of Debtor's interest under
       chattel paper, lease agreements and other instruments or documents,
       whether now existing or owned by Debtor or hereafter arising or acquired
       by Debtor, evidencing both a debt and security interest in or lease of
       specific goods.

<PAGE>

       CONTRACT RIGHTS.  A security interest in all of Debtor's contract
       rights.

       INSTRUMENTS.  A pledge and assignment of and security interest in all of
       Debtor's now owned or existing as well as hereafter acquired or arising
       instruments and documents.


       The term "Collateral" as used in this Agreement shall mean and include,
and the security interest (and pledge and assignment as applicable) shall cover,
all of the foregoing property, as well as any accessions, additions and
attachments thereto and the proceeds and products thereof, including without
limitation, all cash, general intangibles, accounts, inventory, equipment,
fixtures, notes, drafts, acceptances, securities, instruments, chattel paper,
insurance proceeds payable because of loss or damage, or other property,
benefits or rights arising therefrom, and in and to all returned or repossessed
goods arising from or relating to any of the property described herein or other
proceeds of any sale or other disposition of such property.

       As additional security for the punctual payment and performance of the
Obligations, and as part of the Collateral, Debtor hereby grants to Secured
Party a contractual right of set-off to and a security interest in, and a pledge
and assignment of, any and all money, property, deposit accounts, accounts,
securities, documents, chattel paper, claims, demands, instruments, items or
deposits of the Debtor, and each of them, or to which any of them is a party,
now held or hereafter coming within Secured Party's custody or control,
including without limitation, all certificates of deposit and other depository
accounts, whether such have matured or the exercise of Secured Party's rights
results in loss of interest or principal or other penalty on such deposits, but
excluding deposits subject to tax or penalties if assigned.  Without prior
notice to or demand upon the Debtor, Secured Party may exercise its rights
granted above at any time when a default has occurred.  Secured Party's rights
and remedies under this paragraph shall be in addition to and cumulative of any
other rights or remedies at law and equity, including, without limitation, any
rights of set-off to which Secured Party may be entitled.

       D.   REPRESENTATIONS, WARRANTIES AND COVENANTS OF DEBTOR.  Debtor
represents and warrants as follows:

            1.  OWNERSHIP; NO ENCUMBRANCES.  Except for the security interests,
pledges, assignments, and rights of set-off granted hereby, the Debtor is, and
as to any property acquired after the date hereof which is included within the
Collateral, Debtor will be, the owner of all such Collateral free and clear from
all charges, liens, security interests, adverse claims and encumbrances of any
and every nature.

            2.  NO FINANCING STATEMENTS.  There is no financing statement or
similar filing now on file in any public office covering any part of the
Collateral, excluding existing financing statements filed by Southwest Bank of
Texas, N.A., and Debtor will not execute and there will not be on file in any
public office any financing statement or similar filing except the financing
statements filed or to be filed in favor of Secured Party.

            3.  ACCURACY OF INFORMATION.  All information furnished to Secured
Party concerning Debtor, the Collateral and the Obligations, or otherwise for
the purpose of obtaining or maintaining credit, is or will be at the time the
same is furnished, accurate and complete in all material respects.

            4.  AUTHORITY.  Debtor has full right and authority to execute and
perform this Agreement and to create the security interests, pledges,
assignments, and rights of set-off created by this Agreement.  The making and
performance by Debtor of this Agreement will not violate any of the provisions
of the Partnership Agreement of Debtor, any provision of law, any order of court
or governmental agency, or any indenture or other agreement to which Debtor is a
party, or by which Debtor or any of Debtor's property is bound, or be in
conflict with, result in a breach of or constitute (with due notice and/or lapse
of time) a default under any such indenture or other agreement, or result in the
creation or imposition of any charge, lien, security interest, claim or
encumbrance of any and every nature whatsoever upon the Collateral, except as
contemplated by this Agreement.

            5.  ADDRESSES.  The address of Debtor designated at the beginning
of this Agreement is Debtor's place of business if Debtor has only one place of
business; Debtor's chief executive office if Debtor has more than one place of
business; or Debtor's residence if Debtor has no place of business.  Debtor
agrees not to change such address without advance written notice to Secured
Party.

       E.   GENERAL COVENANTS.  Debtor covenants and agrees as follows:

            1.  OPERATION OF THE COLLATERAL.  Debtor agrees to maintain and use
the Collateral solely in the conduct of its own business, in a careful and
proper manner, and in conformity with all applicable permits or licenses.
Debtor shall comply in all material respects with all applicable statutes, laws,
ordinances and regulations.  Debtor shall not use the Collateral in any unlawful
manner or for any unlawful purposes, or in any manner or for any purpose that
would expose the Collateral to unusual risk, or to penalty, forfeiture or
capture, or that would render inoperative any insurance in connection with the
Collateral.

            2.  CONDITION.  Debtor shall maintain, service and repair the
Collateral so as to keep it in good operating condition.  Debtor shall replace
within a reasonable time all parts that may be worn out, lost, destroyed or
otherwise rendered unfit for use, with appropriate replacement parts.  Debtor
shall obtain and maintain in good standing at all time all applicable permits,
licenses, registrations and certificates respecting the Collateral.


                                         -2-

<PAGE>

            3.  ASSESSMENTS.  Debtor shall promptly pay when due all taxes,
assessments, license fees, registration fees, and governmental charges levied or
assessed against Debtor or with respect to the Collateral or any party thereof.

            4.  NO ENCUMBRANCES.  Debtor agrees not to suffer or permit any
charge, lien, security interest, adverse claim or encumbrance of any and every
nature whatsoever against the Collateral or any part thereof, except those which
are in favor of Secured Party.

            5.  NO REMOVAL.  Except as otherwise provided in this Agreement,
Debtor shall not remove the Collateral from the county or counties designated at
the beginning of this Agreement without Secured Party's prior written consent.

            6.  NO TRANSFER.  Except as otherwise provided in this Agreement,
Debtor shall not, without the prior written consent of Secured Party, sell,
assign, transfer, lease, charter, encumber, hypothecate or dispose of the
Collateral, or any part thereof, or interest therein, or offer to do any of the
foregoing.

            7.  NOTICES AND REPORTS.  Debtor shall promptly notify Secured
Party in writing of any change in the name, identity or structure of Debtor, any
charge, lien, security interest, claim or encumbrance asserted against the
Collateral, any litigation against Debtor or the Collateral, any theft, loss,
injury or similar incident involving the Collateral, and any other material
matter adversely affecting Debtor or the Collateral.  Debtor shall furnish such
reports, information and data regarding Debtor's financial condition and
operations, the Collateral and such other matters as Secured Party may request
from time to time.

            8.  LANDLORD'S WAIVERS.  Debtor shall furnish to Secured Party,
within thirty (30) days from the date hereof, landlord's waivers of all liens
with respect to any Collateral covered by this Agreement that is or may be
located upon leased premises, such landlord's waivers to be in such form and
upon such terms as are acceptable to Secured Party.

