NEW ZMAX CORP
8-K, 1999-10-18
COMPUTER INTEGRATED SYSTEMS DESIGN
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                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549


                                   FORM 8-K

                                CURRENT REPORT

                    Pursuant to Section 13 or 15 (d) of the
                      Securities and Exchange Act of 1934



Date of Report (Date of earliest event reported): October 1, 1999
                                                  ---------------

                               ZMAX CORPORATION
            (Exact name of Registrant as specified in its charter)


                               ZMAX CORPORATION
   -------------------------------------------------------------------------
            (Exact name of registrant as specified in its charter)

           DELAWARE                  000-23967            52-2040275
 ----------------------------       ------------        --------------
 (State or other jurisdiction       (Commission         (IRS Employer
      of incorporation)             File Number)        Identification
                                                            Number)

   20251 CENTURY BOULEVARD, GERMANTOWN, MD               20874
   ----------------------------------------            ----------
   (Address of principal executive offices)            (zip code)


Registrant's telephone number, including area code: (301)353-9500
                                                    -------------

                                Not Applicable
   -------------------------------------------------------------------------
         (Former name or former address, if changed since last report)


<PAGE>

Item 2.     ACQUISITION OR DISPOSITION OF ASSETS.

      On October 1,  1999,  ZMAX  Corporation,  a  Delaware  corporation  (the
"Company"),  acquired  100% of the issued  and  outstanding  capital  stock of
Parker  Management  Consultants,  Ltd.,  a  Delaware  corporation  ("Parker"),
through (i) the payment to the sole  shareholder of Parker of up to $1,500,000
in cash,  subject to post-closing  adjustments;  (ii) the issuance to the sole
shareholder of Parker of a three-year  promissory note in the principal amount
$3,000,000;  and (iii) the  issuance  to the sole  shareholder  of Parker of a
warrant to purchase  200,000 shares of the Company's  common stock,  par value
$.001 per share (the  "Common  Stock"),  for the  purchase  price of $5.00 per
share. The acquisition was accomplished by means of a merger (the "Merger") of
Parker Acquisition  Corporation,  a Delaware  corporation  ("Acquisition") and
wholly-owned  subsidiary of the Company, with and into Parker, pursuant to the
terms of the  Agreement  and Plan of Merger,  dated as of October 1, 1999 (the
"Agreement"),  by and  among the  Company,  Acquisition,  Parker  and the sole
shareholder of Parker.  The terms of the Merger  consideration were determined
in arm's-length  negotiations  between the Company and the sole shareholder of
Parker.  The  source  for the  Company's  payment  of the cash  portion of the
purchase  price was the  Company's  internal  working  capital.  A copy of the
Agreement  is  filed  as an  exhibit  hereto  and is  incorporated  herein  by
reference.

      Parker is engaged in the business of computer  consulting and enterprise
resource planning,  and will continue to engage in such business following the
Merger. Acquisition was formed solely for the purpose of merging with and into
Parker pursuant to the Agreement.


Item 7.     FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

      In accordance  with Items 7(a)(4) and 7(b)(2) of Form 8-K, the financial
statements  called for by Item 7(a) of Form 8-K and Rule 3-05(b) of Regulation
S-X, and the pro forma financial  information  called for by Item 7(b) of Form
8-K and Article XI of  Regulation  S-X,  will be filed by amendment as soon as
practicable but not later than November 30, 1999.

      The following exhibit is filed herewith:

      EXHIBIT NO.                        DOCUMENT

          2             Agreement  and Plan of Merger,  dated as of October 1,
                        1999,   by  and   among   ZMAX   Corporation,   Parker
                        Acquisition     Corporation,     Parker     Management
                        Consultants,  Ltd.,  Westmont  Non-Grantor  Trust, and
                        Kenneth W. Parker and Jennifer L. Parker.


                                       2

<PAGE>

                                  SIGNATURES


      Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant  has duly  caused  this  report to be  signed on its  behalf by the
undersigned thereunto duly authorized.


                                                     ZMAX CORPORATION
                                                     (Registrant)


Dated: October 15, 1998                            By: /s/MICHAEL C. HIGGINS
                                                       ---------------------
                                                       Michael C. Higgins
                                                       President



                         AGREEMENT AND PLAN OF MERGER

                          (REVERSE TRIANGULAR MERGER)


                                 BY AND AMONG


                               ZMAX CORPORATION,
                            A DELAWARE CORPORATION

                        PARKER ACQUISITION CORPORATION,
                            A DELAWARE CORPORATION

                     PARKER MANAGEMENT CONSULTANTS, LTD.,
                            A DELAWARE CORPORATION

                                      AND

                          WESTMONT NON-GRANTOR TRUST,
                            AS THE SOLE SHAREHOLDER

                                      AND

                   KENNETH W. PARKER AND JENNIFER L. PARKER,
                          AS THE TRUST BENEFICIARIES


                                OCTOBER 1, 1999


<PAGE>

<TABLE>
<CAPTION>
                               TABLE OF CONTENTS
                                                                                                     PAGE

                                   ARTICLE I

                                  DEFINITIONS

<S>               <C>                                                                                 <C>
Section 1.01      Definitions.......................................................................   5


                                  ARTICLE II

                     THE MERGER AND PLAN OF REORGANIZATION

Section 2.01      The Merger.........................................................................  6
Section 2.02      Effects of the Merger.............................................................   6
Section 2.03      Directors and Officers............................................................   7
Section 2.04      Conversion of Parker Shares.......................................................   7
Section 2.05      Closing...........................................................................   7


                                  ARTICLE III

                             CONVERSION OF SHARES

Section 3.01      Conversion of Parker Shares.......................................................   7
Section 3.02      Adjustments; Delivery of Certificates.............................................   8


                                  ARTICLE IV

                   REPRESENTATIONS AND WARRANTIES OF PARKER,
               THE SOLE SHAREHOLDER AND THE TRUST BENEFICIARIES

Section 4.01      Organization......................................................................   9
Section 4.02      Capitalization....................................................................   9
Section 4.03      Authority Relative to this Agreement..............................................   9
Section 4.04      Consents and Approvals; No Violations.............................................  10
Section 4.05      Financial Statements..............................................................  10
Section 4.06      Absence of Certain Changes........................................................  11
Section 4.07      No Undisclosed Liabilities........................................................  11
Section 4.08      Accuracy of Statements............................................................  11
Section 4.09      No Default .......................................................................  11
Section 4.10      Litigation........................................................................  11
Section 4.11      Compliance with Applicable Law....................................................  11
Section 4.12      Taxes.............................................................................  12
Section 4.13      ERISA.............................................................................  13


<PAGE>

Section 4.14      Intellectual Property.............................................................  13
Section 4.15      Change in Control.................................................................  14
Section 4.16      Brokers; Finders..................................................................  14
Section 4.17      Operations of Parker..............................................................  14
Section 4.18      Insurance.........................................................................  15
Section 4.19      Assets............................................................................  15
Section 4.20      Improper and Other Payments.......................................................  16
Section 4.21      Additional Representations........................................................  16


                                   ARTICLE V

            REPRESENTATIONS AND WARRANTIES OF ZMAX AND ACQUISITION

Section 5.01      Organization......................................................................  18
Section 5.02      Capitalization....................................................................  18
Section 5.03      Authority Relative to this Agreement..............................................  19
Section 5.04      Consents and Approvals; No Violations.............................................  19
Section 5.05      Reports...........................................................................  19
Section 5.06      Accuracy of Statements............................................................  20
Section 5.07      No Undisclosed Liabilities........................................................  20
Section 5.08      No Default........................................................................  20
Section 5.09      Litigation........................................................................  20
Section 5.10      Compliance with Applicable Law....................................................  20
Section 5.11      Brokers; Finders..................................................................  21
Section 5.12      Interim Operations of Acquisition.................................................  21


                                  ARTICLE VI

                                   COVENANTS

Section 6.01      Covenants of Parker, the Sole Shareholder and the Trust Beneficiaries.............  21
Section 6.02      Press Releases....................................................................  23
Section 6.03      No Solicitation...................................................................  23
Section 6.04      Access to Information.............................................................  24
Section 6.05      Best Efforts......................................................................  24
Section 6.06      Shareholders Meeting..............................................................  24
Section 6.07      Contact Clients...................................................................  24
Section 6.08      Notice Regarding Change in Circumstances..........................................  25
Section 6.09      Indemnification...................................................................  25
Section 6.10      Parker Employment or Consulting Agreements........................................  28
Section 6.11      Stock Options.....................................................................  28
Section 6.12      Registration Rights...............................................................  29
Section 6.13      Expenses..........................................................................  29
Section 6.14      Non-Competition Agreements........................................................  29


                                      2

<PAGE>

Section 6.15      Employment and Consulting Agreements..............................................  31
Section 6.16      Limitations on Parker Liabilities and Certain Assets..............................  31


                                  ARTICLE VII

                                  CONDITIONS

Section 7.01      Conditions to Each Party's Obligation to Effect the Merger........................  32
Section 7.02      Conditions of Obligations of ZMAX and Acquisition to Effect the Merger............  32
Section 7.03      Conditions of Obligation of Parker to Effect the Merger...........................  34


                                 ARTICLE VIII

                           TERMINATION AND AMENDMENT

Section 8.01      Termination.......................................................................  37
Section 8.02      Effect of Termination.............................................................  37
Section 8.03      Amendment.........................................................................  37
Section 8.04      Extension; Waiver.................................................................  37


                                  ARTICLE IX

                         POST-EFFECTIVE DATE COVENANTS

Section 9.01      Further Instruments and Actions...................................................  38
Section 9.02      Parker 401(k) Plan Contribution...................................................  38


                                   ARTICLE X

                                 MISCELLANEOUS

Section 10.01     Survival of Representations and Warranties; Escrow................................  38
Section 10.02     Notices...........................................................................  39
Section 10.03     Descriptive Headings..............................................................  40
Section 10.04     Counterparts......................................................................  40
Section 10.05     Entire Agreement; Assignment......................................................  41
Section 10.06     Governing Law; Jurisdiction and Service of Process................................  41
Section 10.07     Publicity.........................................................................  43
Section 10.08     Parties in Interest...............................................................  43
</TABLE>


                                      3

<PAGE>

EXHIBITS

Exhibit 2.01          Certificate of Merger
Exhibit 2.04(c)(ii)   Form of Promissory Note
Exhibit 2.04(c)(iii)  Form of Warrant
Exhibit 3.01(a)       Parker Bank Wiring Instructions and Account Information
Exhibit 4.02          Parker Securities Issued and Outstanding; Parker
                      Ownership of Other Businesses
Exhibit 4.04          Parker Required Consents and Approvals; List of
                      Violations
Exhibit 4.05          Supplemental Disclosures to Parker Financial Statements
Exhibit 4.06          Parker Absence of Certain Changes
Exhibit 4.09          Parker Defaults
Exhibit 4.10          Parker Litigation
Exhibit 4.12          Parker Tax Statutes of Limitations
Exhibit 4.13          Parker Employee Benefit Plan Obligations
Exhibit 4.14          Parker's Intellectual Property
Exhibit 4.15          Parker Change in Control Agreements
Exhibit 4.17          Operations of Parker
Exhibit 4.18          Parker Insurance Coverage
Exhibit 4.19          Parker Assets
Exhibit 4.20          Parker Improper and Other Payments
Exhibit 4.21(c)       Interests in Parker's Property
Exhibit 5.02          ZMAX's Subsidiaries
Exhibit 5.04          ZMAX Required Consents and Approvals; List of Violations
Exhibit 5.05          ZMAX Reports
Exhibit 5.08          ZMAX Defaults
Exhibit 5.09          ZMAX Litigation
Exhibit 6.10          Parker Employment, Severance and Consulting Agreements
Exhibit 6.11(b)       ZMAX Stock Options
Exhibit 6.12          Registration Rights Agreement
Exhibit 6.14(a)       Non-Competition Agreement for the Sole Shareholder
Exhibit 6.14(b)       Non-Competition Agreement for Kenneth W. Parker
Exhibit 6.14(c)       Non-Competition Agreement for Jennifer L. Parker
Exhibit 6.15(a)       List of Parker Key Employees
Exhibit 6.15(b)       Employment Agreement of Kenneth W. Parker
Exhibit 6.15(c)       Consulting Agreement for Jennifer L. Parker
Exhibit 6.15(d)       Form of Parker Key Employee Employment Agreement
Exhibit 6.16          Detailed Schedule of Parker Backlog of Business
Exhibit 7.02(e)       Opinion of Allen & Blackford
Exhibit 7.03(e)       Opinion of Freedman, Levy, Kroll & Simonds
Exhibit 10.01(b)      Escrow Agreement


                                      4

<PAGE>

                         AGREEMENT AND PLAN OF MERGER

      THIS AGREEMENT AND PLAN OF MERGER is dated as of October 1, 1999, by and
among ZMAX Corporation,  a Delaware corporation  ("ZMAX");  Parker Acquisition
Corporation,  a Delaware  corporation  and a  wholly-owned  subsidiary of ZMAX
("Acquisition");  Parker Management Consultants,  Ltd., a Delaware corporation
("Parker");   Westmont   Non-Grantor   Trust,  a  Delaware  trust  (the  "Sole
Shareholder");  and Kenneth W. Parker and Jennifer L. Parker, as beneficiaries
of the Westmont Non-Grantor Trust (the "Trust Beneficiaries").


                                   ARTICLE I

                                  DEFINITIONS

      1.01 DEFINITIONS.  The following terms shall have the following meanings
for purposes of this Agreement:

      "Affiliate"  has the meaning set forth in Rule 12b-2 of the  regulations
promulgated under the Securities Exchange Act.

      "Agreement"  means  this  Agreement,   all  Exhibits  hereto,   and  all
amendments made hereto and thereto by written agreement among the parties.

