INFODATA SYSTEMS INC
8-K, 1995-10-27
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                      SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C.



                                   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 11, 1995


                             INFODATA SYSTEMS INC.
 -----------------------------------------------------------------------------
            (Exact name of Registrant as specified in its charter)


         Virginia                   0-10416                16-0954695
 ---------------------------      ------------           --------------
 (State or other jurisdiction     (Commission            (IRS Employer
      of incorporation)           File Number)           Identification
                                                             Number)

         12150 Monument Drive
         Suite 400
         Fairfax, Virginia                               22033
 ----------------------------------------              ----------
 (Address of principal executive offices)              (zip code)


      Registrant's telephone number, including area code: (703) 934-5202
                                                          --------------

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


<PAGE>

Item 2.  Acquisition or Disposition of Assets.

     On October 11, 1995,  Infodata  Systems Inc. (the "Company")  consummated
its purchase of substantially  all of the assets and the assumption of certain
liabilities of Merex, Inc. ("Merex"). The purchase was effected pursuant to an
Asset and Purchase Agreement and Plan of  Reorganization,  dated as of October
6, 1995 (the  "Agreement"),  among the  Company,  Merex and Richard M. Tworek,
Mary Margaret Styer and Andrew M. Fregly (collectively, the "Shareholders"). A
copy of the Agreement is filed as an exhibit hereto and is incorporated herein
by  reference.  Merex was engaged in the business of marketing and delivery of
electronic document management solutions to businesses and the government. The
Company intends to continue to utilize the assets acquired in this transaction
for those same purposes.

     Pursuant to the Agreement,  the Company  purchased the assets and assumed
certain  liabilities  of  Merex in  consideration  for the  issuance  of up to
125,000 shares of common stock, par value $.03 per share (the "Common Stock"),
of the  Company,  with  100,000  shares of Common  Stock  being  issued to the
Shareholders  at the closing of the  acquisition  on October 11, 1995 and with
the  remaining  25,000  shares of Common  Stock being held in escrow until the
satisfaction by Merex and the Shareholders of certain post-closing  conditions
by or before  December 31, 1995.  The purchase price in this  transaction  was
determined in arms-length negotiations between the Company and Merex.


Item 7.   Financial Statements, Proforma 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 proforma  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 December 26, 1995.

                   The following exhibit is filed herewith:

         Exhibit No.                 Document

              2                      Asset  Purchase  Agreement  and  Plan  of
                                     Reorganization,  dated as of  October  6,
                                     1995, among Infodata Systems Inc., Merex,
                                     Inc.,  Richard M. Tworek,  Mary  Margaret
                                     Styer and Andrew M. Fregly.

                                       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.



                                          INFODATA SYSTEMS INC.
                                          (Registrant)


Dated: October 27, 1995                   By:HARRY KAPLOWITZ
                                          -------------------
                                             Harry Kaplowitz
                                             President


              ASSET PURCHASE AGREEMENT AND PLAN OF REORGANIZATION


                                 by and among


                            INFODATA SYSTEMS INC.,
                                          As the Buyer,


                                      and


                                  MEREX, INC.
                                          As the Seller,


                                      and


                              RICHARD M. TWOREK,
                              MARY MARGARET STYER
                                      and
                               ANDREW M. FREGLY,
                                          As the Shareholders.


                          Dated as of October 6, 1995

<PAGE>

                               TABLE OF CONTENTS


INTRODUCTORY PARAGRAPH
PREAMBLE

                                   ARTICLE I

                                  DEFINITIONS

1.1.     Definitions........................................................  1


                                  ARTICLE II

                          SALE AND PURCHASE OF ASSETS

2.1.     Sale and Purchase of Assets........................................  5
2.1.1.   Excluded Assets....................................................  6
2.2.     Purchase Price, Purchase Price Adjustments, Delivery of 
         Certificates and Post-Closing Matters..............................  6
2.3.     Assumed Liabilities of Seller......................................  9
2.4.     Delivery of Purchased Assets and Novation or Assignment of 
         Contracts.......................................................... 11
2.5.     Closing............................................................ 12
2.6.     Procedures for Certain Excluded Assets and Excluded Liabilities.... 12
2.6.1.   Certain Excluded Assets............................................ 12
2.6.2.   Certain Excluded Liabilities....................................... 12