            9.  ADDITIONAL FILINGS.  Debtor agrees to execute and deliver such
financing statement or statements, or amendments thereof or supplements thereto,
or other documents as Secured Party may from time to time require in order to
comply with the Texas Uniform Commercial Code (or other applicable state law of
the jurisdiction where any of the Collateral is located) and to preserve and
protect the Secured Party's rights to the Collateral.

            10.  PROTECTION OF COLLATERAL.  Secured Party, at its option,
whether before or after default, but without any obligation whatsoever to do so,
may (a) discharge taxes, claims, charges, liens, security interests, assessments
or other encumbrances of any and every nature whatsoever at any time levied,
placed upon or asserted against the Collateral, (b) place and pay for insurance
on the Collateral, including insurance that only protects Secured Party's
interest, (c) pay for the repair, improvement, testing, maintenance and
preservation of the Collateral, (d) pay any filing, recording, registration,
licensing or certification fees or other fees and charges related to the
Collateral, or (e) take any other action to preserve and protect the Collateral
and Secured Party's rights and remedies under this Agreement as Secured Party
may deem necessary and appropriate.  Debtor agrees that Secured Party shall have
no duty or obligation whatsoever to take any of the foregoing action.  Debtor
agrees to promptly reimburse Secured Party upon demand for any payment made or
any expense incurred by the Secured Party pursuant to this authorization.  These
payments and expenditures, together with interest thereon from date incurred
until paid by Debtor at the maximum contract rate allowed under applicable laws,
which Debtor agrees to pay, shall constitute additional Obligations and shall be
secured by and entitled to the benefits of this Agreement.

            11.  INSPECTION.  Debtor shall at all reasonable times allow
Secured Party by or through any of its officers, agents, attorneys or
accountants, to examine the Collateral, wherever located, and to examine and
make extracts from Debtor's books and records.

            12.  FURTHER ASSURANCES.  Debtor shall do, make, procure, execute
and deliver all such additional and further acts, things, deeds, interests and
assurances as Secured Party may require from time to time to protect, assure and
enforce Secured Party's rights and remedies.

            13.  INSURANCE.  Debtor shall have and maintain insurance at all
times with respect to all tangible Collateral insuring against risks of fire
(including extended coverage), theft and other risks as Secured Party may
require, containing such terms, in such form and amounts and written by such
companies as may be reasonably satisfactory to Secured Party, all of such
insurance to contain loss payable clauses in favor of Secured Party as its
interest may appear.  All policies of insurance shall provide for ten (10) days'
written minimum cancellation notice to Secured Party and at the request of
Secured Party shall be delivered to and held by it.  Secured Party shall be
authorized to apply the proceeds from any insurance to the Obligations secured
hereby whether or not such Obligations are then due and payable.  Debtor
specifically authorizes Secured Party to disclose information from the policies
of insurance to prospective insurers regarding the Collateral.

       F.   ADDITIONAL PROVISIONS REGARDING ACCOUNTS.  The following provisions
shall apply to all accounts included within the Collateral:


                                         -3-

<PAGE>

            1.  DEFINITIONS.  The term "account", as used in this Agreement,
shall have the same meaning as set forth in the Uniform Commercial Code of Texas
in effect as of the date of execution hereof, and as set forth in any amendment
to the Uniform Commercial Code of Texas to become effective after the date of
execution hereof, and also shall include all present and future notes,
instruments, documents, general intangibles, drafts, acceptances and chattel
paper of Debtor, and the proceeds thereof.

            2.  ADDITIONAL WARRANTIES.  As of the time any account becomes
subject to the security interest (or pledge or assignment as applicable) granted
hereby, Debtor shall be deemed further to have warranted as to each and all of
such accounts as follows: (a) each account and all papers and documents relating
thereto are genuine and in all respects what they purport to be; (b) each
account is valid and subsisting and arises out of a bona fide sale of goods sold
and delivered to, or out of and for services actually rendered by the Debtor to
the account debtor named in the account; (c) the amount of the account
represented as owing is the correct amount actually and unconditionally owing
except for normal cash discounts; and (d) Debtor is the owner thereof free and
clear of any charges, liens, security interests, adverse claims and encumbrances
of any and every nature whatsoever, except those in favor of Secured Party.

            3.  COLLECTION OF ACCOUNTS.  Secured Party shall have the right in
its own name or in the name of the Debtor, after default, to require Debtor
forthwith to transmit all proceeds of collection of accounts to Secured Party,
to notify any and all account debtors to make payments of the accounts directly
to Secured Party, to demand, collect, receive, receipt for, sue for and give
acquittal for, any and all amounts due or to become due on the accounts and to
endorse the name of Debtor on all commercial paper given in payment or part
payment thereof, and in Secured Party's discretion to file any claim or take any
other action or proceeding that Secured Party may deem necessary or appropriate
to protect and preserve and realize upon the accounts and related Collateral.
Unless and until Secured Party elects to collect accounts, and the privilege of
Debtor to collect accounts is revoked by Secured Party in writing, Debtor shall
continue to collect accounts, account for same to Secured Party, and shall not
commingle the proceeds of collection of accounts with any funds of the Debtor.
In order to assure collection of accounts in which Secured Party has a security
interest (or pledge or assignment of as applicable) hereunder, Secured Party may
notify the post office authorities to change the address for delivery of mail
addressed to Debtor to such address as Secured Party may designate, and to open
and dispose of such mail and receive the collections of all accounts. Secured
Party shall have no duty or obligation whatsoever to collect any account, or to
take any other action to preserve the Collateral; however, should Secured Party
elect to collect any account or take possession of any Collateral, Debtor
releases Secured Party from any claim or claims for loss or damage arising from
any act or omission in connection therewith.

            4.  IDENTIFICATION AND ASSIGNMENT OF ACCOUNTS.  Upon Secured
Party's request, after default, Debtor shall take such action and execute and
deliver such documents as Secured Party may reasonably request in order to
identify, confirm, mark, segregate and assign accounts and to evidence Secured
Party's interest in same.  Without limitation of the foregoing, Debtor, upon
request, agrees to assign accounts to Secured Party, with respect to the
preceding month or other applicable period, identify and mark accounts as being
subject to the security interest (or pledge or assignment as applicable) granted
hereby, mark Debtor's books and records to reflect such assignments, and
forthwith to transmit to Secured Party in the form as received by Debtor any and
all proceeds of collection of such accounts.

            5.  ACCOUNT REPORTS.  Debtor will deliver to Secured Party, within
forty-five (45) days after the end of each calendar quarter, or on such other
frequency as Secured Party may reasonably request, a written report in form and
content satisfactory to Secured Party, with respect to the preceding calendar
quarter or other applicable period, showing a listing and aging of accounts and
such other information as Secured Party may request from time to time.