      "Business"  means,  with  respect to ZMAX or Parker,  the  provision  of
information  technology  consulting  services,  and the  design,  development,
installation,   implementation,  sale,  support,  maintenance,  marketing  and
management  of  software  products  relating  to  information  technology  and
computer systems.

      "Business  Day" means any day of the year other than (i) any Saturday or
Sunday or (ii) any other day on which  commercial banks located in Washington,
D.C., are generally closed for business.

      "Certificates" has the meaning set forth in Section 3.01(b) hereof.

      "Certificate  of  Merger"  has the  meaning  set forth in  Section  2.01
hereof.

      "Closing"  means  the  consummation  of  the  transactions  contemplated
herein, as provided in Section 2.05 hereof.

      "Closing Date" has the meaning set forth in Section 2.05 hereof.

      "Code"  means  the  United  States  Internal  Revenue  Code of 1986,  as
amended.


                                      5

<PAGE>

      "Damages"  means  any and all  incurred  or  asserted  claims,  actions,
demands,  losses,  costs,  reasonable  expenses,  liabilities,  penalties  and
damages  (including  reasonable  attorneys'  fees and  expenses  and  costs of
investigation  and  litigation).  In  the  event  any  of  the  foregoing  are
indemnifiable  hereunder,  the  term  "Damages"  shall  include  any  and  all
reasonable  attorneys'  fees  and  expenses  and  costs of  investigation  and
litigation  incurred by the  Indemnified  Person in enforcing such  indemnity.
Without limitation,  "Damages" shall include reasonable fees and disbursements
of  counsel  incurred  by any  Indemnified  Party in an action  or  proceeding
between  the  Indemnifying  Party and the  Indemnified  Party or  between  the
Indemnified Party and any third party or otherwise.

      "Delaware General  Corporation Law" means the General Corporation Law of
the State of Delaware.

      "ERISA" means the Employee  Retirement  Income  Security Act of 1974, as
amended.

      "Effective Date" has the meaning set forth in Section 2.01 hereof.

      "Effective Time" has the meaning set forth in Section 2.01 hereof.

      "Employment  Agreements"  have the  meanings  set forth in Section  6.15
hereof and  substantially in the form set forth in EXHIBITS  6.15(B),  (C) AND
(D).

      "Escrow Agent" has the meaning set forth in Section 10.01(b) hereof.

      "Escrow Agreement" has the meaning set forth in Section 10.01(b) hereof,
and substantially in the form attached hereto as EXHIBIT 10.01(B).

      "Escrow Fund" has the meaning set forth in Section 10.01(b) hereof.

      "Escrow Period" has the meaning set forth in Section 10.01(b) hereof.

      "Financial  Statements" means: (a) the unaudited financial statements of
Parker as of December 31, 1998 and 1997, respectively (including all schedules
and notes  thereto),  consisting  of the balance  sheets at such dates and the
related  statements  of  income  and  expenses  for  the  twelve-month  period
beginning January 1, 1998 and 1997, respectively, and ending December 31, 1998
and 1997,  respectively;  (b) the Interim  Financial  Statements;  (c) the tax
returns of the Sole Shareholder for the years 1998, 1997 and 1996; and (d) the
tax returns of the Trust Beneficiaries for the years 1998, 1997 and 1996.

      "GAAP" means U.S.  generally  accepted  accounting  principles in effect
from time to time.

      "Governmental  Authority"  means the  government of the United States or
any  foreign  country or any state or  political  subdivision  thereof and any
entity, agency, body or authority exercising executive, legislative, judicial,


                                      6

<PAGE>

regulatory or administrative functions of or pertaining to government.

      "Indemnified  Person"  means  the  Person  or  Persons  entitled  to, or
claiming a right to, indemnification.

      "Indemnifying  Person"  means  the  Person  or  Persons  claimed  by the
Indemnified Person to be obligated to provide indemnification.

      "Intellectual  Property"  means  any and all  trademarks,  trade  names,
service marks, patents, copyrights (including any registrations, applications,
licenses  or  rights  relating  to any of the  foregoing),  technology,  trade
secrets, inventions,  know-how, designs, computer programs, processes, and all
other   intangible   assets,   properties  and  rights.   The  term  "Parker's
Intellectual Property" means any and all Intellectual Property owned by Parker
in the  conduct of its  business,  as defined in Section  4.14  hereof and set
forth in EXHIBIT 4.14 attached hereto.

      "Interim  Financial  Statements"  means any of the  unaudited  financial
statements of Parker for each calendar  month during 1999  (including  any and
all  schedules  and notes  thereto),  consisting of the balance sheet for each
such month and related  statements of income and expenses for each such month,
which statements have been delivered to ZMAX pursuant to Section 4.05 hereof.

      "Law"  means  any law,  statute,  regulation,  ordinance,  rule,  order,
decree,  judgment,   consent  decree,  settlement  agreement  or  governmental
requirement  enacted,  promulgated,  entered  into,  agreed or  imposed by any
Governmental Authority.

      "Lien" means any  mortgage,  lien (except for any lien for Taxes not yet
due and payable),  charge,  restriction,  pledge,  security interest,  option,
lease or sublease, claim, right of any third party, easement,  encroachment or
encumbrance.

      "Merger" has the meaning set forth in Section 2.01 hereof.

      "Non-Competition Agreements" have the meanings set forth in Section 6.14
hereof and  substantially in the form set forth in EXHIBITS  6.14(A),  (B) AND
(C).

      "Parker  Benefit  Plans" has the  meaning  set forth in Section  4.13(a)
hereof.

      "Parker  Confidential  Information"  means all confidential  information
concerning  Parker  or its  Affiliates  that  (i) is not and  has  not  become
ascertainable or obtainable from public or published information,  (ii) is not
received from a third party or is received from a third party  pursuant to the
authorization of Parker,  the Sole  Shareholder or the Trust  Beneficiaries in
connection with ZMAX's due diligence review of Parker, (iii) was not in ZMAX's
possession  prior  to  disclosure  thereof  to ZMAX  in  connection  with  the
transactions  contemplated herein, and (iv) was not independently developed by
ZMAX.


                                      7

<PAGE>

      "Parker  Material  Adverse  Change"  means  a  change  (or  circumstance
involving a prospective change) that has or can reasonably be expected to have
a material, adverse impact on the business,  operations,  assets, liabilities,
results of  operations,  cash flows or condition  (financial  or otherwise) of
Parker, taken as a whole.

      "Parker  Material  Adverse  Effect"  means an  effect  (or  circumstance
involving  a  prospective  effect)  on  the  business,   operations,   assets,
liabilities,  results of  operations,  cash flows or condition  (financial  or
otherwise)  of Parker that is or can  reasonably  be expected to be materially
adverse.

      "Parker Permits" has the meaning set forth in Section 4.11 hereof.

      "Parker  Shares" means the One Thousand Nine Hundred  (1,900)  shares of
common  stock,  par value $0.01 per share,  of Parker as held of record by the
Sole Shareholder.

      "Person"  means  any  individual,  corporation,   proprietorship,  firm,
partnership, limited partnership, limited liability company, limited liability
partnership,  trust,  association  or other entity,  including a government or
government department, agency or instrumentality.

      "Promissory Note" means the form of promissory note substantially in the
form of EXHIBIT  2.04(C)(II) in the principal  amount of Three Million Dollars
($3,000,000.00),  bearing  interest  at six  percent  (6%) per annum and being
subject to possible reduction as provided therein.

      "Registration  Rights  Agreement"  has the  meaning set forth in Section
6.12 hereof and substantially in the form in EXHIBIT 6.12.

      "SEC" means the Securities and Exchange Commission.

      "Securities Act" means the Securities Act of 1933, as amended.

      "Securities  Exchange Act" means the Securities Exchange Act of 1934, as
amended.

      "Subsidiaries"  means any Person  50.1% or more of the  voting  power of
which is controlled by another Person.

      "Surviving  Corporation"  has the  meaning  set  forth in  Section  2.01
hereof.

      "Taxes"  means  all  taxes,  charges,  fees,  duties,  levies  or  other
assessments,  including  income,  gross  receipts,  net proceeds,  ad valorem,
turnover,  real and personal property  (tangible and intangible),  sales, use,
franchise,  excise, value added, stamp, leasing, lease, user, transfer,  fuel,
excess profits,  occupational,  interest equalization,  severance,  employee's
income and employment tax withholding, other withholding,  unemployment taxes,


                                      8

<PAGE>

interest,  penalties and/or additions to tax attributable  thereto,  which are
imposed by any Governmental Authority.

      "Tax Return" means any report,  return or other information  required to
be supplied to a Governmental Authority in connection with any Taxes.

      "Warrant" means the form of warrant substantially in the form of EXHIBIT
2.04(C)(III) to purchase Two Hundred Thousand  (200,000) shares of ZMAX Common
Stock for a purchase price of Five Dollars ($5.00) per share.

      "Working  Capital  Amount"  shall have the  meaning set forth in Section
3.01(d) hereof.

      "ZMAX Common Stock" has the meaning set forth in Section 5.02(a) hereof.

      "ZMAX  Confidential  Information"  means  all  confidential  information
concerning  ZMAX  or its  Affiliates  that  (i)  is not  and  has  not  become
ascertainable or obtainable from public or published information,  (ii) is not
received from a third party or is received from a third party  pursuant to the
authorization  of ZMAX,  (iii) was not in the  possession of Parker,  the Sole
Shareholder or the Trust  Beneficiaries prior to disclosure thereof to Parker,
the  Sole  Shareholder  or the  Trust  Beneficiaries  in  connection  with the
transactions  contemplated herein, and (iv) was not independently developed by
Parker, the Sole Shareholder or the Trust Beneficiaries.

      "ZMAX  Indemnified  Parties"  means  ZMAX  and  each  of its  Affiliates
(including,   after  the  Closing,  Parker)  and  their  respective  officers,
directors,  employees,  agents and representatives,  provided that in no event
shall  the  Sole  Shareholder  or the  Trust  Beneficiaries  be  deemed a ZMAX
Indemnified Party.

      "ZMAX Material Adverse Change" means a change (or circumstance involving
a  prospective  change)  that  has or can  reasonably  be  expected  to have a
material,  adverse impact on the business,  operations,  assets,  liabilities,
results of  operations,  cash flows or condition  (financial  or otherwise) of
ZMAX and any of its subsidiaries, taken as a whole.

      "ZMAX  Material   Adverse  Effect"  means  an  effect  (or  circumstance
involving  a  prospective  effect)  on  the  business,   operations,   assets,
liabilities,  results of  operations,  cash flows or condition  (financial  or
otherwise) of ZMAX and any of its  subsidiaries,  taken as a whole, that is or
can reasonably be expected to be materially adverse.

      "ZMAX Permits" has the meaning set forth in Section 5.10 hereof.

      "ZMAX SEC Reports" has the meaning set forth in Section 5.05 hereof.

      "ZMAX Stock Option" has the meaning set forth in Section 6.11 hereof.


                                      9

<PAGE>

                                  ARTICLE II

                     THE MERGER AND PLAN OF REORGANIZATION

      Section  2.01 THE MERGER.  Upon the terms and subject to the  conditions
hereof, as promptly as practicable following the satisfaction or waiver of the
conditions  set forth in Articles VI and VII hereof,  unless the parties shall
otherwise  agree,  a  certificate  of  merger in the form  attached  hereto as
EXHIBIT  2.01  (the  "Certificate  of  Merger")  providing  for the  merger of
Acquisition  with and  into  Parker  (the  "Merger")  shall be duly  prepared,
executed and filed by Parker,  as the surviving  corporation  (sometimes  also
referred to as the "Surviving  Corporation"),  in accordance with the relevant
provisions of the Delaware  General  Corporation  Law, and the parties  hereto
shall take any other  actions  required  by law to make the Merger  effective.
Following  the  Merger,  Parker,  with  all  its  purposes,  objects,  rights,
privileges, powers and franchises, shall continue, and Acquisition shall cease
to exist. The Merger shall be effective at the time (the "Effective Time") and
on the date (the  "Effective  Date") that a properly  executed  Certificate of
Merger is duly filed with the  Secretary  of State of Delaware  in  accordance
with the Delaware General Corporation Law; PROVIDED,  HOWEVER,  that by mutual
consent of the  parties,  such  Certificate  of Merger may provide for a later
date of  effectiveness of the Merger not more than thirty (30) days after such
filing.  After the  Effective  Time and  Effective  Date, a closing shall take
place at the offices of Freedman, Levy, Kroll & Simonds, in Washington, D. C.,
as set forth in Section 2.05 hereof.

      Section  2.02  EFFECTS OF THE MERGER.  The Merger shall have the effects
set forth in the Delaware  General  Corporation Law. As of the Effective Time,
the Surviving  Corporation shall be a wholly-owned  subsidiary of ZMAX. At the
Effective  Date, the Articles of  Incorporation  of Parker shall be amended to
change the total number of shares of stock which Parker is authorized to issue
to be solely as follows:  One Thousand  (1,000)  shares of Common  Stock,  par
value $0.01 per share. As so amended,  the Articles of Incorporation of Parker
shall be the Articles of Incorporation of the Surviving  Corporation after the
Effective Date unless and until amended in accordance  with their terms and as
provided by law. The bylaws of  Acquisition as in effect on the Effective Date
shall be deemed to be the bylaws of the Surviving Corporation unless and until
amended in accordance with their terms and as provided by law.

      Section 2.03  DIRECTORS  AND OFFICERS.  Immediately  after the Effective
Time,  the Board of Directors of the  Surviving  Corporation  shall consist of
five (5) persons, with three (3) of such persons being designated by ZMAX, and
with the two (2) remaining  persons being the Trust  Beneficiaries,  with each
such director of the  Surviving  Corporation  to serve until their  respective
successors  shall  have been duly  elected  or  appointed  and shall have been
qualified or until their earlier  death,  resignation or removal in accordance
with the articles of incorporation and bylaws of the Surviving Corporation.