                                  ARTICLE III

                        REPRESENTATIONS AND WARRANTIES

3.1.     Representations and Warranties of Seller........................... 12
3.1.1.   Corporate Existence................................................ 12
3.1.2.   Authorization...................................................... 13
3.1.3.   No Violation Caused by this Agreement.............................. 13
3.1.4.   Bank Accounts...................................................... 13
3.1.5.   Actions or Proceedings............................................. 13
3.1.6.   Compliance with Laws............................................... 14
3.1.7.   Tax Matters........................................................ 14
3.1.8.   Brokers; Finders................................................... 14
3.1.9.   Financial Statements............................................... 14
3.1.10.  Operations of Seller............................................... 15
3.1.11.  Title to and Condition of Purchased Assets......................... 16
3.1.12.  Real Property Leases; No Other Real Property....................... 16


<PAGE>



3.1.13.  Equipment.......................................................... 16
3.1.14.  Intellectual Property.............................................. 16
3.1.15.  Contracts.......................................................... 17
3.1.16.  Benefit Plans...................................................... 17
3.1.17.  No Defaults or Violations.......................................... 18
3.1.18.  Environmental Compliance........................................... 18
3.1.19.  Inventory.......................................................... 19
3.1.20.  Insurance.......................................................... 19
3.1.21.  Accounts Receivable................................................ 19
3.1.22.  Capital Improvements and Expenditures.............................. 19
3.1.23.  Assets Sufficient for Conduct of Business ......................... 20
3.1.24.  Accuracy of Statements ............................................ 20
3.1.25.  No Other Agreement................................................. 20
3.1.26.  Continuity of Business Enterprise.................................. 20
3.1.27.  Improper and Other Payments........................................ 20
3.1.28.  Officers, Directors, Key Employees and Others...................... 20
3.1.29.  No Labor Unions; Employee Relations................................ 21
3.2.     Representations and Warranties of Buyer............................ 21
3.2.1.   Corporate Existence................................................ 21
3.2.2.   Authorization...................................................... 21
3.2.3.   No Violation....................................................... 21
3.2.4.   Compliance with Laws............................................... 22
3.2.5.   Actions and Proceedings............................................ 22
3.2.6.   Ability to Perform................................................. 22
3.2.7.   Capitalization..................................................... 22
3.2.8.   Brokers; Finders................................................... 23
3.2.9.   Continuity of Business Enterprise.................................. 23
3.2.10.  No Defaults or Violations.......................................... 23
3.2.11.  Environmental Compliance........................................... 23
3.2.12.  Assets Sufficient for Conduct of Business ......................... 24
3.2.13.  Accuracy of Statements ............................................ 24
3.2.14.  Improper and Other Payments........................................ 24
3.3.     Representations and Warranties of Shareholders..................... 25
3.3.1.   General............................................................ 25
3.3.2.   No Conflict of Interest............................................ 25
3.3.3.   Purchase for Investment............................................ 25
3.3.4.   Shareholders' Taxes................................................ 26


                                  ARTICLE IV

         CERTAIN COVENANTS OF SELLER AND SHAREHOLDERS PRIOR TO CLOSING

4.1.     Access to Facilities, Files and Records............................ 27
4.2.     Risk of Loss....................................................... 27
4.3.     Employees and Compensation......................................... 27

<PAGE>



4.4.     Conduct of Business................................................ 27
4.5.     Contact Clients.................................................... 29
4.6.     No Solicitation or Offers.......................................... 29
4.7.     Change of Corporate Name........................................... 29
4.8.     Notice Regarding Change in Circumstances........................... 29
4.9.     Approval By Shareholders; Liquidation of Seller.................... 29