       G.   ADDITIONAL PROVISIONS REGARDING INVENTORY.  The following
provisions shall apply to all inventory included within the Collateral:

            1.  INVENTORY REPORTS.  Debtor will deliver to Secured Party,
within forty-five (45) days after the end of each calendar quarter, or on such
other frequency as Secured Party may reasonably request, a written report in
form and content satisfactory to Secured Party, with respect to the preceding
calendar quarter or other applicable period, showing Debtor's opening inventory,
inventory acquired, inventory sold, inventory returned, inventory used in
Debtor's business, closing inventory, any other inventory not within the
preceding categories, and such other information as Secured Party may reasonably
request from time to time.  Debtor shall notify Secured Party of any material
matter adversely affecting the inventory, including, without limitation, any
event causing loss or depreciation in the value of the inventory and the amount
of such possible loss or depreciation.

            2.  LOCATION OF INVENTORY.  Debtor will promptly notify Secured
Party in writing if it intends to commence business and/or place any of its
inventory at any location outside of Louisiana or Texas.

            3.  USE OF INVENTORY.  Unless and until the privilege of Debtor to
use inventory in the ordinary course of Debtor's business is revoked by Secured
Party due to an event of default Debtor may use the inventory in any manner not
inconsistent with this Agreement, may sell that part of the Collateral
consisting of inventory provided that all such sales are in the ordinary course
of business, and may use and consume any raw materials or supplies that are
necessary in order to carry on Debtor's business.  A sale in the ordinary course
of business does not include a transfer in partial or total satisfaction of a
debt.


                                         -4-

<PAGE>

            4.  ACCOUNTS AS PROCEEDS.  All accounts that are proceeds of the
inventory included within the Collateral shall be subject to all of the terms
and provisions hereof.

            5.  PROTECTION OF INVENTORY.  Debtor shall take all action
necessary to protect and preserve the inventory.

       H.   EVENTS OF DEFAULT.  Debtor shall be in default hereunder upon the
occurrence of any "Event of Default" under Section 6.01 of the Letter Loan
Agreement executed by Debtor and Secured Party on even date herewith ("Letter
Loan Agreement").

       I.   REMEDIES.  Upon the occurrence of an "Event of Default" under
Section 6.01 of the Letter Loan Agreement, Secured Party, at its option, shall
be entitled to exercise any one or more of the following remedies (all of which
are cumulative):

            1.  DECLARE OBLIGATIONS DUE.  Secured Party, at its option, may
declare the Obligations or any part thereof immediately due and payable, without
demand, notice of intention to accelerate, notice of acceleration, notice of
non-payment, presentment, protest, notice of dishonor, or any other notice
whatsoever, all of which are hereby waived by Debtor.

            2.  REMEDIES.  Secured Party shall have all of the rights and
remedies provided for in this Agreement and in any other agreements executed by
Debtor, the rights and remedies of the Uniform Commercial Code of Texas, and any
and all of the rights and remedies at law and in equity, all of which shall be
deemed cumulative.  Without limiting the foregoing, Debtor agrees that Secured
Party shall have the right to: (a) require Debtor to assemble the Collateral and
make it available to Secured Party at a place designated by Secured Party that
is reasonably convenient to both parties, which Debtor agrees to do; (b)
peaceably take possession of the Collateral and remove same, with or without
judicial process; (c) without removal, render equipment included within the
Collateral unusable, and dispose of the Collateral on the Debtor's premises; (d)
sell, lease or otherwise dispose of the Collateral, at one or more locations, by
public or private proceedings, for cash or credit, without assumption of credit
risk; (e) upon or after default, exercise rights of set-off against funds and
other property of Debtor within Secured Party's custody or control; and/or (f)
after default, collect and receipt for, compromise, and settle, and give
releases, discharges and acquittances with respect to, any and all amounts owed
by any person or entity with respect to the Collateral.  Secured Party will send
Debtor reasonable notice of the time and place of any public sale or of the time
after which any private sale or other disposition will be made.  Any requirement
of reasonable notice to Debtor shall be met if such notice is mailed, postage
prepaid, to Debtor at the address of Debtor designated at the beginning of this
Agreement, at least fifteen (15) days before the day of any public sale or at
least fifteen (15) days before the time after which any private sale or other
disposition will be made.

            3.  EXPENSES.  Debtor shall be liable for and agrees to pay the
reasonable expenses incurred by Secured Party in enforcing its rights and
remedies, in retaking, holding, testing, repairing, improving, selling, leasing
or disposing of the Collateral, or like expenses, including, without limitation,
attorneys' fees and legal expenses incurred by Secured Party.  These expenses,
together with interest thereon from date incurred until paid by Debtor at the
maximum contract rate allowed under applicable laws, which Debtor agrees to pay,
shall constitute additional Obligations and shall be secured by and entitled to
the benefits of this Agreement.

            4.  PROCEEDS; SURPLUS; DEFICIENCIES.  Proceeds received by Secured
Party from disposition of the Collateral shall be applied toward Secured Party's
expenses and other Obligations in such order or manner as Secured Party may
elect.  Debtor shall be entitled to any surplus if one results after lawful
application of the proceeds.  Debtor shall remain liable for any deficiency.

            5.  REMEDIES CUMULATIVE.  The rights and remedies of Secured Party
are cumulative and the exercise of any one or more of the rights or remedies
shall not be deemed an election of rights or remedies or a waiver of any other
right or remedy.  Secured Party may remedy any default and may waive any default
without waiving the default remedied or without waiving any other prior or
subsequent default.

       J.   OTHER AGREEMENTS.

            1.  WAIVERS.  Debtor waives demand, notice of intention to
accelerate, notice of acceleration, notice of non-payment, presentment, protest,
notice of dishonor and any other similar notice whatsoever.

            2.  SEVERABILITY.  Any provision hereof found to be invalid by
courts having jurisdiction shall be invalid only with respect to such provision
(and then only to the extent necessary to avoid such invalidity).  The offending
provision shall be modified to the maximum extent possible to confer upon
Secured Party the benefits intended thereby.  Such provision as modified and the
remaining provisions hereof shall be construed and enforced to the same effect
as if such offending provision (or portion thereof) had not been contained
herein, to the maximum extent possible.

            3.  USE OF COPIES.  Any carbon, photographic or other reproduction
of any financing statement signed by Debtor is sufficient as a financing
statement for all purposes, including without limitation, filing in any state as
may be permitted by the provisions of the Uniform Commercial Code of such state.


                                         -5-

<PAGE>

            4.  RELATIONSHIP TO OTHER AGREEMENTS.  This Security Agreement and
the security interests (and pledges and assignments as applicable) herein
granted are in addition to (and not in substitution, novation or discharge of)
any and all prior or contemporaneous security agreements, security interests,
pledges, assignments, liens, rights, titles or other interests in favor of
Secured Party or assigned to Secured Party by others in connection with the
Obligations.  All rights and remedies of Secured Party in all such agreements
are cumulative, but in the event of actual conflict in terms and conditions, the
terms and conditions of the latest security agreement shall govern and control.

            5.  NOTICES.  Any notice or demand given by Secured Party to Debtor
in connection with this Agreement, the Collateral or the Obligations, shall be
deemed given and effective upon deposit in the United States mail, postage
prepaid, addressed to Debtor at the address of Debtor designated at the
beginning of this Agreement.  Actual notice to Debtor shall always be effective
no matter how given or received.