                                      10

<PAGE>

      Section 2.04  CONVERSION OF PARKER  SHARES.  At the  Effective  Time, by
virtue of the Merger and without any action on the part of ZMAX,  Acquisition,
Parker or the holder of any of the following securities:

            (a) Any  shares of capital  stock of Parker  which are held in the
treasury of Parker shall be cancelled.

            (b) All  issued and  outstanding  shares of the  capital  stock of
Acquisition shall be converted into and become One Thousand (1,000) issued and
outstanding shares of common stock of the Surviving Corporation.

            (c) Subject to Sections  2.01,  2.05,  3.01,  3.02 and 10.01(b) of
this Agreement, the Parker Shares shall be converted into the right to receive
(i) One Million  Five Hundred  Thousand  Dollars  ($1,500,000.00)  (subject to
adjustment as to  $150,000.00 of such funds to be held in Escrow Fund pursuant
to Section  10.01(b) of this  Agreement) in cash,  (ii) Three Million  Dollars
($3,000,000.00)  in  principal  amount  of the  Promissory  Note  in the  form
attached  hereto as  EXHIBIT  2.04(C)(II),  and (iii) the  Warrant in the form
attached  hereto as EXHIBIT  2.04(C)(III)  to purchase  Two  Hundred  Thousand
(200,000)  shares of ZMAX Common Stock for the purchase  price of Five Dollars
($5.00) per share.

      Section 2.05  CLOSING.  The closing of the merger (the  "Closing")  will
take place at the offices of Freedman, Levy, Kroll & Simonds,  Washington,  D.
C., at 10:00 A.M. (EDT) no later than four (4) Business Days after the receipt
by ZMAX of  confirmation  from  the  Delaware  Secretary  of  State  that  the
Certificate of Merger has been approved as filed, or at such other place, time
and date as the parties may agree upon in writing (the "Closing Date").


                                  ARTICLE III

                             CONVERSION OF SHARES

      Section 3.01 CONVERSION OF PARKER SHARES.

            (a) At the  Closing,  ZMAX shall (i)  deposit  One  Hundred  Fifty
Thousand Dollars  ($150,000.00) with Escrow Agent pursuant to Section 10.01(b)
hereof,  (ii)  deliver  One  Million  Three  Hundred  Fifty  Thousand  Dollars
($1,350,000.00)  in cash by wire  transfer  to the  bank  account  of the Sole
Shareholder  pursuant to the bank account and wiring instructions  provided in
EXHIBIT 3.01(A), (iii) issue the Promissory Note to the Sole Shareholder,  and
(iv) issue the Warrant to the Sole Shareholder.

            (b)  At  the  Closing,   the  holder(s)  of  certificate(s)  which
immediately  prior to the Effective Time  represented all of the Parker Shares
(the  "Certificates")  shall  deliver the  Certificates,  and risk of loss and
title to the  Certificates  shall pass upon delivery of the  Certificates,  to
ZMAX and the Certificates shall be in such form and have such other provisions


                                      11

<PAGE>

as ZMAX and Parker may reasonably  specify.  Such holder(s)  shall deliver and
execute  all  necessary  and  appropriate  stock  transfer  powers  and  other
documentation  to transfer risk of loss and title to the  Certificates and the
Parker Shares to ZMAX.  Contemporaneous with the surrender of the Certificates
to ZMAX, together with such stock powers or other documentation duly executed,
the holder(s) of such Certificates shall receive in exchange therefor the cash
amount,  Promissory  Note and  Warrant  provided  in Section  3.01(a)  hereof,
subject  to  the  escrow  provisions  of  Section  10.01(b)  hereof,  and  the
Certificates so surrendered shall forthwith be cancelled.

            (c)  Following  the  Effective  Time,  there  shall be no  further
registration  of  transfers  on the  stock  transfer  books  of the  Surviving
Corporation of Parker Shares which were outstanding  immediately  prior to the
Effective  Time. If, after the Effective Time,  Certificates  are presented to
the  Surviving  Corporation  for any  reason,  they  shall  be  cancelled  and
exchanged as provided in this Article III.

            (d)  Within   thirty  (30)  days  after  the  Closing,   the  Sole
Shareholder  shall  deliver to ZMAX the closing  balance sheet of Parker as of
September  30,  1999.  Within  ninety  (90) days after the  Closing,  ZMAX and
Kenneth W. Parker,  as the designated  representative of the Sole Shareholder,
shall determine the amount of cash, accounts receivable,  note receivable from
Wittnaur  Corporation  and current  liabilities of Parker,  based on generally
accepted  accounting  principles,  as of the  Closing  (the " Working  Capital
Amount").  In the event the total Working  Capital Amount as of the Closing is
determined to be less than Eight Hundred Thousand Dollars ($800,000.00),  then
ZMAX shall deduct such  shortfall  from the Escrow Fund of  $150,000.00,  with
either the  remaining  balance,  if any,  of the Escrow Fund being paid by the
Escrow Agent to the Sole Shareholder or with any remaining shortfall amount in
excess of $150,000.00  being reimbursed by the Sole Shareholder to ZMAX within
thirty (30) days after the determination of the Working Capital Amount. If the
total  Working  Capital  Amount as of the Closing is  determined to be greater
than Eight Hundred  Thousand Dollars  ($800,000.00),  then ZMAX shall pay such
excess  amount in cash to the Sole  Shareholder  within thirty (30) days after
the  determination  of the Working  Capital  Amount and ZMAX shall deduct such
cash  payment to the Sole  Shareholder  from the  Promissory  Note as provided
under the terms thereof.

      Section 3.02 ADJUSTMENTS; DELIVERY OF CERTIFICATES. If, between the date
of this  Agreement and the Effective  Time,  the Parker Shares shall have been
exchanged into a different  number of shares or a different class by reason of
any reclassification,  recapitalization,  split-up,  combination,  exchange of
shares or  readjustment,  or a stock dividend thereon shall be declared with a
record date within such period,  the amount into which the Parker  Shares will
be converted in the Merger shall be correspondingly adjusted.


                                  ARTICLE IV

                   REPRESENTATIONS AND WARRANTIES OF PARKER,
               THE SOLE SHAREHOLDER AND THE TRUST BENEFICIARIES


                                      12

<PAGE>

      Except as  provided  in  Section  4.21 and  except  with  respect to any
representations or warranties regarding the "knowledge" or "best knowledge" of
any  Person  for  which  such  representations  and  warranties  shall be made
severally  and not  jointly,  Parker,  the  Sole  Shareholder  and  the  Trust
Beneficiaries  jointly  and  severally  represent  and  warrant  to  ZMAX  and
Acquisition as of the date of this Agreement and on the Effective Date (except
as  otherwise  provided  herein)  as  follows;  PROVIDED,  HOWEVER,  that  any
disclosure  or reference set forth in any Exhibit  attached to this  Agreement
shall apply to and/or  qualify any of the  representations  or warranties  set
forth in this Article IV:

      Section  4.01  ORGANIZATION.  Parker is a  corporation  duly  organized,
validly  existing and in good standing under the laws of the State of Delaware
and has all  requisite  power and  authority  to own,  lease and  operate  its
properties and to carry on its business as now being conducted. Parker is duly
qualified or licensed and in good standing to do business in each jurisdiction
in which the  property  owned,  leased or  operated by it or the nature of the
business  conducted by it makes such  qualification  or  licensing  necessary,
except in such  jurisdictions  where the  failure to be so duly  qualified  or
licensed and in good standing  would not in the aggregate  result in an Parker
Material Adverse Effect.  Parker has heretofore delivered to ZMAX accurate and
complete copies of its articles of incorporation  and bylaws,  as currently in
effect.

      Section 4.02 CAPITALIZATION.  (a) The authorized capital stock of Parker
consists of Fifteen  Thousand  (15,000) Parker Shares of which, as of the date
of this Agreement, One Thousand Nine Hundred (1,900) Parker Shares were issued
and outstanding, with all of such Parker Shares being owned solely by the Sole
Shareholder.  All the issued and outstanding Parker Shares are validly issued,
fully paid and non-assessable and free of preemptive rights. Parker has issued
no other shares of its capital stock nor securities  substantially  equivalent
to capital stock.

      Except as set forth  above,  in  EXHIBIT  4.02  attached  hereto,  or as
contemplated  hereby,  there are not now, and at the Effective Time there will
not be, any shares of capital stock (or securities substantially equivalent to
capital stock) of Parker issued or outstanding or any subscriptions,  options,
warrants,  calls,  rights,  convertible  securities  or  other  agreements  or
commitments of any character obligating Parker to issue,  transfer or sell any
of its securities.

            (b) Except as  disclosed  in EXHIBIT  4.02,  Parker  does not own,
directly or  indirectly,  any capital stock or other equity  securities of any
corporation  or have any  direct  or  indirect  equity,  voting  or  ownership
interest in any  business  other than its own.  There are not now,  and at the
Effective  Time there will not be, any voting  trusts or other  agreements  or
understandings  to which  Parker is a party or is bound  with  respect  to the
voting of the capital stock of Parker.

      Section  4.03  AUTHORITY  RELATIVE  TO THIS  AGREEMENT.  Parker has full
corporate  power and  authority to execute and deliver this  Agreement  and to
consummate the transactions contemplated hereby. The execution and delivery of
this Agreement and the  consummation of the transactions  contemplated  hereby
have been duly and validly  authorized  by the Board of Directors and the Sole


                                      13

<PAGE>

Shareholder of Parker and no other corporate proceedings on the part of Parker
are necessary to authorize this Agreement or to consummate the transactions so
contemplated.  This Agreement has been duly and validly executed and delivered
by  Parker  and the Sole  Shareholder  and  constitutes  a valid  and  binding
agreement  of them,  enforceable  against them in  accordance  with its terms,
except  as to the  effect,  if any,  of (a)  applicable  bankruptcy  and other
similar laws affecting the rights of creditors generally, and (b) rules of law
or  equity  governing  specific  performance,   injunctive  relief  and  other
equitable remedies.

      Section 4.04 CONSENTS AND APPROVALS; NO VIOLATIONS.  Except as otherwise
provided in EXHIBIT 4.04 attached  hereto and in the filing and recordation of
the  Certificate of Merger,  as required by the Delaware  General  Corporation
Law, no filing with, and no permit, authorization, consent or approval of, any
Governmental  Authority is  necessary  for the  consummation  by Parker of the
transactions  contemplated by this  Agreement.  Except as set forth in EXHIBIT
4.04,  neither the execution and delivery of this  Agreement by Parker nor the
consummation by Parker of the transactions  contemplated hereby nor compliance
by Parker with any of the  provisions  hereof will (i) conflict with or result
in any breach of any provision of the articles of  incorporation  or bylaws of
Parker,  (ii)  result in a  violation  or breach  of, or  constitute  (with or
without  due  notice or lapse of time or both) a default  (or give rise to any
right of termination,  cancellation or acceleration)  under, any of the terms,
conditions or  provisions of any note,  bond,  mortgage,  indenture,  license,
contract,  agreement or other  instrument  or  obligation to which Parker is a
party or by which it or any of its properties or assets may be bound, or (iii)
violate  any  order,  writ,  injunction,  decree,  statute,  treaty,  rule  or
regulation  applicable to Parker or any of its properties or assets, except in
the case of (ii) or (iii) for violations, breaches or defaults which would not
cause an Parker Material Adverse Event and which will not prevent or delay the
consummation of the transactions contemplated hereby.

      Section 4.05 FINANCIAL  STATEMENTS.  Parker has delivered to ZMAX copies
of the Financial  Statements.  The  Financial  Statements  present  fairly the
financial position, assets, liabilities,  results of the operation and changes
in cash flow for Parker  for the  periods  presented  therein.  The  Financial
Statements  have been prepared in conformity with GAAP,  consistently  applied
during the periods.  The Financial  Statements,  including the notes  thereto,
make  full and  adequate  disclosure  of,  and  provision  for,  all  material
obligations and  liabilities of Parker to the extent required by GAAP.  Except
as set  forth in the most  recent  balance  sheet  included  in the  Financial
Statements,  there are no liabilities,  debts, claims or obligations,  whether
accrued,  absolute,  contingent  or  otherwise,  whether due or to become due,
which would cause an Parker Material Adverse Change, to the extent required by
GAAP to be  included  in such  balance  sheet.  Except as set forth in EXHIBIT
4.05, none of the Financial Statements or schedules included therein,  contain
any untrue  statement of a material  fact or omitted to state a material  fact
required to be stated  therein or  necessary  in order to make the  statements
therein not misleading.

      Section 4.06 ABSENCE OF CERTAIN CHANGES.  Except as set forth in EXHIBIT
4.06 attached hereto, since December 31, 1998, Parker has not taken any of the
prohibited  actions set forth in Section  6.01,  suffered any Parker  Material
Adverse Changes or entered into any transaction,  or conducted its business or


                                      14

<PAGE>

operations,  other  than in the  ordinary  and usual  course of  business  and
consistent with past practice.

      Section 4.07 NO UNDISCLOSED LIABILITIES. Except as and to the extent set
forth in the Financial  Statements,  Parker,  at August 31, 1999, did not have
any material liabilities not reflected on the balance sheet of Parker included
in the Interim Financial Statements.  Except as and to the extent set forth in
such Financial  Statements,  since August 31, 1999,  through and including the
Effective  Date,  Parker has not  incurred  any  liabilities  material  to the
business, operations or financial condition of Parker taken as a whole, except
liabilities  incurred  in the  ordinary  and  usual  course  of  business  and
consistent with past practice and any liabilities  incurred in connection with
this Agreement.

      Section 4.08  ACCURACY OF  STATEMENTS.  Neither this  Agreement  nor any
written statement,  list,  certificate or other information furnished by or on
behalf of  Parker to ZMAX in  connection  with  this  Agreement  or any of the
transactions  contemplated  hereby,  taken as a  whole,  contains  any  untrue
statement of a material  fact, or omits to state a material fact  necessary to
make the statements contained herein or therein, in light of the circumstances
in which they are made, not misleading.