                                   ARTICLE V

                         ADDITIONAL COVENANTS OF BUYER

5.1.     Employment of Seller Personnel..................................... 30
5.2.     Termination of NationsBank Loan Facility........................... 30
5.3.     Consulting Agreement with Styer.................................... 30
5.4.     Employment Agreements with Tworek and Fregly....................... 31


                                 ARTICLE VI

                      ADDITIONAL COVENANTS OF THE PARTIES

6.1.     Expenses........................................................... 31
6.2.     Non-Competition.................................................... 31
6.3.     Further Assurances................................................. 33
6.4.     Use of Name........................................................ 33
6.5.     Registration of Buyer Common Stock................................. 33
6.6.     Termination of Certain Agreements.................................. 33
6.7.     Agreement of Shareholders Not to Transfer Shares................... 33


                                  ARTICLE VII

            CONDITIONS PRECEDENT TO OBLIGATIONS OF PARTIES TO CLOSE

7.1.     Leases............................................................. 34
7.2.     Non-Competition Provisions......................................... 34
7.3.     Conditions Precedent to Obligations of Seller and Shareholders to 
         Close.............................................................. 34
7.3.1.   Warranties True as of the Present Date, the Closing Date and the
         Post-Closing Date.................................................. 34
7.3.2.   Compliance with Agreement and Covenants............................ 34
7.3.3.   Delivery of Buyer Common Stock..................................... 34
7.3.4.   Certification...................................................... 35
7.3.5.   Opinion of Buyer's Counsel......................................... 35
7.3.6.   No Action.......................................................... 35
7.3.7.   Termination of NationsBank Loan Facility........................... 35

<PAGE>

7.3.8.   No Material Adverse Change in Buyer's Business..................... 35
7.4.     Conditions Precedent to Obligations of Buyer to Close.............. 35
7.4.1.   Warranties True as of the Present Date, the Closing Date and the
         Post-Closing Date.................................................. 35
7.4.2.   Compliance with Agreement and Covenants............................ 36
7.4.3.   Consents and Approvals............................................. 36
7.4.4.   Certification...................................................... 36
7.4.5.   Opinion of Seller's Counsel........................................ 36
7.4.6.   No Action.......................................................... 36
7.4.7.   No Material Adverse Change in Seller's Business.................... 36


                                 ARTICLE VIII

                             POST-CLOSING MATTERS

8.1.     Purchase Price Adjustments......................................... 36
8.2.     Escrow Agent....................................................... 37
8.3.     Further Instruments and Actions.................................... 37
8.4.     Novation/Assignment of Contracts................................... 37
8.5.     Consents and Approvals............................................. 37
8.6.     Termination of NationsBank Loan Facility........................... 37


                                  ARTICLE IX

                                  TERMINATION

9.1.     Termination........................................................ 37
9.2.     Effect of Termination.............................................. 38


                                   ARTICLE X

                                INDEMNIFICATION

10.1.    Survival........................................................... 38
10.2.    Limits on Indemnification.......................................... 38
10.3.    Indemnification by Shareholders.................................... 38
10.4.    Indemnification by Buyer........................................... 39
10.5.    Claims............................................................. 39
10.6.    Notice of Third-Party Claims; Assumption of Defense................ 40
10.7.    Settlement or Compromise........................................... 40
10.8.    Failure of Indemnifying Person to Act.............................. 41

<PAGE>

                                  ARTICLE XI

                                 MISCELLANEOUS

11.1.    Expenses........................................................... 41
11.2.    Amendment.......................................................... 41
11.3.    Notices............................................................ 42
11.4.    Counterparts....................................................... 43
11.5.    Interpretation..................................................... 43
11.6.    Applicable Law..................................................... 44
11.7.    Assignment......................................................... 44
11.8.    No Third-Party Beneficiaries....................................... 44
11.9.    Publicity.......................................................... 44
11.10.   Severability....................................................... 44
11.11.   Remedies Cumulative................................................ 44
11.12.   Entire Understanding............................................... 44
11.13.   Jurisdiction of Disputes; Waiver of Jury Trial..................... 45