            6.  HEADINGS AND GENDER.  Paragraph headings in this Agreement are
for convenience only and shall be given no meaning or significance in
interpreting this Agreement.  All words used herein shall be construed to be of
such gender or number as the circumstances require.

            7.  AMENDMENTS.  This Agreement may be changed, amended, modified,
waived or discharged only by an instrument in writing signed by the party
against whom enforcement of the change, amendment, modification, waiver or
discharge is sought.

            8.  CONTINUING AGREEMENT.  The security interest (and pledges and
assignments as applicable) hereby granted and all of the terms and provisions in
this Agreement shall be deemed a continuing agreement and shall continue in full
force and effect until all obligations are extinguished or this Agreement is
terminated in writing.  Any such revocation or termination shall only be
effective if explicitly confirmed in a signed writing issued by Secured Party to
such effect and shall in no way impair or affect any transactions entered into
or rights created or Obligations incurred or arising prior to such revocation or
termination, as to which this Agreement shall be fully operative until same are
repaid and discharged in full.  Unless otherwise required by applicable law,
Secured Party shall be under no obligation to issue a termination statement or
similar documents unless Debtor requests same in writing and, provided further,
that all Obligations have been repaid and discharged in full and there are no
commitments to make advances, incur any Obligations or otherwise give value.

            9.  BINDING EFFECT.  The provisions of this Security Agreement
shall be binding upon the heirs, personal representatives, successors and
assigns of Debtor and the rights, powers and remedies of Secured Party hereunder
shall inure to the benefit of the successors and assigns of Secured Party.

            10.  GOVERNING LAW.  This Security Agreement shall be governed by
the law of the State of Texas and applicable federal law.

            11.  AGREEMENT FOR BINDING ARBITRATION.  The parties agree to be
bound by the terms and provisions of the current Arbitration Program of First
Interstate Bank of Texas, N.A. which is incorporated by reference herein and is
acknowledged as received by the parties, pursuant to which any and all disputes
shall be resolved by mandatory binding arbitration upon the request of any
party.

       EXECUTED this _______ day of September, 1995.

                                            DEBTOR:

                                            MANIFOLD VALVE SERVICES, INC., a
                                            Delaware corporation



                                            By:/s/ Andrew Cormier
                                               -----------------------------
                                                   Andrew Cormier, President


                                         -6-

<PAGE>

                       the following described property located in

Jennings, Jefferson Davis Parish, Louisiana, to-wit:

         Beginning at a point 25 feet South and 286.97 feet North 89 DEG.
         38'18" West of the Northeast corner of Section 27, Township Nine (9)
         South, Range Three (3) West, Louisiana Meridian, thence North 89 DEG.
         38'18" West 270.53 feet; thence South 00 DEG.22'42" West 123 feet; 
         thence North 89 DEG.38'18" West 76 feet; thence South 00 DEG.
         22'42" West 219.80 feet; thence South 89 DEG.38'18" East 316
         feet, more or less, to the center line of the Canal, thence following
         the center line of the canal Northeast 343 feet, more or less, to the
         point of beginning.








                             EXHIBIT     "A"
                                     ----------

<PAGE>


                                 EMPLOYMENT AGREEMENT

       This EMPLOYMENT AGREEMENT (this "Agreement") is made and entered into
effective as of January 31, 1992 (the "Effective Date"), by and between GARY
FARR, a resident of Humble, Texas (the "Executive"), and COMPRESSOR DYNAMICS,
LTD., a Texas limited partnership (the "Company").

                                     WITNESSETH:

       In consideration of the employment by the Company, and of the
compensation and other remuneration to be paid by the Company to the Executive
for such employment, and for other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged by the Executive, the Company
and the Executive agree as follows.

       1.    EMPLOYMENT TERM: TERMINATION.

       (a)   Subject to the terms and conditions hereof, the Company agrees to
employ the Executive for a term commencing as of the Effective Date and
continuing through the earliest to occur of:

               (i)     the death or Disability of the Executive;

              (ii)     the discharge of the Executive by the Company "For
                       Cause" (as defined below);

             (iii)     the discharge of the Executive by the Company other than
                       "For Cause";

              (iv)     the Company files a voluntary bankruptcy petition or is
                       otherwise adjudicated to be bankrupt or insolvent by a
                       court of competent jurisdiction; or

               (v)     January 31, 1997.

Such period of employment is referred to herein as the "Employment Term."  The
Executive hereby accepts such employment subject to the terms and conditions
hereof.

       (b)   As used herein, "For Cause" shall mean any one or more of the
following:

<PAGE>

               (i)     material or repeated violation by the Executive of the
                       terms of this Agreement or his material or repeated
                       failure to perform his duties as described in Section 2
                       in a manner consistent with his position;

              (ii)     excessive absenteeism on the part of the Executive not
                       related to illness;

             (iii)     the Executive's indictment for a felony;

              (iv)     the Executive's commission of fraud, embezzlement, theft
                       or crimes constituting moral turpitude, in any case
                       whether or not involving the Company, that, in the
                       reasonable opinion of the Company, render the
                       Executive's continued employment harmful to the Company;

               (v)     the voluntary resignation of the Executive without the 
                       prior consent of the Company unless such resignation 
                       arises from the breach of the Company of this Agreement 
                       or actions of the Company that violate applicable laws;

              (vi)     substance abuse on the part of the Executive; or

             (vii)     the Executive knowingly acting in bad faith relative to
                       the Company's business interests.

       (c)   As used herein, "Disability" shall mean a physical or mental
incapacity of the Executive that, in the good faith determination of the
Company, has prevented him from performing the duties assigned him by the
Company for 90 consecutive days or for a period of more than 90 days in
aggregate in any 18 month period and that, in the determination of the Company
after consultation with a medical doctor appointed by the Company, may be
expected to prevent the Executive for any period of time thereafter from
devoting his full time and energies to his duties as provided hereunder.  The
Executive's employment hereunder shall cease as of the date of such
determination.  The Executive agrees to submit to medical examinations, at the
Company's sole cost and expense, to determine whether a Disability exists
pursuant to reasonable requests that the Company may make from time to time.
During the period of any such physical or mental incapacity as provided above,
the salary otherwise payable to the Executive may, in the absolute discretion of
the Company, be reduced by the amount of any disability benefits or payments
received by the Executive from the Company or any health plan funded in whole or
in part by the Company (excluding health insurance benefits or other
reimbursement of medical expenses attributable to insurance policies that have
not been funded in any part by the Company).