      Section 4.09 NO DEFAULT.  Except as set forth in EXHIBIT  4.09  attached
hereto, Parker is not in default or violation (and no event has occurred which
with  notice  or the  lapse of time or both  would  constitute  a  default  or
violation)  of any  term,  condition  or  provision  of (i)  its  articles  of
incorporation  or its  bylaws,  (ii)  any  note,  bond,  mortgage,  indenture,
license, contract, agreement or other instrument or obligation to which Parker
is a party or by which it or any of its  properties  or assets may be bound or
(iii)  any  order,  writ,  injunction,  decree,  statute,  rule or  regulation
applicable to Parker,  which defaults or violations  would,  in the aggregate,
result in an Parker Material Adverse Effect or which would materially  prevent
or delay the consummation of the transactions contemplated hereby.

      Section 4.10  LITIGATION.  Except as disclosed in EXHIBIT 4.10  attached
hereto, there is no action, suit,  proceeding,  review or, to the knowledge of
Parker,  investigation  pending  or, to the  knowledge  of Parker,  threatened
involving Parker,  at law or in equity,  or before any Governmental  Authority
which in the aggregate are reasonably  likely to result in an Parker  Material
Adverse Effect on the assets or business of Parker or the Parker Shares.

      Section 4.11  COMPLIANCE  WITH APPLICABLE LAW. Parker holds all permits,
licenses,  variances,  exemptions,  orders and  approvals of all  Governmental
Authorities  necessary  for the lawful  conduct of its  business  (the "Parker
Permits"), except for failures to hold such Parker Permits which would not, in
the  aggregate,  result  in a Parker  Material  Adverse  Effect.  Parker is in
compliance  with the terms of Parker  Permits,  except where the failure so to
comply would not result in a Parker Material  Adverse Effect.  The business of
Parker is not being conducted in violation of any applicable  law,  ordinance,
rule, regulation,  decree or order of any Governmental  Authority,  except for
violations  which in the  aggregate  do not and would  not  result in a Parker
Material Adverse Effect.


                                      15

<PAGE>

      Section 4.12 TAXES.  Parker has duly filed all material federal,  state,
local and foreign tax returns  required to be filed by it, and Parker has duly
paid,  caused to be paid or made  adequate  provision  for the  payment of all
Taxes  required to be paid in respect of the periods  covered by such  returns
and has made  adequate  provision for payment of all Taxes  anticipated  to be
payable in respect of all taxable  periods  since the periods  covered by such
returns and ending with the  Effective  Date.  To the best of the knowledge of
Parker, the Sole Shareholder and the Trust  Beneficiaries,  none of the income
tax returns required to be filed by Parker with  Governmental  Authorities has
ever been examined by the government  agencies  responsible  for auditing such
returns,  and no  period  during  which  any  assessments  may be made by such
agencies  with respect to such  returns or any Taxes due to such  Governmental
Authorities has expired.  No issue or claim has been asserted for Taxes by any
taxing  authority for any prior  period,  the adverse  determination  of which
would result in a deficiency  which would result in an Parker Material Adverse
Effect.  Except as set forth in EXHIBIT  4.12  attached  hereto,  there are no
outstanding agreements or waivers extending the statutory period of limitation
applicable to any income tax return of Parker.

      Section 4.13 ERISA.

            (a) With respect to each employee benefit plan (including, without
limitation, any "employee benefit plan", as defined in Section 3(3) of ERISA),
and any  material  bonus,  pension,  profit  sharing,  deferred  compensation,
incentive compensation, stock ownership, stock purchase, stock option, phantom
stock,   retirement,   vacation,   severance,   disability,   death   benefit,
hospitalization,   insurance  or  other  plan,  arrangement  or  understanding
(whether or not legally  binding) (all the  foregoing  being herein called the
"Parker Benefit  Plans"),  maintained or contributed to by Parker,  Parker has
made available to ZMAX a true and correct copy of, where  applicable,  (i) the
most recent  annual  report  (Form 5500) filed with the IRS,  (ii) such Parker
Benefit Plan, (iii) each trust agreement and group annuity  contract,  if any,
relating to such Parker Benefit Plan and (iv) the most recent actuarial report
or valuation  relating to a Parker  Benefit Plan subject to Title IV of ERISA.
None of the Parker Benefit Plans are  multi-employer  plans within the meaning
of Section 3(37) of ERISA.  Each of the Parker  Benefit Plans covered by ERISA
(a) has been operated in all material  respects in accordance with ERISA,  (b)
has not  engaged in any  prohibited  transactions  (as such term is defined in
Section 406 of ERISA) and (c) has met the minimum funding standards of Section
412 of the Code. No material  reportable  event (within the meaning of Section
4043 of ERISA) has occurred and is  continuing  with respect to any such Plan.
Parker  has  never   terminated   any  pension  plan  or  withdrawn  from  any
multi-employer pension plan.

            (b) With respect to Parker  Benefit Plans,  in the  aggregate,  no
event has occurred,  and to the knowledge of Parker,  the Sole Shareholder and
the Trust  Beneficiaries,  there exists no  condition or set of  circumstances
which are reasonably  likely to occur in connection with which Parker would be
subject to any  liability,  that  would  result in a Parker  Material  Adverse
Effect (except liability for benefits claims and funding  obligations  payable
in the ordinary course), under ERISA, the Code or any other applicable law.


                                      16

<PAGE>

            (c)  Except as set forth in EXHIBIT  4.13  attached  hereto,  with
respect to Parker Benefit Plans, in the aggregate, there are no funded benefit
obligations for which contributions have not been made or properly accrued and
there are no unfunded benefit obligations which have not been accounted for by
reserves,  or  otherwise  properly  footnoted in  accordance  with GAAP on the
Financial  Statements,  which obligations are reasonably likely to result in a
Parker Material Adverse Effect.

      Section 4.14 INTELLECTUAL PROPERTY.

            (a)  EXHIBIT  4.14  is an  accurate  and  complete  list of all of
Parker's  Intellectual  Property,  and reflects Parker's Intellectual Property
that has been duly and  properly  registered  in any  jurisdiction.  Except as
otherwise  specified in EXHIBIT 4.14, Parker owns, has the right to use, sell,
license, dispose of, and to bring actions for the misappropriation of Parker's
Intellectual  Property,  and  to  the  best  knowledge  of  Parker,  the  Sole
Shareholder  and  the  Trust  Beneficiaries,  without  any  conflict  with  or
infringement of the rights of others, free and clear of all liens,  charges or
encumbrances or other restrictions of any kind.

            (b) Parker has taken  reasonable  steps to safeguard  and maintain
the secrecy and confidentiality of, and protect its proprietary rights in, its
Intellectual Property.

            (c) Except as set forth in EXHIBIT 4.14 attached hereto and to the
knowledge of Parker,  the Sole  Shareholder  and the Trust  Beneficiaries,  no
claim is pending or, to the knowledge of Parker,  the Sole  Shareholder or the
Trust  Beneficiaries,  threatened  to the  effect  that  the  present  or past
operations of Parker  infringe upon or conflict with the rights of others with
respect to any Intellectual  Property and no claim is pending or threatened to
the effect that any of the Intellectual  Property is invalid or unenforceable.
To the knowledge of Parker, the Sole Shareholder and the Trust  Beneficiaries,
no  contract,  agreement  or  understanding  with any party exists which would
materially  impede or prevent the continued use by Parker of the entire right,
title and interest of Parker in and to the Intellectual Property.

      Section  4.15  CHANGE IN CONTROL.  Except as set forth in EXHIBIT  4.15,
Parker  is not a party  to any  contract,  agreement  or  understanding  which
contains a "change in  control"  provision  or  "potential  change in control"
provision.

      Section 4.16 BROKERS;  FINDERS. Neither Parker, the Sole Shareholder nor
the Trust  Beneficiaries have retained any broker or finder in connection with
the  transactions  contemplated  herein so as to give rise to any valid  claim
against  Parker  or ZMAX for any  brokerage  or  finder's  commission,  fee or
similar compensation.

      Section 4.17  OPERATIONS OF PARKER.  Except as set forth in EXHIBIT 4.17
attached hereto, Parker has not since December 31, 1998:


                                      17

<PAGE>

            (a) amended its articles of incorporation or bylaws or merged with
or into or  consolidated  with  any  other  person,  subdivided  or in any way
reclassified any shares of its capital stock or changed or agreed to change in
any manner the rights of its outstanding capital stock or the character of its
business;

            (b) issued or sold or  purchased,  or issued  options or rights to
subscribe to, or entered into any contracts or commitments to issue or sell or
purchase, any shares of its capital stock;

            (c) waived any right of material  value to its  business  which in
each  instance is worth in excess of  $10,000.00  or in the aggregate is worth
greater than $25,000.00;

            (d) made any change in its accounting methods or practices or made
any change in depreciation or amortization policies or rates adopted by it;

            (e)  made  any  payment  or  commitment  to pay any  severance  or
termination  pay to any of its officers,  directors,  employees,  consultants,
agents or other representatives;

            (f) entered into any lease (as lessor or lessee),  sold, abandoned
or made any  other  disposition  of any of its  tangible  assets,  granted  or
suffered  any lien or other  encumbrance  on any of its assets or  properties,
entered  into or amended  any  contract  or other  agreement  to which it is a
party,  or by or to which it or its assets or properties are bound or subject,
or  pursuant  to which it agrees to  indemnify  any party or to  refrain  from
competing with any party, in each instance, worth more than $10,000.00;

            (g) except for  property or  equipment  acquired  in the  ordinary
course of  business,  made any  acquisition  of all or any part of the assets,
properties,  capital stock or business of any other  Person,  which is in each
instance valued at more than  $10,000.00,  or in the aggregate  valued at more
than $25,000.00;

            (h) paid, directly or indirectly,  any of its material liabilities
before the same became due in accordance  with its terms or otherwise  than in
the ordinary course of business;

            (i) suffered or incurred any damage,  destruction or loss (whether
or not covered by insurance)  constituting a Parker Material Adverse Effect or
Parker Material Adverse Change;

            (j) entered into any other material contract or other agreement or
other material transaction; or

            (k)  been  advised  or  otherwise  become  aware  that  any of its
existing  contracts  for the  performance  of  services  or the license of any
portion of Parker's Intellectual Property is to be terminated or substantially
modified  other than in  accordance  with its terms or as reflected in EXHIBIT
4.17.


                                      18

<PAGE>

      Section 4.18 INSURANCE.  EXHIBIT 4.18 attached hereto is an accurate and
complete list of all policies of fire, liability, workers' compensation, title
and other forms of  insurance  owned,  held by or  applicable  to Parker,  and
Parker has  heretofore  delivered to ZMAX a true and complete copy of all such
policies, including all occurrence-based policies applicable to Parker for all
periods prior to the Effective  Date. To the knowledge of each of Parker,  the
Sole Shareholder and the Trust  Beneficiaries,  there are no pending claims of
Parker under any of such  policies;  such policies (and binders,  if any), are
valid and enforceable in accordance with their terms and are in full force and
effect; and all the insurable  properties and assets of Parker are insured for
Parker's  benefit,  in amounts and coverages  deemed  adequate by the Parker's
management,  against all risks usually  insured  against by persons  operating
similar  properties  and assets in the  localities  where such  properties  or
assets are located, under valid and enforceable policies issued by insurers of
recognized responsibility.

      Section 4.19 ASSETS.  Except as set forth in EXHIBIT 4.19, the assets of
Parker which are material to its business and operations are in good operating
and/or marketable condition and repair.

      Section  4.20  IMPROPER  AND OTHER  PAYMENTS.  To the best  knowledge of
Parker, the Sole Shareholder and the Trust Beneficiaries,  except as set forth
in EXHIBIT 4.20, none of Parker,  any of its directors,  officers,  employees,
agents or representatives, nor any Person acting on behalf of any of them, has
made, paid or received (a) any bribes,  kickbacks or other similar payments to
or from  any  Person,  whether  lawful  or  unlawful,  (b) any  contributions,
directly or indirectly,  to a domestic or foreign political party or candidate
or (c) any improper  foreign  payment (as defined in the U.S.  Foreign Corrupt
Practices Act).

      Section 4.21 ADDITIONAL REPRESENTATIONS.

            (a)  Each of the  Sole  Shareholder  and the  Trust  Beneficiaries
jointly  and  severally  represents  that  none of them has  entered  into any
agreement or understanding to purchase, sell, exchange,  pledge,  hypothecate,
lien,  transfer by gift or otherwise dispose of any Parker Shares prior to the
date  hereof,  nor will the Sole  Shareholder  and/or the Trust  Beneficiaries
enter into any such agreement or understanding prior to the Effective Date.

            (b) None of the Sole Shareholder,  the Trust  Beneficiaries or any
of their  respective  Affiliates  has or claims to have any direct or indirect
interest in any tangible or  intangible  property  used in Parker's  business,
except as a holder of the Parker Shares.  The Sole Shareholder is the sole and
exclusive  holder of all the  outstanding  shares of capital  stock of Parker.
Each of the Sole  Shareholder  and the Trust  Beneficiaries  represents  that,
except as  disclosed  on EXHIBIT  4.21(C)  attached  hereto,  none of the Sole
Shareholder  and/or  the  Trust  Beneficiaries  nor  any of  their  respective
Affiliates  has any direct or  indirect  interest  in any other  Person  which
conducts a business similar to, has any contract or arrangement  with, or does
business or is involved in any way with,  Parker.  EXHIBIT 4.21(C)  contains a
complete and accurate description of all such Persons, interests, arrangements
and other matters.


                                      19

<PAGE>

            (c) The Sole Shareholder  shall vote in favor of the Agreement and
the transactions contemplated herein at the shareholders' meeting described in
Section 6.06 hereof.