EXHIBITS

1.1.        Financial Statements
2.1.        List of Purchased Assets and Form of Bill of Sale
2.1.1.      List of Excluded Assets
2.2(a)      Amount of Buyer Common Stock to be issued to the Shareholders
2.2(b)(ii)  Description of ADOBE "Virtual File Cabinet" Product
2.2(c)      Escrow Agreement
2.2(e)      Joint Letter to all Utility Services
2.3.        Assumption Agreement for Assumed Liabilities
2.4(a)      Novation/Assignment Agreements
3.1.1.      List of States in which Seller Qualified
3.1.3.      List of Violations Caused by this Agreement
3.1.4.      List of Banks, Brokers and Financial Institutions
3.1.5.      Actions or Proceedings
3.1.6.      Permits
3.1.7.      Tax Matters
3.1.10.     Operations of Seller
3.1.11.     Title to and Condition of Purchased Assets
3.1.12.     Real Property Leases
3.1.13.     List of Subsequently Acquired Equipment
3.1.14.     List of Seller's Intellectual Property and any Exceptions
3.1.15.     Contracts
3.1.16.     Benefit Plans
3.1.17.     Defaults or Violations
3.1.20.     Insurance
3.1.21.     Accounts Receivable

<PAGE>

3.1.22.     Capital Improvements or Purchases
3.1.27.     Improper or Other Payments
3.1.28.     Officers, Directors, Key Employees and Others
3.1.29(a)   Changes in Terms of Employment
3.2.1.      List of States in which Buyer Qualified
3.2.3.      Consents
3.3.2.      Conflicts of Interest
5.1.1       Changes or Exceptions to the Employment of Seller Personnel
5.1.2       Stock Options
5.3.        Consulting Agreement of Styer
5.4.1.      Employment Agreement of Tworek
5.4.2.      Employment Agreement of Fregly
6.6.        List of Contracts to Continue with the Shareholders or Affiliates
7.1.        Landlord Consent and Assignment of Existing Office Lease
7.3.4.      Certification of Buyer's President
7.3.5.      Opinion of Buyer's Counsel
7.4.4.      Certification of Seller's President and Controller
7.4.5.      Opinion of Seller's Counsel

<PAGE>

              ASSET PURCHASE AGREEMENT AND PLAN OF REORGANIZATION

     THIS  ASSET   PURCHASE   AGREEMENT  AND  PLAN  OF   REORGANIZATION   (the
"Agreement")  is dated as of  October  6, 1995 by and among  INFODATA  SYSTEMS
INC.,  a  Virginia  corporation  with its  principal  office  located at 12150
Monument Drive,  Fairfax,  Virginia 22033 ("Buyer");  MEREX,  INC., a Maryland
corporation  with its principal  office located at 3206 Tower Oaks  Boulevard,
Suite 300, Rockville, Maryland 20852 ("Seller"); RICHARD M. TWOREK who resides
at 3856 St. Clair Court,  Monrovia,  Maryland 21770 ("Tworek");  MARY MARGARET
STYER  who  resides  at 621  Springvale  Road,  Great  Falls,  Virginia  22066
("Styer");  and ANDREW M. FREGLY who resides at 3151 K Covewood  Court,  Falls
Church,   Virginia  22042   ("Fregly")(Tworek,   Styer  and  Fregly  are  also
hereinafter collectively referred to as the "Shareholders").