                                         -2-

<PAGE>

       2.    DUTIES.  The Executive shall hold the title of president and
agrees to perform the duties normally associated with that office under the
control and at the direction of the Company and such other duties as the Company
from time to time may direct consistent with his position.  The Executive will
devote his full productive time, skill, energy, knowledge, and best efforts
during the Employment Term to such duties, and he will faithfully and diligently
endeavor to the best of his ability to further the best interests of the Company
during the Employment Term.  The place of business of the Executive shall be
initially located in or about Houston, Texas.  The Executive shall travel to
such geographical locations as may be appropriate and reasonable from time to
time to carry out his duties for the Company.  In the event that the Company
requires that the Executive permanently move to a new location in furtherance of
the Company's business, the Company shall pay all reasonable moving expenses
incurred by the Executive in connection with such move that have been pre-
approved by the Company in writing.  If the Executive fails to move to such new
location within a reasonable time period required by the Company, the Executive
shall be deemed to have terminated the Employment Term pursuant to Section
1(b)(v), and the Company shall pay the Executive a monthly amount equal to one-
twelfth of the Executive's annual base salary determined as of the date of the
termination of the Employment Term, commencing on the last day of the first full
month following termination of the Employment Term, and continuing through the
last day of the third full month following such termination.

       3.    COMPENSATION AND BENEFITS.

       (a)   For all services rendered by the Executive under this Agreement,
the Company shall pay the Executive a base salary at the rate of $119,200 per
year, payable bi-weekly currently during the Employment Term.  Bonus payments
and base salary adjustments, other than as described in this Agreement, if any,
may be made in the sole discretion of the Company and nothing in this Agreement
shall entitle the Executive to receive any bonus payments other than as
described in this Agreement.  The Executive shall be entitled to receive group
health/dental insurance, disability insurance and similar benefits as are made
available to the Company's employees generally. The Executive shall also be 
entitled to receive such benefits as the Company from time to time may elect 
in its discretion to provide for him. The Executive shall be entitled to 
fifteen business days paid vacation during each full year of his employment
hereunder, but shall not take more than ten consecutive business days at any
given time.  Such vacations shall be taken at such times as are consistent with
the reasonable business needs of the Company.  All vacation days that the
Executive is entitled to hereunder must be taken, if at all, on or before
December 31 of each year.  The right to any vacation days not taken by the 
Executive in any calendar year will be forfeited by the Executive as of
December 31 of each year.


                                         -3-

<PAGE>

       (b)   The Company shall pay the Executive as of the end of each calendar
year during the Employment Term, a bonus (the "EBIT Bonus") equal to 5% of the
annual earnings before interest and taxes, and management fees charged by
beneficial owners of the Company, calculated in accordance with generally
accepted accounting principles ("EBIT") attributable to the operations of the
facilities leased by Company and located in Houston, Texas, Eastland, Texas, and
Seminole, Oklahoma and such other locations as may be established by the Company
from time to time (the "Facilities") if EBIT for any given fiscal year of the
Company exceeds $325,000.  For any fiscal year in which the Employment Term
terminates, the EBIT Bonus shall be payable, if at all, to the Executive on a
pro rata basis based on the number of days in such fiscal year that the
Executive was employed by the Company.  In no event shall the Company be
obligated to pay the EBIT Bonus to the Executive for any fiscal year if during
such fiscal year the Executive breaches any obligation of the Executive under
this Agreement or under any other written agreement entered into between the
Executive and the Company.  The EBIT Bonus shall be payable to the Executive
only if the operations of the Facilities produce a positive Discretionary Cash
Flow (as defined below) for any given fiscal year.  The term "Discretionary Cash
Flow" shall mean, in all cases with respect to the operations of the Facilities,
EBIT plus depreciation and amortization, less capital expenditures, scheduled
term loan payments (both principal and interest), and federal and state income
taxes payable (based on the actual taxable income resulting from all operations
of the Facilities as determined by the Company at the tax rates for the fiscal
year in question applicable to the beneficial owners of the Company).

       (c)   The Company will provide the Executive with an automobile (the
"Automobile") for use by the Executive in connection with the performances of
his duties under this Agreement.  The Executive may also use the Automobile for
reasonable personal use.  The Executive shall return the Automobile to the
Company upon the termination of the Employment Term.

       (d)   The Company will pay the premiums on a $500,000 term life
insurance policy (the "Policy") selected by the Company and covering the
Executive for a period beginning on January 31, 1992, and continuing through the
end of the Employment Term.  The Company will be the beneficiary under the
Policy.

       (e)   Within 30 days of the closing of any sale of all of the assets
used by the Company in operating the business formerly known as "Compressor
Dynamics" (the "Assets"), as the same may be subsequently expanded by the amount
of any additional capital contributions and/or the initial federal income tax
basis in any additional assets contributed to the Company, contracted or
modified during the Employment Term, the Company agrees to pay to the Executive
10% of an amount equal to:  (i) the net present value (as of the sale date) of
all consideration received by the Company upon such sale of the Assets (the "Net
Present Value"), less (ii) the Company's initial federal income tax


                                         -4-


<PAGE>

basis in the Assets (including a purchase price of $3,600,000 plus other
capitalizable acquisition costs (including, without limitation, legal expenses,
due diligence costs and points)) estimated to be approximately $3,650,000 as of
January 31, 1992, increased by the amount of any capital contributions and/or
the initial federal income tax basis in any additional assets contributed to the
Company (the "Company's Basis"). If the Executive is terminated pursuant to
Section 1(a)(iii) and a sale of the Assets occurs within one year following such
date of termination, the Company shall pay to the Executive, within 30 days
following the closing of any such sale of the Assets, 10% of the amount by which
the lesser of (i) the Net Present Value, or (ii) the fair market value of the
net assets of the business formerly known as "Compressor Dynamics", as the same
may be subsequently expanded, contracted or modified as determined by the
Company, in its sole judgment, as of the date of termination of the Executive,
exceeds the Company's Basis; provided, however, that in no event shall the
Company be obligated to make such payment to the Executive if the Executive
breaches any material obligation of the Executive under this agreement or under
any other written agreement entered into between the Executive and the Company.
If the Executive is terminated pursuant to Section 1(a)(iii) and a sale of the
Assets does not occur within one year following such date of termination, the
Company shall issue to the Executive an unsecured, non-interest bearing
promissory note executed by the Company and payable to the Executive upon the
earlier to occur of (A)five years following the date of termination of the
Executive, or (B) 30 days following the closing date of any sale of assets, in
the original principal amount of an amount equal to 10% of the amount by which
the fair market value of the net assets of the business formerly known as
"Compressor Dynamics", as the same may be subsequently expanded, contracted, or
modified as determined by the Company, in its sole judgment, as of the date of
termination of the Executive, exceeds the Company's basis; provided, however,
that in no event shall the Company be obligated to issue such promissory note or
make such payment to the Executive if the Executive breaches any obligation of
the Executive and the Company.


    4.   REIMBURSEMENT FOR BUSINESS EXPENSES. During the Employment Term, the
Executive is authorized to incur reasonable, ordinary and necessary business
expenses in the performance of his duties to the Company in accordance with
policies established by the Company form time to time. The Executive shall
account to the Company for all such expenses and the Company shall pay or
reimburse the Executive for such expenses in accordance with the reimbursement
policies established by the Company.