                                   ARTICLE V

            REPRESENTATIONS AND WARRANTIES OF ZMAX AND ACQUISITION

      ZMAX  and  Acquisition   represent  and  warrant  to  Parker,  the  Sole
Shareholder and the Trust  Beneficiaries  as of the date of this Agreement and
on the Effective Date (except as otherwise provided herein) as follows:

         Section  5.01  ORGANIZATION.  Each  of  ZMAX  and  its  subsidiaries,
including Acquisition,  is a corporation duly organized,  validly existing and
in good standing under the laws of the jurisdiction of its  incorporation  and
has all requisite power and authority to own, lease and operate its properties
and to carry on its  business  as now  being  conducted.  Each of ZMAX and its
subsidiaries is duly qualified or licensed and in good standing to do business
in each jurisdiction in which the property owned,  leased or operated by it or
the  nature  of the  business  conducted  by it makes  such  qualification  or
licensing  necessary,  except in such jurisdictions where the failure to be so
duly  qualified or licensed and in good  standing  would not in the  aggregate
result in a ZMAX Material  Adverse  Effect.  ZMAX has heretofore  delivered to
Parker  accurate and  complete  copies of the  articles of  incorporation  and
bylaws, as currently in effect, of ZMAX and Acquisition.

      Section 5.02  CAPITALIZATION.  (a) The authorized  capital stock of ZMAX
consists  of: (i)  50,000,000  authorized  shares of common  stock,  par value
$0.001  per share  ("ZMAX  Common  Stock"),  of which,  as of August 2,  1999,
12,949,913 shares were issued and outstanding;  and (ii) 10,000,000 authorized
shares of preferred  stock,  par value $0.001 per share,  none of which shares
are issued and  outstanding.  All the  issued and  outstanding  shares of ZMAX
Common Stock are validly  issued,  fully paid and  non-assessable  and free of
preemptive rights.

            (b) EXHIBIT 5.02 attached hereto sets forth the name, jurisdiction
of  incorporation  and  capitalization  of each subsidiary of ZMAX.  Except as
disclosed in EXHIBIT  5.02,  ZMAX does not own,  directly or  indirectly,  any
capital stock or other equity securities of any corporation or have any direct
or  indirect  equity  or  ownership  interest  in  any  business.  All  of the
outstanding  shares of capital stock of each of ZMAX's  subsidiaries have been
validly issued and are fully paid and non- assessable and, except as set forth
in  EXHIBIT  5.02,  are owned by ZMAX free and  clear of all  liens,  charges,
claims or encumbrances. Other than such capital stock, no Person has any right
(including preemptive rights) to acquire any shares of capital stock or equity
securities in any of ZMAX's subsidiaries.

      Section  5.03  AUTHORITY  RELATIVE TO THIS  AGREEMENT.  Each of ZMAX and
Acquisition has full corporate power and authority to execute and deliver this
Agreement  and  to  consummate  the  transactions   contemplated  hereby.  The


                                      20

<PAGE>

execution  and  delivery  of  this  Agreement  and  the  consummation  of  the
transactions  contemplated hereby have been duly and validly authorized by the
Board of Directors of ZMAX and Acquisition and by ZMAX as the sole stockholder
of  Acquisition  and no  other  corporate  proceedings  on the part of ZMAX or
Acquisition  are necessary to authorize  this  Agreement or to consummate  the
transactions  so  contemplated.  This  Agreement  has been  duly  and  validly
executed and delivered by each of ZMAX and Acquisition and constitutes a valid
and binding  agreement of each of ZMAX and  Acquisition,  enforceable  against
each of ZMAX and Acquisition in accordance with its terms.

      Section  5.04  CONSENTS  AND  APPROVALS;   NO  VIOLATIONS.   Except  for
applicable  requirements  of the Exchange Act,  Securities Act, and the filing
and  recordation  of a  Certificate  of Merger,  as required  by the  Delaware
General Corporation Law, no filing with, and no permit, authorization, consent
or approval of, any Governmental  Authority, is necessary for the consummation
by ZMAX of the  transactions  contemplated  by this  Agreement.  Except as set
forth in EXHIBIT 5.04 attached  hereto,  neither the execution and delivery of
this  Agreement  by  ZMAX  or  Acquisition  nor  the  consummation  by ZMAX or
Acquisition of the transactions  contemplated hereby nor compliance by ZMAX or
Acquisition with any of the provisions hereof will (i) conflict with or result
in any breach of any provision of the articles of  incorporation  or bylaws of
ZMAX or  Acquisition,  (ii) result in a violation or breach of, or  constitute
(with or without  due notice or lapse of time or both) a default (or give rise
to any right of termination,  cancellation or acceleration)  under, any of the
terms,  conditions  or  provisions  of any note,  bond,  mortgage,  indenture,
license,  contract,  agreement or other instrument or obligation to which ZMAX
or any of its  subsidiaries is a party or by which any of them or any of their
properties  or  assets  may  be  bound  or  (iii)  violate  any  order,  writ,
injunction,  decree,  statute,  treaty, rule or regulation applicable to ZMAX,
any of its  subsidiaries or any of their  properties or assets,  except in the
case of (ii) or (iii) for  violations,  breaches or  defaults  which would not
cause a ZMAX Material  Adverse  Effect and which will not prevent or delay the
consummation of the transactions contemplated hereby.

      Section  5.05  REPORTS.  Except as  provided  in EXHIBIT  5.05  attached
hereto, ZMAX has filed all required forms,  reports and documents with the SEC
since December 31, 1996 (collectively,  the "ZMAX SEC Reports"),  all of which
have complied in all material respects with all applicable requirements of the
Securities Act and the Exchange Act, and copies of which have been supplied to
Parker.

      Section 5.06  ACCURACY OF  STATEMENTS.  Neither this  Agreement  nor any
statement, list, certificate or other information furnished or to be furnished
by or on behalf of ZMAX to Parker in connection  with this Agreement or any of
the  transactions  contemplated  hereby,  taken as a whole,  contains  or will
contain any untrue  statement of a material fact  regarding ZMAX or the ZMAX's
business, or omits or will omit to state a material fact necessary to make the
statements  regarding ZMAX or ZMAX's business contained herein or therein,  in
light of the circumstances in which they are made, not misleading.


                                      21

<PAGE>

      Section 5.07 NO UNDISCLOSED LIABILITIES. Except as and to the extent set
forth in the ZMAX SEC Reports, neither ZMAX nor any of its subsidiaries had at
December  31,  1998,  any  liabilities  required by GAAP to be  reflected on a
consolidated balance sheet of ZMAX and its subsidiaries.  Except as and to the
extent set forth in such ZMAX SEC  Reports,  since such date and  through  and
including the Effective  Date,  neither ZMAX nor any of its  subsidiaries  has
incurred any  liabilities  material to the  business,  operations or financial
condition of ZMAX and its subsidiaries  taken as a whole,  except  liabilities
incurred in the ordinary and usual course of business and consistent with past
practice and liabilities incurred in connection with this Agreement.

      Section 5.08 NO DEFAULT.  Except as set forth in EXHIBIT  5.08  attached
hereto,  neither ZMAX nor any of its  subsidiaries  is in default or violation
(and no event  has  occurred  which  with  notice or the lapse of time or both
would  constitute a default or violation) of any term,  condition or provision
of (i) its  articles  of  incorporation  or its bylaws,  (ii) any note,  bond,
mortgage,  indenture,  license,  contract,  agreement or other  instrument  or
obligation  to which  ZMAX or any of its  subsidiaries  is a party or by which
they or any of their  properties  or assets  may be bound or (iii) any  order,
writ,  injunction,  decree,  statute, rule or regulation applicable to ZMAX or
any of its subsidiaries, which defaults or violations would, in the aggregate,
result in an ZMAX Material  Adverse Effect or which would prevent or delay the
consummation of the transactions contemplated hereby.

      Section 5.09 LITIGATION.  Except as disclosed in the ZMAX SEC Reports or
in EXHIBIT 5.09 attached hereto, there is no action, suit, proceeding,  review
or, to the best knowledge of ZMAX or Acquisition, investigation pending or, to
the best knowledge of ZMAX or Acquisition, threatened involving ZMAX or any of
its subsidiaries,  at law or in equity,  or before any Governmental  Authority
which in the  aggregate  are  reasonably  likely to result in an ZMAX Material
Adverse Effect.

      Section 5.10 COMPLIANCE  WITH APPLICABLE LAW. ZMAX and its  subsidiaries
hold all permits, licenses, variances, exemptions, orders and approvals of all
Governmental  Authorities necessary for the lawful conduct of their respective
business (the "ZMAX  Permits"),  except for failures to hold such ZMAX Permits
which would not, in the aggregate,  constitute a ZMAX Material Adverse Effect.
ZMAX  and its  subsidiaries  are in  compliance  with  the  terms  of the ZMAX
Permits,  except  where the  failure  so to comply  would not result in a ZMAX
Material  Adverse Effect.  The businesses of ZMAX and its subsidiaries are not
being  conducted  in  violation  of  any  applicable  law,  ordinance,   rule,
regulation,  decree  or  order  of  any  Governmental  Authority,  except  for
violations  which or in the  aggregate  do not and would not  result in a ZMAX
Material Adverse Effect.

      Section  5.11  BROKERS;  FINDERS.  ZMAX has not  retained  any broker or
finder in connection with the transactions  contemplated  herein so as to give
rise to any valid  claim for any  brokerage  or  finder's  commission,  fee or
similar compensation.


                                      22

<PAGE>

      Section 5.12 INTERIM  OPERATIONS OF ACQUISITION.  Acquisition was formed
solely for the purpose of engaging in the  transactions  contemplated  hereby,
has engaged in no other  business  activities and has conducted its operations
only as contemplated hereby.


                                  ARTICLE VI

                                   COVENANTS

      Section 6.01  COVENANTS OF PARKER,  THE SOLE  SHAREHOLDER  AND THE TRUST
BENEFICIARIES.  During  the  period  from  the  date  of  this  Agreement  and
continuing  until the Effective  Date,  Parker,  the Sole  Shareholder and the
Trust  Beneficiaries  jointly and  severally  agree that  (except as expressly
contemplated or permitted by this  Agreement,  or to the extent that the other
party shall otherwise consent in writing):

            (a) Parker shall carry on its  business in the usual,  regular and
ordinary  course,  consistent  with past  practice,  and use its best efforts,
consistent  with past  practice,  to  preserve  intact  its  present  business
organization,  maintain its corporate existence and good standing in its state
of  incorporation,  keep  available  the services of its present  officers and
employees and preserve its relationships with customers,  suppliers and others
having business dealings with it.

            (b) Parker shall not,  nor shall it propose to, (i)  declare,  set
aside or pay any  dividend or other  distribution  (whether in cash,  stock or
property or any  combination  thereof) in respect of any of its capital stock,
(ii)  split,  combine  or  reclassify  any of its  capital  stock  or issue or
authorize  or propose the issuance of any other  securities  in respect of, in
lieu  of or  in  substitution  for  shares  of  its  capital  stock  or  (iii)
repurchase, redeem or otherwise acquire any of its securities.

            (c) Parker shall not authorize for issuance,  issue, sell, deliver
or agree or commit to issue,  sell or deliver (whether through the issuance or
granting of options, warrants, commitments,  subscriptions, rights to purchase
or  otherwise)  any  stock of any  class or any  other  securities  (including
indebtedness  having  the  right to vote) or  equity  equivalents  (including,
without limitation, stock appreciation rights), except as required pursuant to
the agreements and instruments outstanding on the date hereof and disclosed in
Section  4.02,  or amend in any material  respect any of the terms of any such
securities or agreements outstanding on the date hereof.

            (d) Parker  shall not amend or propose  to amend its  articles  of
incorporation or bylaws.

            (e) Parker shall not acquire, sell, lease,  encumber,  transfer or
dispose of any assets outside the ordinary course of business, consistent with
past  practice,  or any assets  which are material to Parker taken as a whole,
except pursuant to obligations in effect on the date hereof, or enter into any


                                      23

<PAGE>

commitment or transaction outside the ordinary course of business,  consistent
with past practice.

            (f) Parker shall not incur any  indebtedness for borrowed money or
guarantee  any such  indebtedness  or issue  or sell  any debt  securities  or
warrants or rights to acquire any debt  securities  of Parker or guarantee (or
become  liable for) any debt of others or make any loans,  advances or capital
contributions or mortgage, pledge or otherwise encumber any material assets or
create or suffer any material  lien  thereupon  other than in each case in the
ordinary course of business consistent with prior practice.

            (g)  Parker  shall  not pay,  discharge  or  satisfy  any  claims,
liabilities  or  obligations  (absolute,   accrued,  asserted  or  unasserted,
contingent or otherwise), other than the payment, discharge or satisfaction in
the ordinary course of business consistent with past practice or in accordance
with  their  terms,  of  liabilities  reflected  or  reserved  against  in, or
contemplated  by, the Financial  Statements or incurred in the ordinary course
of business consistent with past practice.

            (h) Parker shall not change any of the  accounting  principles  or
practices used by it (except as required by GAAP).

            (i) Parker shall not agree to take any of the foregoing actions or
knowingly take or agree to take any action that would or is reasonably  likely
to  result  in any of its  representations  and  warranties  set forth in this
Agreement  being untrue or in any of the conditions to the Merger set forth in
Article VII not being satisfied.

            (j) Parker shall give ZMAX prompt notice of: (a) any notice of, or
other communication  relating to, a default or event which, with notice or the
lapse  of time or  both,  would  become  a  default,  if  received  by  Parker
subsequent  to the date of this  Agreement  and prior to the  Effective  Time,
under  any  agreement,  indenture  or  instrument  material  to the  financial
condition, properties, business or results of operations of Parker, taken as a
whole,  to which  Parker  is a party or is  subject;  (b) any  notice or other
communication  from any third  party  alleging  that the consent of such third
party is or may be required in connection with the  transactions  contemplated
by  this   Agreement,   which   consent,   if   required,   would  breach  the
representations  contained in Article IV; and (c) any Parker Material  Adverse
Change.