    5.   EFFECT OF TERMINATION OF EMPLOYMENT TERM: SEVERANCE. If the Employment
Term is terminated, then the Executive's rights and the Company's obligations
hereunder (including, without limitation, the Company's's obligation to pay
salary and bonuses and provide benefits as set forth herein) shall forthwith
terminate except as expressly provided in this agreement. If the Employment Term
is terminated pursuant to Section 1(a)(iii),


                                         -5-

<PAGE>

the Company shall pay the Executive one-half of his annual base salary as
provided in Section 3(a) within 30 days following of such termination and shall
pay to the Executive if the Executive has not yet been employed elsewhere, a
monthly amount equal to one-twelfth of the Executive's annual Base salary
determined as of the date of termination commencing on the last day of the
seventh month following the date of such termination and continuing on the last
day of each month thereafter until the earlier to occur of (a) the date the
Executive is employed elsewhere, or (b) the last day of the twelfth full month
following the date of such termination.  If the Employment Term is terminated
pursuant to Section 1(b)(v) within 30 days following any reduction in the
Executive's annual base salary by 15% or more, the Company shall pay the
Executive a monthly amount equal to one-twelfth of the Executive's annual base
salary determined as of the date of termination of the Employment Term
commencing on the last day of the first month following the termination of the
Employment Term, and continuing through the last day of the third full month
following such termination.

    6.   CONFIDENTIAL INFORMATION.  The Executive recognizes and acknowledges
that he will have access to certain information of members of the Company Group
(as defined below) and that such information is confidential and constitutes a
valuable, special and unique property of such members of the Company Group.  As
used herein "Company Group" means the Company, its partners, and any entity that
directly or indirectly controls, is controlled by, or is under common control
with the Company or any of its partners, and for purposes of this definition
"control" means the possession, directly or indirectly, of the power to direct
or cause the direction of the management and policies of such entity, whether
through the ownership of voting securities, by contract or otherwise (it being
understood that the limited partners in the Company do not control such
partnership or entity it controls).  Except as required by law, the Executive
shall not at any time, either during or subsequent to the Employment Term,
disclose to others, use, copy or permit to be copied, except in pursuance of his
duties for and on behalf of the Company, it successors, assigns or nominees, any
Confidential Information of any member of the Company Group (regardless of
wether developed by the Executive) without the prior written consent of Company.
The term "Confidential Information" with respect to any person means any secret
or confidential information or know how and shall include, but shall not be
limited to, the plans, the customers, costs, prices, uses, and applications of
products and services, results of investigations, studies or experiments owned
or used by such person, and all apparatus, products, processes, compositions,
samples, formulas, computer programs, computer hardware designs, computer
firmware designs, and servicing, marketing, or manufacturing methods, and
techniques at any time used, developed, investigated, made or sold by such
person, before or during the Employment Term, that are not are not readily
available to the public or that are maintained as confidential by such person.
The term "Confidential Information" shall not include any information or data
that becomes generally available to the public other than by a breach of the
Executive of his obligations under this Agreement.  The Executive shall maintain
in confidence any


                                         -6-

<PAGE>

Confidential Information of third parties received as a result of his employment
with the Company in accordance with the Company's obligations to such third
parties and the policies established by the Company.

    7.   DELIVERY OF DOCUMENTS UPON TERMINATION.  The Executive shall deliver
to the Company or its designee at the termination of his employment all
correspondence, memoranda, notes, records, drawings, sketches, plans, customer
lists, product compositions, and other documents and all copies thereof, made
composed or received by the Executive, solely or jointly with others, that are
in the Executive's possession, custody, or control at termination and that are
related in any manner to the past, present, or anticipated business of any
member of the Company Group.  In this regard, the Executive hereby grants and
conveys to the Company all right, title and interest in and to, including
without limitation, the right to poses, print, copy, and sell or otherwise
dispose of, any reports, records, papers, summaries, photographs, drawings or
other documents, and writings, and copies, abstracts or summaries thereof, that
may be prepared by the Executive or under his direction or that may come into
his possession in any way during the term of his employment with the Company
that relate in any manner to the past, present, or anticipated business of any
member of the Company Group.

    8.   DISCLOSURE AND RECEIPT OF CONFIDENTIAL INFORMATION.  The Executive
shall not, at any time during his employment, receive from persons not employed
by the Company, any Confidential Information, as described above, not belonging
to the Company, unless a valid agreement is authorized by the Company and is
signed by both the Company and the disclosing party.  The Executive shall not
use or disclose to other employees of the Company, during his employment with
the Company, Confidential Information belonging to his former employers, former
business associates, or any other third parties unless written permission has
been given by such third parties to the company and accepted by the Company to
allow the Company to use and/or disclose such information.  The Executive shall
defend and indemnify the Company Group for any breach of the covenant contained
on the preceding sentence; provided, however, that the indemnity contained in
this sentence shall be limited to actual damages incurred by the Company Group
and any claim by the Company Group for indemnification under this sentence must
be commenced within three years following the termination of the Employment
Term.

    9.   INTELLECTUAL PROPERTY.  The Executive shall hold in trust for the
benefit of the Company, and shall disclose promptly and fully to the Company in
writing, and hereby assigns, and binds his heirs, executors, and administrators
to assign to the Company any and all inventions, discoveries, ideas, concepts,
improvements, copyrightable works, and other developments (the "Developments")
conceived, made, discovered or developed by him, solely or jointly with others,
during the term of his employment by the Company, whether during or outside of
usual working hours and whether on the Company's premises or not, that relate in
any manner to the past, present or anticipated business of the

                                        - 7 -

<PAGE>

Company.  All works of authorship created by the Executive, solely or jointly
with others, shall be considered works made for hire under the Copyright Act of
1976, as amended, and shall be owned entirely by the Company.   Any and all such
Developments shall be the sole and exclusive property of the Company, whether
patentable, copyrightable, or neither, and the Executive shall assist and fully
cooperate in every way, at the Company's expense, in securing, maintaining, and
enforcing, for the benefit of the Company or its designee, patents, copyrights
or other types of proprietary or intellectual property protection for such
developments in any and all countries.  Within one year following the end of the
Employment Term and without limiting the generality of the foregoing, any
Development of the Executive relating to any subject matter on which the
Executive worked or was informed during his employment by the Company shall be
conclusively presumed to have been conceived and made prior to the termination
of his employment (unless the Executive clearly proves that such development was
conceived and made following the termination of his employment), and shall
accordingly belong and be assigned tot he Company and shall be subject to this
Agreement.

    10.  FURTHER ACTS.  At the request of the Company (but without additional 
compensation from the Company during his employment by the Company) the 
executive shall execute any and all papers and perform all lawful acts that 
the Company may deem reasonably necessary or appropriate to further evidence 
or carry out the transactions contemplated in this Agreement including, 
without limitation, such acts as may be necessary for the preparation, 
filing, prosecution, and maintenance of applications for United States 
letters patent and foreign letters patent, or for United States and foreign 
copyright, on the Developments.

    11.  NO CONFLICTS, DISCLOSURE.  Without the prior written consent of the
Company, the Executive shall not, directly or indirectly, enter into any
business affiliation or enterprise, including without limitation, the
establishment of a proprietorship or the participation in a partnership or joint
venture or acquire any equity interest in a corporation (other than solely on
account interests not amounting to more than 5% of the total equity interests in
an entity if such interests are traded on stock exchanges or through other
recognized securities markets or were acquired though a syndication in which the
Executive did not participate, directly or indirectly, as a promoter ("Excluded
Interests")).  The Executive represents and warrants that, except as disclosed
on Exhibit A.  Attached hereto, as of the Effective Date he is not engaged in
any such business affiliation and does not own any such equity interests.
Moreover, in keeping with the Executive's fiduciary duties to the Company, the
Executive shall not, acting alone or in conjunction with others, directly or
indirectly, become involved in any conflict of interest, or upon discovery
thereof, allow such conflict to continue.  The Executive shall promptly disclose
to the Company any facts that might involve any reasonable possibility of a
conflict of interest.  It is agreed that any direct or indirect interest in,
connection with, or benefit from any outside activities, particularly commercial
activities, which interest


                                         -8-

<PAGE>

might in any way adversely affect any member of the Company Group involves a
possible conflict of interest.  Circumstances in which a conflict of interest on
the part of the Executive would or might arise, and which should be reported
immediately by the Executive to the Company include, but are not limited to, the
following:  (a) acceptance, directly or indirectly, of payments, services or
loans from a supplier, contractor, subcontractor, customer or other entity with
any member of the Company Group does business, including, but not limited to,
gifts, trips, entertainment, or other favors of more than nominal value; (b)
misuse of information or facilities of any member of the Company Group to which
the Executive has access in a manner which will be detrimental to the interests
of the Company Group such as utilization for the Executive's own benefit of
know-how or information developed through the business or research activities of
any member of the Company Group; and (c) the appropriation to the Executive or
the diversion to others, directly or indirectly, of any business opportunity
with respect to which it is known that any member of the Company Group, or could
be reasonably be anticipated that the Company, would be interested such as the
opportunity for purchase or lease of real estate, the creation of a joint
venture or other business relationship, or the marketing of products, services
or the like.

       12.   NO COMPETITION.   Throughout the Employment Term and, unless the
Employment Term terminates pursuant to Section 1(a)(iii), through the first
anniversary of the expiration thereof, the Executive shall not directly or 
indirectly engage in the business of leasing, packaging, servicing, renting, or
selling compressors, compressor packages, or compressor components or any other
business in which any member of the Company Group directly or indirectly engages
during the Employment Term; provided, however, that the restriction in this
Section 12 shall apply only to the reasonable and limited geographic area
consisting of any state in which any member of the Company Group directly or
indirectly has offices, operates or otherwise conducts business.  For purposes
of this Section 12, a person shall be deemed to engage in any business or have
offices indirectly if any entity in which such person has a direct or indirect
equity interest (other than Excluded Interests) engages in such business or has
such offices.

       13.   NO TAMPERING.   Throughout the Employment Term and through the
first anniversary of the expiration thereof, the Executive shall not
intentionally (a) request, induce or attempt to influence any distributor or
supplier of goods or services to any member of the Company Group to curtail or
cancel any business they mat transact with any member of the Company Group; (b)
request, induce or intentionally attempt to induce any customers of any member
of the Company Group that have done business with ir potential customers which
have been in contact with any member of the Company Group to curtail or cancel
any business they may transact with any member of the Company Group; or (c)
request, induce or attempt to influence any employee of any member of the
Company Group to terminate his or her employment with such member of the Company
Group.


                                         -9-

<PAGE>

       14.   PUBLICITY AND ADVERTISING.   The Executive agrees that the Company
may use his name, picture, or likeness for any Company advertising, publicity,
or other business purpose at any time, during his employment by the Company and
may continue to use materials generated during his employment for a period of
six months thereafter.  Such use of the Executive's name, picture or likeness
shall not be deemed to result in any invasion of the Executive's privacy or in a
violation of any property right the Executive might have; and the Executive
shall receive no additional consideration if his name, picture or likeness is so
used.  The Executive further agrees that any negatives, prints or other material
for printing or reproduction purposes prepared in connection with the use of his
name, picture or likeness by the Company shall be and are the sole property of
the Company.

       15.   REMEDIES.   Each party hereto acknowledges that a remedy at law
for any breach of Executive's obligations under Sections 6 through 13 may be
inadequate, agrees that each other party may be entitled to specific performance
and injunctive and other equitable remedies in case of any such breach or
attempted breach, and further agrees to waive any requirement for the securing
or posting of any bond in connection with the obtaining of any such injunctive
or other equitable relief.  To the extent allowed by law, the Company shall have
the right to offset against amounts to be paid to the Executive pursuant to the
terms hereof any amounts from time to time owing by the Executive to the
Company.  The termination of the Employment Term for any reason shall not be
deemed to be a waiver by the Company of any breach by the Executive of this
Agreement or any other obligation  owed the Company, and notwithstanding such a
termination the Executive shall be liable for all damages attributable to such a
breach; provided, however, that the Company shall commence any legal action, if
at all, against the Executive for damages attributable to such a breach within
five years following any such termination of the Employment Term.

       16.   NO WAIVER.   No waiver or non-action by either party with respect
to any breach by the other party of any provision of this agreement, nor the
waiver or non-action with respect to the provisions of similar agreements with
other employees or the breach thereof, shall be deemed or construed to be a
waiver of any succeeding breach of such provision, or as a waiver of the
provision itself.

       17.   INVALID PROVISIONS.   Should any portion of this agreement be
adjudged or held to be invalid, unenforceable and void, such holding shall not
have the effect of invalidating or voiding the remainder of this Agreement and
the parties hereby agree that the portion so held invalid, unenforceable and
void, shall if possible, be deemed amended or reduced in scope, or otherwise be
stricken from this Agreement to the extent required for the purposes of validity
and enforcement thereof.


                                         -10-

<PAGE>

       18.   SUCCESSORS AND ASSIGNS.   The Executive may not assign his rights
or delegate his duties or obligations hereunder without the written consent of
the Company.  Otherwise, this Agreement shall be binding upon and inure to the
parties hereto and their respective heirs, executors, distributees, and
permitted successors and assigns.

       19.   SURVIVAL OF THE EXECUTIVE'S OBLIGATIONS.   The Executive's
obligations under this Agreement shall survive for a period of three years
following the termination of the employment Term, regardless of whether the
Executive's employment by the Company is terminated, voluntarily or
involuntarily, by the Company or the Executive, with or with out cause.

       20.   PRIOR AGREEMENTS.   This Agreement incorporates the entire
agreement of the parties with respect to the subject matter hereof and
supersedes all prior agreements, documents, or other instruments with respect to
the matters covered hereby.

       21.   GOVERNING LAW.   THIS AGREEMENT SHALL BE GOVERNED BY, AND
INTERPRETED IN ACCORDANCE WITH THE PROVISIONS OF, THE LAW OF THE STATE OF TEXAS,
WITHOUT REFERENCE TO PROVISIONS THAT REFER A MATTER TO THE LAW OF ANY OTHER
JURISDICTION.