            (k)  During  the  period  from  the  date  of this  Agreement  and
continuing  until the Effective Time,  Parker agrees that it will not, without
the prior written  consent of ZMAX,  except as contemplated by this Agreement,
including Section 6.11 hereof, or required by law (i) enter into, adopt, amend
or terminate  any Parker  Benefit Plan or other  employee  benefit plan or any
agreement,  arrangement,  plan or policy between Parker and one or more of its
directors  or  executive   officers  or  (ii)   increase  in  any  manner  the
compensation  or fringe  benefits of any director,  officer or employee or pay
any benefit not  required by any plan and  arrangement  as in effect as of the
date hereof or enter into any contract,  agreement,  commitment or arrangement
to do any of the foregoing.


                                      24

<PAGE>

      Section 6.02 PRESS RELEASES. From the date of this Agreement through and
including the Effective Date, the parties shall consult with each other before
issuing any press releases or otherwise making public  statements with respect
to the  transactions  contemplated  hereby and in making any filings  with any
Governmental Authority with respect thereto.

      Section 6.03 NO SOLICITATION.  Neither Parker, the Sole Shareholder, the
Trust  Beneficiaries  nor  any  of  their  respective  Affiliates,   officers,
directors,  representatives or agents shall, directly or indirectly,  solicit,
initiate or encourage (including by way of furnishing information) any person,
entity or group concerning any merger,  sale of substantial assets outside the
ordinary  course  of  business,  sale of shares of  capital  stock or  similar
transaction involving Parker (other than the transactions contemplated by this
Agreement).  Parker,  the Sole Shareholder and the Trust  Beneficiaries  shall
promptly advise ZMAX of any such inquiries or proposals it receives from third
parties.

      Section 6.04 ACCESS TO INFORMATION.  Upon reasonable  notice and subject
to restrictions contained in confidentiality agreements to which such party is
subject (from which such party shall use  reasonable  efforts to be released),
Parker  and  ZMAX  shall  each  (and  shall  cause  each of  their  respective
subsidiaries to) afford to the officers, employees,  accountants,  counsel and
other  representatives  of the other,  access,  during normal  business  hours
during the period prior to the Effective  Time,  to its pertinent  properties,
books,  contracts,  commitments and records and,  during such period,  each of
Parker and ZMAX shall furnish promptly to the other all information concerning
its  business,  properties  and  personnel as such other party may  reasonably
request.  Unless  otherwise  required by law or court order,  the parties will
hold any such information  which is nonpublic in confidence until such time as
such information  otherwise becomes publicly available through no wrongful act
of either party,  and in the event of  termination  of this  Agreement for any
reason each party shall promptly return all nonpublic  documents obtained from
any other party,  and any copies or summaries made of such documents,  to such
other party.

      Section 6.05 BEST EFFORTS.  Subject to the terms and  conditions of this
Agreement,  each of the parties  hereto agrees to use its best efforts to have
the Closing  occur by October 1, 1999, or as soon as  practicable  thereafter,
but in any event prior to October 15, 1999, and to take, or cause to be taken,
all actions,  and to do, or cause to be done, all things necessary,  proper or
advisable  under  applicable  laws  and  regulations  to  consummate  and make
effective the transactions  contemplated by this Agreement including,  without
limitation,  the preparation and filing of all other forms,  registrations and
notices  required  to be filed to  consummate  the  transactions  contemplated
hereby and the taking of such actions as are necessary to obtain any requisite
approvals,  consents,  orders,  exemptions,  waivers  by any public or private
third party. Each party shall promptly consult with the other with respect to,
provide any  necessary  information  with respect to and provide the other (or
its counsel)  copies of, all filings made by such party with any  Governmental
Authority in connection with this Agreement and the transactions  contemplated
hereby.

      Section 6.06 SHAREHOLDERS  MEETING.  Parker shall duly call, give notice
of, convene and hold a meeting of its  shareholders as promptly as practicable
for  the  purpose  of  voting  upon  this   Agreement  and  the   transactions


                                      25

<PAGE>

contemplated herein. Parker will, through its Board of Directors, recommend to
its  shareholders  approval of such matters and will  coordinate and cooperate
with  respect to the timing of such  meeting and shall use its best efforts to
hold such  meeting  on the same day or as soon as  practicable  after the date
hereof,  and  shall  use its best  efforts  to  secure  the  approval  of this
Agreement and the transactions  contemplated herein,  subject to its fiduciary
duties under  applicable law. The Sole  Shareholder  agrees to vote all of the
Parker Shares in approval of this Agreement and the transactions  contemplated
herein.

      Section 6.07 CONTACT  CLIENTS.  Parker shall permit ZMAX, and ZMAX shall
have the right to contact,  subject to reasonable  conditions,  the clients of
Parker and to make reasonable  inquiries of such clients;  provided,  however,
that ZMAX shall  provide  Parker with  advance  notice of any such contact and
shall permit Parker to participate in any such contacts with Parker's clients.

      Section 6.08 NOTICE REGARDING CHANGE IN CIRCUMSTANCES.  Parker, the Sole
Shareholder  and the Trust  Beneficiaries  shall each give ZMAX written notice
promptly  upon  the  occurrence  of or  becoming  aware  of the  impending  or
threatened occurrence of any event which would cause or constitute a breach or
would have caused a breach had such event occurred or been known to ZMAX prior
to the date hereof, of any of the representations or warranties of Parker, the
Sole  Shareholder  and/or  the  Trust   Beneficiaries  as  contained  in  this
Agreement.

      Section 6.09 INDEMNIFICATION.

            (a)   INDEMNIFICATION  BY  THE  SOLE  SHAREHOLDER  AND  THE  TRUST
BENEFICIARIES.  Except as set forth herein,  each of the Sole  Shareholder and
the  Trust  Beneficiaries  jointly  and  severally  agrees to  indemnify  ZMAX
against,  and agrees to hold ZMAX harmless from, any and all Damages  incurred
by or asserted  against ZMAX as a result of,  relating to or arising out of or
in connection with any breach of any of the  representations  or warranties of
Parker,  the Sole  Shareholder  and/or  the  Trust  Beneficiaries  under  this
Agreement,  so long as neither ZMAX nor Acquisition  have committed any breach
prior to the Closing under the provisions of this Agreement.

            (b)  INDEMNIFICATION BY ZMAX. ZMAX agrees to indemnify each of the
Sole Shareholder and the Trust Beneficiaries  against, and agrees to hold each
of them harmless from, any breach of any of the  representations or warranties
of ZMAX under this Agreement,  so long as neither Parker, the Sole Shareholder
nor the Trust  Beneficiaries  have  committed  any breach prior to the Closing
under the provisions of this Agreement.

            (c)  CLAIMS.  The  provisions  of this  Section  6.09(c)  shall be
subject to Section 6.09(d) below. As soon as is reasonably  practicable  after
becoming  aware of a claim  for  indemnification  under  this  Agreement,  the
indemnified  person  ("Indemnified  Person") shall promptly give notice to the
indemnifying person  ("Indemnifying  Person") of such claim and the amount the
Indemnified  Person  reasonably  believes  it  will  be  entitled  to  receive
hereunder  from the  Indemnifying  Person;  provided  that the  failure of the
Indemnified  Person to promptly give notice shall not relieve the Indemnifying


                                      26

<PAGE>

Person of its obligations  except to the extent (if any) that the Indemnifying
Person shall have been prejudiced thereby. If the Indemnifying Person does not
object in writing to such  indemnification  claim  within  thirty (30) days of
receiving notice thereof, the Indemnified Person shall be entitled to recover,
on the  thirty-fifth  (35th)  day  after  such  notice  was  given,  from  the
Indemnifying  Person the amount of such claim,  and no later  objection by the
Indemnifying Person shall be permitted; if the Indemnifying Person agrees that
it has an  indemnification  obligation but objects that it is obligated to pay
only a lesser amount, the Indemnified Person shall nevertheless be entitled to
recover,  on the thirty-fifth (35th) day after such notice was given, from the
Indemnifying  Person the lesser amount,  without  prejudice to the Indemnified
Person's claim for the difference.  In addition to the amounts  recoverable by
the Indemnified Person from the Indemnifying  Person pursuant to the foregoing
provisions,  the Indemnified Person shall also be entitled to recover from the
Indemnifying  Person  interest on such  amounts at the rate of two times Prime
Rate from, and including,  the thirty-fifth (35th) day after such notice of an
indemnification  claim is given to, but not including,  the date such recovery
is actually made by the Indemnified Person.

            (d) NOTICE OF  THIRD-PARTY  CLAIMS;  ASSUMPTION  OF  DEFENSE.  The
Indemnified Person shall give notice as promptly as is reasonably  practicable
to the Indemnifying  Person of the assertion of any claim, or the commencement
of any suit, action or proceeding, by any Person not a party hereto in respect
of which  indemnity  may be sought  under this  Agreement;  provided  that the
failure of the  Indemnified  Person to promptly  give notice shall not relieve
the Indemnifying  Person of its obligations except to the extent (if any) that
the Indemnifying Person shall have been prejudiced  thereby.  The Indemnifying
Person may, at its own expense,  (a)  participate in the defense of any claim,
suit,  action or proceeding and (b) upon notice to the Indemnified  Person and
the  Indemnifying  Person's  delivering  to the  Indemnified  Person a written
agreement that the Indemnified Person is entitled to  indemnification  for all
Damages  arising out of such claim,  suit,  action or proceeding  and that the
Indemnifying  Person shall be liable for the entire amount of any Damages,  at
any time  during the course of any such  claim,  suit,  action or  proceeding,
assume the  defense  thereof;  provided,  however,  that (i) the  Indemnifying
Person's  counsel is reasonably  satisfactory to the Indemnified  Person,  and
(ii) the  Indemnifying  Person shall  thereafter  consult with the Indemnified
Person upon the Indemnified  Person's reasonable request for such consultation
from time to time with respect to such claim,  suit, action or proceeding.  If
the  Indemnifying  Person assumes such defense,  the Indemnified  Person shall
have the right (but not the duty) to participate in the defense thereof and to
employ counsel, at its own expense,  separate from the counsel employed by the
Indemnifying Person. If, however, the Indemnified Person reasonably determines
in its judgment that  representation  by the Indemnifying  Person's counsel of
both the  Indemnifying  Person and the  Indemnified  Person would present such
counsel with a conflict of interest,  then such Indemnified  Person may employ
separate counsel to represent or defend it in any such claim,  action, suit or
proceeding and the Indemnifying Person shall pay the fees and disbursements of
such  separate  counsel.  Whether or not the  Indemnifying  Person  chooses to
defend or prosecute any such claim,  suit,  action or  proceeding,  all of the
parties hereto shall cooperate in the defense or prosecution thereof.


                                      27

<PAGE>

            (e) SETTLEMENT OR COMPROMISE. Any settlement or compromise made or
caused to be made by the Indemnified Person or the Indemnifying Person, as the
case may be, of any claim,  suit,  action or proceeding  shall also be binding
upon the Indemnifying Person or the Indemnified Person, as the case may be, in
the same manner as if a final  judgment or decree had been  entered by a court
of competent  jurisdiction  in the amount of such  settlement  or  compromise;
provided, however, that no obligation, restriction, injunction, agreement with
the effect of an  injunction,  or Damages shall be imposed on the  Indemnified
Person as a result of such settlement  without its prior written consent.  The
Indemnified  Person  will give the  Indemnifying  Person at least  thirty (30)
days' notice of any proposed  settlement  or  compromise  of any claim,  suit,
action or  proceeding  it is  defending,  during  which time the  Indemnifying
Person may reject such proposed settlement or compromise;  provided,  however,
that from and after such rejection, the Indemnifying Person shall be obligated
to assume the defense of and full and complete  liability  and  responsibility
for  such  claim,  suit,  action  or  proceeding  and any and all  Damages  in
connection therewith in excess of the amount of unindemnifiable  Damages which
the  Indemnified  Person  would have been  obligated to pay under the proposed
settlement or compromise.

            (f) FAILURE OF  INDEMNIFYING  PERSON TO ACT. In the event that the
Indemnifying  Person does not elect to assume the defense of any claim,  suit,
action or proceeding,  then any failure of the Indemnified Person to defend or
to participate in the defense of any such claim, suit, action or proceeding or
to cause the same to be done, shall not relieve the Indemnifying Person of its
obligations hereunder.

            (g) CURE FOR BREACHES OF COVENANTS. In the event any party to this
Agreement  breaches any of its covenants or obligations  made hereunder (other
than covenants and obligations made under Section 6.01 or 6.09 hereof),  he/it
shall be given  ten (10)  calendar  days  within  which to cure  such  breach,
following   receipt  by  the  breaching  party  of  written  notice  from  the
non-breaching  party of the existence and the extent of each such breach.  The
parties  acknowledge and agree that the foregoing cure period is reasonable in
relation to the covenants and  obligations  they have  undertaken  pursuant to
this Agreement.

            (h) The provisions of this Section 6.09 are intended to be for the
benefit of, and shall be enforceable by, each Indemnified  Person and his, her
or its heirs and representatives.

      Section 6.10 PARKER EMPLOYEE OR CONSULTANT  AGREEMENTS.  (a) Attached to
EXHIBIT 6.10 hereto are true and correct copies of all  employment,  severance
and consulting agreements to which Parker is a party.

      Section 6.11 STOCK OPTIONS.  (a) At the Effective  Time, any outstanding
option,  warrant or other right whatsoever to purchase any Parker Shares shall
terminate.

            (b) EXHIBIT  6.11(B)  hereto sets forth the name of each person to
whom ZMAX shall grant,  as of the Effective  Date, a stock option ("ZMAX Stock
Option")  issued  under the ZMAX 1997 Stock Option Plan to purchase the number
of shares of ZMAX Common Stock set forth next to such person's name,  with the


                                      28

<PAGE>

exercisability  of each such stock  option to vest  according  to the  vesting
schedule set forth in EXHIBIT 6.11(B) hereto.