       22.   NO ORAL MODIFICATIONS.   This Agreement may not be changed or
terminated orally, and no change, termination or waiver of this Agreement or of
any of the provisions herein contained shall be binding unless made in writing
and signed by both parties.  Without limiting the foregoing, any change or
changes, from time to time, in the Executive's salary or duties or both shall
not be, nor bedeemed to be,  a change, termination or waiver of this Agreement
or of any of the provisions herein contained.

       23.   NOTICES.   All notices and other communications required or
permitted hereunder shall be in writing, and shall be deemed properly given if
delivered personally, mailed by certified mail, postage prepaid and return
receipt requested, sent by facsimile, or sent by Express Mail or Federal Express
or other nationally recognized express delivery service, as follows:

       If to the Company:

             Compressor Dynamics, Ltd.
             c/o The Catalyst Group, Inc.
             Three Riverway, Suite 770
             Houston, Texas  77056
             Attention:  Daryl A. Hays
             Telecopy No. (713) 623-0473


                                         -11-

<PAGE>

       If to the Executive:

             Gary Farr
             19410 Forest Timbers Ct.
             Humble, Texas 77346


Notice given by hand, Express Mail, Federal Express, or other such express
delivery service shall be effective upon actual receipt.  Notice given by
facsimile transmission shall be effective upon actual receipt if received during
the recipient's normal business hours, or at the beginning of the recipient's
next business day after receipt if not received during the recipient's normal
business hours.  All notices by facsimile transmission shall be confirmed
promptly after transmission in writing by certified mail or personal delivery. 
Any party may change an address to which notice is to be given to it by giving
notice as provided above of such change of address.

       24.   EXECUTIVE'S REPRESENTATIONS AND WARRANTIES.   The Executive
represents and warrants that he is legally free to make and perform this
Agreement, that he has no obligation to any other person or entity that would
affect or conflict with any of his obligations hereunder, and that the complete 
performance of his obligations hereunder will not violate any law, regulation,
order or decree of any governmental or judicial body or contract by which he is
bound.

       25.   ARBITRATION.   The parties agree that any dispute or claim
concerning this Agreement or the terms and conditions of employment, including
whether such dispute or claim is arbitrable, will be settled by binding
arbitration.  The arbitration proceeding shall be conducted under the Commercial
Arbitration Rules of the American Arbitration Association in effect at the time
a demand of arbitration was made.  A decision and award of the arbitrator made
under said rules shall be exclusive, final and binding on both parties, their
heirs, executors, administrators, successors and assigns.  All reasonable costs
and expenses of the arbitration shall be borne by the party against whom such
arbitrator rules.


                                         -12-

<PAGE>



     EXECUTED as of the first date written above.

                                COMPRESSOR DYNAMICS, LTD.

                                By: CATALYST COMPRESSOR, INC.


                                    By: /s/Daryl Hays
                                       ----------------------------------
                                    Name: Daryl Hays
                                         --------------------------------
                                    Title: President
                                          -------------------------------



                                 /s/Gary M. Farr    2/14/92
                                -----------------------------------------
                                GARY FARR


                                         -13-
<PAGE>

                                      EXHIBIT A


                                         -14-

<PAGE>

June 15, 1995



Mr. Gary Farr
Compressor Dynamics, Inc
104 Riley Rd.
Houston, Texas 77047


Dear Gary:

Pursuant to Section 18 (see attached) of the employment contract executed on
1/31/92 between yourself and Compressor Dynamics, Ltd., the contract has been
assigned to Compressor Dynamics, Inc.

Please sign in the space provided below indicating your acceptance and
acknowledgement of this assignment. Please return the original to us.



Sincerely,
/s/Robert Scarfo
- ----------------
Robert Scarfo





                              Accepted and Acknowledged
                         this 15th day of June, 1995 by:
                                   /s/Gary M. Farr
                           -------------------------------
                                      Gary Farr


<PAGE>

Amendment to employment agreements dated January 31, 1992 between Executive and
the Company:

By mutual agreement, we acknowledge that it was the understanding and intent
that the obligations specified in paragraph 3(e) of the employment agreement
dated January 31, 1992 between the Executive and the Company would be honored by
Catalyst Capital Partners I, Ltd. ("CCP I, Ltd.", the limited partner of
Compressor Dynamics Ltd.)and not by the Company. Therefore, we hereby mutually
agree to amend paragraph 3 (e) to replace "the Company" with CCP I, Ltd. (a 
Texas limited partnership).

Furthermore, we hereby acknowledge that the 385,714 shares of Catalyst Energy
Services Inc. common stock granted to the Executive in September, 1995 were in
full satisfaction of CCP I, Ltd.'s obligation under paragraph 3(e) of the
agreement. All other terms and conditions of the employment agreement between
the Executive and the Company remain in full force and effect.


Agreed to this 8 day of
March, 1996
                                  Executive:

                                  /s/Gary M. Farr
                                  ----------------------

                                  Compressor Dynamics, Inc.:

                                  /s/Gary M. Farr
                                  ----------------------
                                  By its      President

                                  Catalyst Capital Partners I, Ltd.:

                                  /s/Rick Herrman
                                  -----------------------
                                  Rick Herrman, V.P. of its
                                  General Partner
                                  The Catalyst Group Inc.



<PAGE>

                                     EXHIBIT 21.1

                              SUBSIDIARIES OF REGISTRANT


AS OF DECEMBER 31, 1995 THE REGISTRANT WHOLLY OWNED SUBSIDIARIES WERE AS
FOLLOWS:

              MANIFOLD VALVE SERVICES, INC.      DELAWARE CORPORATION
              COMPRESSOR DYNAMICS, INC.           DELAWARE CORPORATION


<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               DEC-31-1995
<CASH>                                         321,946
<SECURITIES>                                         0
<RECEIVABLES>                                1,622,961
<ALLOWANCES>                                  (92,028)
<INVENTORY>                                  2,865,280
<CURRENT-ASSETS>                             4,718,159
<PP&E>                                       5,932,336
<DEPRECIATION>                             (2,428,795)
<TOTAL-ASSETS>                               8,405,756
<CURRENT-LIABILITIES>                        2,030,778
<BONDS>                                      2,368,752
                                0
                                      3,192
<COMMON>                                     1,209,740
<OTHER-SE>                                   2,793,294
<TOTAL-LIABILITY-AND-EQUITY>                 8,405,756
<SALES>                                              0
<TOTAL-REVENUES>                            11,308,691
<CGS>                                        7,124,550
<TOTAL-COSTS>                               10,199,644
<OTHER-EXPENSES>                             (204,233)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             272,492
<INCOME-PRETAX>                              1,040,788
<INCOME-TAX>                                   619,370
<INCOME-CONTINUING>                            421,418
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   421,418
<EPS-PRIMARY>                                      .03
<EPS-DILUTED>                                      .03
        

</TABLE>


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