      Section 6.12  REGISTRATION  RIGHTS.  ZMAX and the Sole Shareholder shall
enter into a registration rights agreement  substantially in the form attached
hereto as EXHIBIT  6.12 (the  "Registration  Rights  Agreement"),  pursuant to
which the Sole  Shareholder will receive certain rights to register any shares
of ZMAX Common Stock which the Sole  Shareholder may acquire upon the exercise
of the Warrant under the terms thereof.

      Section 6.13  EXPENSES.  Whether or not the Merger is  consummated,  all
costs  and  expenses  incurred  in  connection  with  this  Agreement  and the
transactions  contemplated  hereby shall be paid by the party  incurring  such
costs and expenses;  PROVIDED,  HOWEVER,  that the Sole Shareholder shall bear
all of the  costs  and  expenses  (other  than  taxes)  incurred  by Parker in
connection with the preparation, negotiation and performance of this Agreement
(including,  without  limitation,  the letter  agreement  dated  September 13,
1999).

      Section 6.14  NON-COMPETITION  AGREEMENTS.  Each of the Sole Shareholder
and the Trust Beneficiaries shall execute a separate non-compete agreement, in
the forms attached hereto as EXHIBITS 6.14(A), (B) AND (C), which provide that
for the  period  of  five  (5)  years  following  the  Closing,  neither  Sole
Shareholder nor either of the Trust Beneficiaries shall solicit or provide any
computer consulting  services for any existing or targeted customers,  clients
or  suppliers  of  Parker  or ZMAX,  nor  encourage  any  existing  employees,
consultants  or  recruits  of  Parker  or ZMAX to  leave or  discourage  their
employment or consulting relationship with Parker of ZMAX.

      Section 6.15 EMPLOYMENT AND CONSULTING AGREEMENTS.  ZMAX agrees to enter
into an Employment  Agreement with Kenneth W. Parker,  a Consulting  Agreement
with  Jennifer  L.  Parker,  and  either  an  Employment  Agreement  and/or  a
Consulting  Agreement  with  each of the key  employees  of  Parker  listed on
EXHIBIT  6.15(A),  substantially  in the forms  attached  hereto  as  EXHIBITS
6.15(B), (C) AND (D).

      Section 6.16  LIMITATIONS ON PARKER  LIABILITIES AND CERTAIN ASSETS.  In
the event the total  liabilities of Parker  immediately prior to the Effective
Date  exceeds  the  aggregate   amount  of  Five  Hundred   Thousand   Dollars
($500,000.00)  plus all obligations (other than due to a breach) arising under
the two (2) office  leases of Parker in  Maryland  and Texas and one  computer
workstation lease of Parker,  then the Sole Shareholder agrees to cause Parker
prior to the  Effective  Date to transfer all such excess  liabilities  to the
Sole  Shareholder who shall assume such  liabilities so that such  liabilities
will not be liabilities of Parker as of the Effective Date; provided, however,
that (i) such liabilities of Parker as of the Effective Date shall not include
any automobile lease obligations nor any obligations  relating to the airplane
assets of Parker, and (ii) Parker shall have accrued and retained a sufficient
amount  of cash  necessary  to pay in full,  within  thirty  (30)  days of the
Effective Date, the amount of all income taxes of Parker for all periods up to
and through the Effective Date. As of the Effective Date, Parker shall not own
any assets relating to any airplanes and Parker shall have a minimum amount of
scheduled  backlog of  business  equal to at least Two Million  Seven  Hundred


                                      29

<PAGE>

Fifty Thousand  Dollars  ($2,750,000.00)  as of the Effective  Date, with such
backlog being set forth in greater detail on EXHIBIT 6.16.


                                  ARTICLE VII

                                  CONDITIONS

      Section 7.01 CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE MERGER.
The respective  obligation of each party to effect the Merger shall be subject
to the  satisfaction  at or  prior  to the  Effective  Date  of the  following
conditions:

            (a) This  Agreement  shall have been  approved  and adopted by the
affirmative vote of the Sole Shareholder.

            (b) Other  than the  filing  provided  for by  Section  2.01,  all
authorizations,  consents,  orders or approvals of, or declarations or filings
with, any Governmental  Authority,  and all required third party consents, the
failure to obtain  which would  result in a Parker  Material  Adverse  Effect,
shall have been filed, occurred or been obtained.

            (c) No  statute,  rule,  regulation,  executive  order,  decree or
injunction  shall have been enacted,  entered,  promulgated or enforced by any
Governmental  Authority  which  prohibits the  consummation  of the Merger and
shall be in effect.

            (d) The Escrow Agreement shall have been duly executed by the Sole
Shareholder,  ZMAX and the Escrow Agent, which agreement shall be effective as
of the Effective Date.

            (e) The Employment Agreements and Consulting Agreements shall have
been duly executed by the Surviving  Corporation,  ZMAX and each of Kenneth W.
Parker,  Jennifer  L.  Parker and the each of the key  employees  of Parker as
listed on EXHIBIT 6.15(A),  and shall be binding on such parties and effective
as of the Effective Date.

            (f) The  Non-Competition  Agreements shall have been duly executed
by the Surviving Corporation,  ZMAX and each of the Sole Shareholder,  Kenneth
W. Parker and  Jennifer L.  Parker,  and shall be binding on such  parties and
effective as of the Effective Date.

            (g)  The  Registration  Rights  Agreement  shall  have  been  duly
executed by the Sole Shareholder, the Surviving Corporation and ZMAX and shall
be binding on such parties and effective as of the Effective Date.

      Section 7.02 CONDITIONS OF OBLIGATIONS OF ZMAX AND ACQUISITION TO EFFECT
THE MERGER.  The  obligations of ZMAX and Acquisition to effect the Merger are
further  subject to the  satisfaction at or prior to the Effective Date of the
following conditions, unless waived by ZMAX and Acquisition:


                                      30

<PAGE>

            (a)  The  representations  and  warranties  of  Parker,  the  Sole
Shareholder and the Trust  Beneficiaries  set forth in this Agreement shall be
true and correct as of the date of this  Agreement,  and shall also be true in
all material  respects on and as of the Effective Date with the same force and
effect as though made on and as of the  Effective  Date,  except if and to the
extent any failures to be true and correct would not, in the aggregate, result
in a Parker Material Adverse Effect.

            (b) From the date of this  Agreement  through  and  including  the
Effective  Date,  except as set forth in EXHIBIT  4.06,  Parker shall not have
suffered any Parker Material Adverse Change.

            (c)  Each  of  Parker,   the  Sole   Shareholder   and  the  Trust
Beneficiaries shall have performed all obligations required to be performed by
it, him or her under this Agreement at or prior to the Effective Date, and all
representations  and warranties  shall be true and correct as of the Effective
Date, except where any failures to perform or breaches of such representations
or warranties would not, in the aggregate, result in a Parker Material Adverse
Effect,  and shall  provide a  certificate  of the President of Parker to that
effect.

            (d) Parker shall furnish ZMAX with copies of (i) resolutions  duly
adopted  by the Board of  Directors  of Parker  approving  the  execution  and
delivery of this Agreement and all other necessary or proper  corporate action
to  enable  Parker  to  comply  with  the  terms of this  Agreement,  (ii) the
resolution  duly adopted by the Sole  Shareholder  approving and adopting this
Agreement and the Merger, such resolutions to be certified by the Secretary or
Assistant Secretary of Parker.

            (e) Opinions of Counsel to Parker,  the Sole  Shareholder  and the
Trust Beneficiaries.  Parker, the Sole Shareholder and the Trust Beneficiaries
shall furnish ZMAX with an opinion, dated as of the Effective Date, of the law
firm of Allen & Blackford,  counsel to Parker,  the Sole  Shareholder  and the
Trust  Beneficiaries,  in form  and  substance  satisfactory  to ZMAX  and its
counsel, in the form attached hereto as EXHIBIT 7.02(E), to the effect that:

                  (i)  Parker  is a  corporation  duly  incorporated,  validly
            existing  and in good  standing  under  the  laws of the  State of
            Delaware;

                  (ii) Parker has the corporate  power corporate power and all
            necessary  authorizations  to carry on its businesses as and where
            they are being conducted on the Effective Date;

                  (iii) the  authorized  capital  stock of Parker  consists of
            Fifteen Thousand (15,000) Parker Shares, and the One Thousand Nine
            Hundred  (1,900) Parker Shares issued and  outstanding on the date
            hereof  are   validly   issued  and   outstanding,   fully   paid,
            non-assessable and owned solely by the Sole Shareholder,  and that
            between  the date  hereof  and the  Effective  Date no  additional
            shares of  capital  stock of Parker  have been  issued and none of


                                      31

<PAGE>

            such issued and outstanding Parker Shares were issued in violation
            of any preemptive rights of any shareholders of Parker;

                  (iv) Parker and the Sole Shareholder have taken all required
            corporate  and  shareholder  action  to  approve  and  adopt  this
            Agreement and the related  agreements  and contracts  contemplated
            hereby and this Agreement and all Exhibits hereto to which Parker,
            the Sole Shareholder  and/or the Trust  Beneficiaries  are a party
            are valid and binding  obligations of Parker, the Sole Shareholder
            and/or the Trust  Beneficiaries  enforceable  against Parker,  the
            Sole Shareholder and/or the Trust  Beneficiaries,  as the case may
            be, in accordance  with its terms,  subject as to  enforcement  to
            bankruptcy, reorganization,  moratorium, insolvency and other laws
            of  general  applicability  relating  to or  affecting  creditors'
            rights and to general equity principles;

                  (v) the execution and delivery of this  Agreement by Parker,
            the Sole Shareholder and the Trust Beneficiaries does not, and the
            consummation of the transactions contemplated by this Agreement by
            Parker, the Sole Shareholder and the Trust Beneficiaries will not,
            constitute (i) a breach or violation of, or a default  under,  the
            Articles of Incorporation  or Bylaws of Parker,  or (ii) a breach,
            violation or  impairment  of, or a default  under,  any  judgment,
            decree, order, statute, law, ordinance,  rule or regulation now in
            effect  applicable  to  Parker,  the Sole  Shareholder,  the Trust
            Beneficiaries or the respective properties of Parker or the Parker
            Shares,  as known to such counsel,  or any  agreement,  indenture,
            mortgage,  lease or other  instrument of Parker or to which Parker
            is subject and in each case known to such counsel; and

                  (vi) all filings  required to be made by Parker prior to the
            Effective  Time  with,  and all  consents,  approvals,  permits or
            authorizations  required  to be  obtained  by Parker  prior to the
            Effective Date from,  Governmental  Authorities in connection with
            the  execution  and  delivery of this  Agreement by Parker and the
            consummation of the transactions contemplated by this Agreement by
            Parker, have been so made or obtained, as the case may be.

            In  rendering  the  foregoing  opinion,  such  counsel may rely on
certificates of officers and other agents of Parker, the Sole Shareholder, the
Trust  Beneficiaries  and public  officials  as to matters of fact and,  as to
matters  relating  to the  law of  jurisdictions  other  than  Delaware,  upon
opinions of counsel of such other  jurisdictions  reasonably  satisfactory  to
ZMAX and its  counsel,  provided  such  reliance  is  expressly  noted in such
counsel's  opinion and the opinions of such other counsel and the certificates
of such officers,  agents and public  officials relied on are attached to such
counsel's opinion.

            (f) As of the  Effective  Date,  the total  liabilities  of Parker
shall not exceed the aggregate amount of $500,000 plus all obligations  (other
than due to a breach)  arising  under the two (2)  office  leases of Parker in


                                      32

<PAGE>

Delaware and Texas and one computer workstation lease of Parker.

            (g) All actions,  proceedings,  instruments and documents required
to carry out this Agreement, or incidental hereto, and all other legal matters
shall have been approved by Freedman,  Levy, Kroll & Simonds, counsel to ZMAX,
and such counsel shall have  received all  documents,  certificates  and other
papers reasonably requested by it in connection therewith.

      Section 7.03  CONDITIONS  OF  OBLIGATION OF PARKER TO EFFECT THE MERGER.
The  obligation  of Parker to effect  the  Merger is  further  subject  to the
satisfaction  at or prior to the Effective  Date of the following  conditions,
unless waived by Parker:

            (a) The  representations  and warranties of ZMAX set forth in this
Agreement  shall be true and  correct  as of the date of this  Agreement,  and
shall also be true in all material  respects on and as of the  Effective  Date
with the same force and effect as though made on and as of the Effective Date,
except if and to the extent any failures to be true and correct  would not, in
the aggregate, result in a ZMAX Material Adverse Effect.

            (b) From the date of this  Agreement  through  and  including  the
Effective  Date,  except as set forth in  EXHIBIT  5.06,  ZMAX  shall not have
suffered any ZMAX  Material  Adverse  Changes  (other than  changes  generally
affecting the  industries  in which ZMAX  operates,  including  changes due to
actual or proposed changes in law or regulation).

            (c) ZMAX shall  have  performed  all  obligations  required  to be
performed by it under this  Agreement at or prior to the Effective  Date,  and
all  representations  and  warranties  shall  be true  and  correct  as of the
Effective  Date,  except  where any  failures  to perform or  breaches of such
representations  or warranties  would not, in the  aggregate,  have a material
adverse  effect  on ZMAX and its  subsidiaries  taken as a  whole,  and  shall
provide a certificate of the President of ZMAX to that effect.

            (d) ZMAX and  Acquisition  shall furnish Parker with copies of (i)
resolutions duly adopted by their respective Boards of Directors approving the
execution  and delivery of this  Agreement  and all other  necessary or proper
corporate  action to enable them to comply  with the terms of this  Agreement,
(ii)  the  resolutions  duly  adopted  by  ZMAX  as the  sole  shareholder  of
Acquisition approving of the Merger and the transactions  contemplated in this
Agreement,  such  resolutions to be certified by the  President,  Secretary or
Assistant Secretary of ZMAX.

            (e) ZMAX shall  furnish  Parker with an  opinion,  dated as of the
Effective Date, of the law firm of Freedman, Levy, Kroll & Simonds, counsel to
ZMAX and  Acquisition,  in form and substance  satisfactory  to Parker and its
counsel, in the form attached hereto as EXHIBIT 7.03(E), to the effect that:


                                      33

<PAGE>

                  (i)  each of ZMAX  and  Acquisition  is a  corporation  duly
            incorporated, validly existing and in good standing under the laws
            of the state in which such corporations were incorporated;

                  (ii)  each  has  the  corporate   power  and  all  necessary
            authorizations  to carry on its  businesses  as and where they are
            being conducted on the Effective Date;

                  (iii)  the  authorized  capital  stock of ZMAX  consists  of
            50,000,000  shares of ZMAX Common Stock and  10,000,000  shares of
            preferred  stock,  and the shares of ZMAX Common  Stock issued and
            outstanding on the date hereof are validly issued and outstanding,
            fully paid and non-assessable;

                  (iv)  ZMAX and  Acquisition  has  each  taken  all  required
            corporate  action to  approve  and adopt  this  Agreement  and the
            related agreements and contracts  contemplated  hereby (including,
            without  limitation,  the Registration  Rights Agreement) and this
            Agreement  is  a  valid  and  binding   obligation  of  the  each,
            enforceable   in  accordance   with  its  terms,   subject  as  to
            enforcement to bankruptcy, reorganization,  moratorium, insolvency
            and other laws of general  applicability  relating to or affecting
            creditors' rights and to general equity principles;

                  (v) the execution and delivery of this  Agreement by each of
            ZMAX  and  Acquisition  do  not,  and  the   consummation  of  the
            transactions  contemplated  by this  Agreement  by each  will not,
            constitute (i) a breach or violation of, or a default  under,  the
            articles of incorporation  or bylaws of either,  or (ii) a breach,
            violation or  impairment  of, or a default  under,  any  judgment,
            decree, order, statute, law, ordinance,  rule or regulation now in
            effect  applicable to either or their respective  properties known
            to such counsel, or any agreement,  indenture,  mortgage, lease or
            other  instrument  of either or to which  either is subject and in
            each case known to such counsel and

                  (vi) all  filings  required  to be made by each prior to the
            Effective  Date  with,  and all  consents,  approvals,  permits or
            authorizations  required  to be  obtained  by  each  prior  to the
            Effective Date from,  Governmental  Authorities in connection with
            the  execution  and  delivery  of  this   Agreement  by  ZMAX  and
            Acquisition, and the consummation of the transactions contemplated
            by this Agreement by each,  have been so made or obtained,  as the
            case may be.

            In  rendering  the  foregoing  opinion,  such  counsel may rely on
certificates  of officers and other agents of ZMAX or  Acquisition  and public
officials  as to matters of fact and,  as to  matters  relating  to the law of
jurisdictions  other than  Delaware,  upon  opinions  of counsel of such other
jurisdictions reasonably satisfactory to Parker and its counsel, provided such
reliance is expressly noted in the opinion of such counsel and the opinions of
such other counsel and the  certificates  of such officers,  agents and public
officials  relied on are  attached to the opinion of such  counsel to ZMAX and
Acquisition.


                                      34

<PAGE>

                                 ARTICLE VIII

                           TERMINATION AND AMENDMENT

      Section 8.01  TERMINATION.  This Agreement may be terminated at any time
prior to the Effective  Time,  whether before or after approval of the matters
presented  in  connection  with the  Merger by the  stockholders  of Parker or
Acquisition:

            (a) by mutual consent of ZMAX and Parker;

            (b) by either  ZMAX or Parker  if the  Merger  shall not have been
consummated  on or before  October 15, 1999 (unless the failure to  consummate
the  Merger by such date  shall be due to the  action or failure to act of the
party seeking to terminate this Agreement); or

            (c) by either ZMAX or Parker if (i) the conditions to such party's
obligations  shall have  become  impossible  to satisfy or (ii) any  permanent
injunction or other order of a court or other competent  authority  preventing
the  consummation  of the Merger  shall have become  final and  non-appealable
(unless either (i) or (ii) above shall be the result of any improper action or
inaction on the part of either ZMAX or Parker, as the case may be).

      Section 8.02 EFFECT OF TERMINATION.  (a) In the event of the termination
and  abandonment  of this  Agreement  pursuant to Section  8.01  hereof,  this
Agreement  shall  forthwith  become  void  and  have no  effect,  without  any
liability  on the  part of any  party  hereto  or its  Affiliates,  directors,
officers or stockholders, except as provided below in Section 8.02(b). Nothing
contained in this Section 8.02 shall relieve any party from  liability for any
breach of this Agreement.

            (b) In the  event  of the  termination  and  abandonment  of  this
Agreement  pursuant  to Section  8.01  hereof,  ZMAX and Parker  each agree on
behalf of  themselves  and their  respective  agents and  representatives,  to
promptly return to ZMAX all ZMAX Confidential Information and return to Parker
all Parker  Confidential  Information  and to refrain  from keeping any copies
thereof,  or to destroy any such  Confidential  Information if so requested by
the originating party.

      Section 8.03  AMENDMENT.  This  Agreement  may be amended by the parties
hereto, by action taken or authorized by their respective Boards of Directors,
at any time before or after  approval of the matters  presented in  connection
with the Merger by the Sole  Shareholder,  but,  after any such  approval,  no
amendment  shall be made which by law  requires  further  approval by the Sole
Shareholder  without such further approval.  This Agreement may not be amended
except by an  instrument  in writing  signed on behalf of each of the  parties
hereto.

      Section 8.04 EXTENSION; WAIVER. At any time prior to the Effective Date,
the parties hereto may, to the extent legally allowed, (i) extend the time for
the  performance of any of the  obligations or other acts of the other parties


                                      35

<PAGE>

hereto,  (ii) waive any  inaccuracies  in the  representations  and warranties
contained herein or in any document  delivered pursuant hereto and (iii) waive
compliance  with any of the  agreements or conditions  contained  herein.  Any
agreement on the part of a party hereto to any such  extension or waiver shall
be valid  only if set forth in a written  instrument  signed on behalf of such
party.


                                  ARTICLE IX

                         POST-EFFECTIVE DATE COVENANTS

      Section 9.01 FURTHER  INSTRUMENTS  AND ACTIONS.  From time to time after
the Effective Date, Parker,  the Sole Shareholder and the Trust  Beneficiaries
shall  execute  and  deliver  to ZMAX  such  further  instruments  of sale and
assignment as ZMAX may reasonably request and Parker, the Sole Shareholder and
the Trust  Beneficiaries shall take all other actions, as required by ZMAX, in
order to fully vest and confirm in ZMAX all right,  title and  interest of the
Parker Shares and otherwise to carry out the purposes of this Agreement.

      Section 9.02 PARKER  401(K) PLAN  CONTRIBUTION.  Prior to the  Effective
Date,  Parker  shall  make a  contribution  to its 401(k)  retirement  plan of
________________Dollars ($___________).


                                   ARTICLE X

                                 MISCELLANEOUS

      Section 10.01  SURVIVAL OF  REPRESENTATIONS,  WARRANTIES  AND COVENANTS;
ESCROW.

            (a) SURVIVAL. All of the representations, warranties and covenants
made herein shall continue to survive the Effective Date.

            (b) ESCROW.  At the Closing,  ZMAX shall deposit  $150,000.00 (the
"Escrow  Fund")  with the law  firm of  Freedman,  Levy,  Kroll &  Simonds  in
Washington,  D.C. (the "Escrow Agent"), which Escrow Fund shall be governed by
the terms of the Escrow  Agreement dated as of the Effective Date and attached
hereto as EXHIBIT  10.01(B).  All costs and expenses of the Escrow Agent shall
be paid solely by ZMAX.  The Escrow Fund shall be available for a period of up
to one hundred  twenty (120) days after the Closing  (the "Escrow  Period") to
compensate  ZMAX and its Affiliates  for any shortfall in the Working  Capital
Amount of Parker as provided in Section 3.01(d).

      Section 10.02 NOTICES.  All notices and other  communications  hereunder
shall be in writing  (and shall be deemed  given upon  receipt)  if  delivered
personally, telecopied (which is confirmed), mailed by registered or certified
mail (return receipt requested), or delivered by a national overnight delivery
service (e.g.,  Federal Express) to the parties at the following addresses (or
at such other address for a party as shall be specified by like notice):


                                      36

<PAGE>

            (a)   if to ZMAX or Acquisition, to

                  ZMAX Corporation
                  20251 Century Boulevard
                  Germantown, Maryland  20874
                  Attention: Michael C. Higgins, President
                  Facsimile No.: (301) 353-9505

                  with a copy to

                  Thomas L. James, Esq.
                  Freedman, Levy, Kroll & Simonds
                  1050 Connecticut Avenue, N.W., Suite 825
                  Washington, D.C.  20036-5366
                  Facsimile No.: (202) 457-5151

                  and

            (b)   if to Parker, to

                  Parker Management Consultants, Ltd.
                  695A Main Street
                  Laurel, Maryland  20707
                  Attention: Kenneth W. Parker, President
                  Facsimile No.: (410) 379-0716

                  with a copy to:

                  Christopher L. Allen, Esq.
                  Allen & Blackford
                  4 Professional Drive, Suite 140
                  Gaithersburg, Maryland  20879
                  Facsimile No.: (301) 670-0300

      Section 10.03 DESCRIPTIVE HEADINGS.  The descriptive headings herein are
inserted for convenience  only and are not intended to be part of or to affect
the meaning or interpretation of this Agreement.

      Section  10.04  COUNTERPARTS.  This  Agreement may be executed in two or
more counterparts, all of which shall be considered one and the same agreement
and shall become effective when two or more  counterparts  have been signed by
each of the parties and delivered to the other  parties,  it being  understood
that all parties need not sign the same counterpart.


                                      37

<PAGE>

      Section  10.05  ENTIRE   AGREEMENT;   ASSIGNMENT.   This  Agreement  (a)
constitutes  the entire  agreement and  supersedes  all prior  agreements  and
understandings,  both written and oral,  among the parties with respect to the
subject matter hereof (other than any  confidentiality  agreement  between the
parties;  any provisions of such agreements  which are  inconsistent  with the
transactions contemplated by this Agreement being waived hereby) and (b) shall
not be assigned by operation of law or otherwise, provided that ZMAX may cause
Acquisition  to assign its rights and  obligations to ZMAX or any other wholly
owned subsidiary of ZMAX, but no such assignment shall relieve  Acquisition of
its obligations hereunder if such assignee does not perform such obligations.

      Section 10.06 GOVERNING LAW; JURISDICTION AND SERVICE OF PROCESS.

            (a) GOVERNING LAW. This Agreement and the Merger shall be governed
and  construed in  accordance  with the laws of the State of Delaware  without
regard to any applicable principles of conflicts of law.

            (b) JURISDICTION AND SERVICE OF PROCESS.  ANY ACTION OR PROCEEDING
SEEKING TO ENFORCE  ANY  PROVISION  OF, OR BASED ON ANY RIGHT  ARISING OUT OF,
THIS  AGREEMENT  SHALL BE BROUGHT  AGAINST  ANY OF THE  PARTIES  HERETO IN THE
APPROPRIATE  FEDERAL COURT  LOCATED IN THE STATE OF MARYLAND,  WITH EACH PARTY
HERETO  AGREEING TO SUBJECT MATTER  JURISDICTION,  PERSONAL  JURISDICTION  AND
VENUE IN SUCH COURT.  EACH OF THE PARTIES HERETO CONSENTS TO THIS JURISDICTION
PROVISION IN ANY SUCH ACTION OR  PROCEEDING  AND WAIVES ANY OBJECTION TO VENUE
LAID THEREIN. PROCESS IN ANY ACTION OR PROCEEDING REFERRED TO IN THE PRECEDING
SENTENCE MAY BE SERVED ON ANY PARTY HERETO ANYWHERE IN THE WORLD.

      Section  10.07  PUBLICITY.  Except as  otherwise  required by law or the
rules or regulations of the SEC or any national  securities  exchange,  for so
long as this Agreement is in effect,  neither Parker nor ZMAX shall,  or shall
permit any of its subsidiaries to, issue or cause the publication of any press
release  or  other  public  announcement  with  respect  to  the  transactions
contemplated  by this  Agreement  without  prior  consultation  with the other
party.

      Section 10.08 PARTIES IN INTEREST.  This Agreement shall be binding upon
and inure  solely to the  benefit of each party  hereto,  and  nothing in this
Agreement,  express or implied,  is intended to or shall confer upon any other
person or persons  any rights,  benefits or remedies of any nature  whatsoever
under or by reason of this Agreement


                   [signatures appear on the following page]


                                      38

<PAGE>

      IN WITNESS WHEREOF, ZMAX, Acquisition,  Parker, the Sole Shareholder and
the Trust  Beneficiaries  have each  caused  this  Agreement  to be signed and
sealed personally or by their respective officers thereunto duly authorized as
of the date first written above.

ATTEST:                                 ZMAX CORPORATION


 ____________________________           By:__________________________ [SEAL]
 James T. McCubbin, Secretary              Michael C. Higgins, President


ATTEST:                                 PARKER ACQUISITION CORPORATION


 ____________________________           By:__________________________ [SEAL]
 James T. McCubbin, Secretary              Michael C. Higgins, President


ATTEST/WITNESS:                         PARKER MANAGEMENT
                                        CONSULTANTS, LTD.


 _____________________________          By:_______________________ [SEAL]
 Jennifer L. Parker, Secretary             Kenneth W. Parker, President


ATTEST/WITNESS:                         WESTMONT NON-GRANTOR TRUST


 ___________________________            By:_______________________ [SEAL]
 Name:                                     Phyllis Ningard, Sole Trustee
 Witness


 ___________________________            _______________________________
Name:                                   Kenneth W. Parker, Individually
Witness


 ___________________________            ________________________________
Name:                                   Jennifer L. Parker, Individually
Witness


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