                                P R E A M B L E

     Seller  desires  to sell to Buyer,  and Buyer  desires to  purchase  from
Seller,  substantially  all of the  assets of Seller  solely in  exchange  for
shares of voting common stock of Buyer and the  assumption by Buyer of certain
of  Seller's   liabilities   and  obligations  on  the  terms  and  conditions
hereinafter set forth.  The parties intend for this  transaction to be treated
as a tax-free "C"  reorganization  under Section  368(a)(1)(C) of the Internal
Revenue Code of 1986.

     NOW,  THEREFORE,   in  consideration  of  the  premises  and  the  mutual
covenants,  agreements and warranties made herein, the parties hereto agree as
follows:

                                   ARTICLE I

                                  DEFINITIONS

     1.1 Definitions.  The following words and terms as used in this Agreement
shall have the following meanings:

          "Affiliate"  means,  with reference to a specified  Person,  (1) any
     other  Person  that,   directly  or   indirectly   through  one  or  more
     intermediaries,  owns or controls,  is under common  ownership or control
     with, or is owned or controlled by, the specified  Person,  (2) any other
     Person  that  is a  director,  officer  or  partner  or is,  directly  or
     indirectly,  the  beneficial  owner of 10 percent or more of any class of
     equity securities of the specified Person or a Person described in clause
     (1) of this paragraph,  (3) another Person of which the specified  Person
     is a  director,  officer or partner or is,  directly or  indirectly,  the
     beneficial owner of 10 percent or more of any class of equity securities,
     or (4) any  relative  or  spouse  of the  specified  Person or any of the
     foregoing  Persons.  For  purposes  of  this  definition,  (i)  "control"
     (including,  with  correlative  meaning,  the terms  "controlled  by" and
     "under common control with"),  as used with respect to any Person,  shall
     mean the  possession,  directly or indirectly,  of the power to direct or
     cause the direction of the management and policies of such

                                       1

<PAGE>

     Person, whether through the ownership of voting securities or by contract
     or otherwise.

          "Assumed Liabilities" has the meaning set forth in Section 2.3.

          "Assumption Agreement" has the meaning set forth in Section 2.3.

          "Benefit Plans" has the meaning set forth in Section 3.1.16.

          "Bill of Sale" has the meaning set forth in Section 2.1.

          "Business  Day" means a day other than a Saturday,  Sunday or day on
     which  commercial  banks  in New  York  City  are  generally  closed  for
     business.

          "Buyer Common Stock" means the  authorized,  issued and  outstanding
     common stock,  par value $0.03 per share, of Buyer, as further  described
     in Section 3.3.5.

          "Closing" means the  consummation of the  transactions  contemplated
     herein.

          "Closing  Date"  and  "Post-Closing  Date"  mean the  dates on which
     Closing and Post-Closing  occur, as specified in Sections 2.5 and 2.2(d),
     respectively.

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

          "Confidential  Information"  has the  meaning  set forth in  Section
     6.2(e).

          "Contracts" has the meaning set forth in Section 2.1.

          "Documentation  of New  Business,"  with  respect  to a named  third
     party,  means one or more  purchase  orders,  contracts or other  written
     commitments  reasonably  acceptable  to Buyer and signed by the  relevant
     third  party or one of its  Affiliates,  on the one hand,  and by Seller,
     Buyer or one of their respective Affiliates, on the other hand.

          "Ending Date" has the meaning set forth in Section 6.2(a).

          "Environmental  Law"  means any law which  relates  to or  otherwise
     imposes   liability  or  standards  of  conduct   concerning   mining  or
     reclamation of mined land, discharges,  emissions, releases or threatened
     releases of noises,  odors or  pollutants,  contaminants  or hazardous or
     toxic wastes, substances or materials,  whether as matter or energy, into
     ambient air,  water or land,  or otherwise  relating to the  manufacture,
     processing, generation,  distribution, use, treatment, storage, disposal,
     cleanup,  transport or handling of pollutants,  contaminants or hazardous
     or toxic wastes,  substances or  materials,  including the  Comprehensive
     Environmental

                                       2

<PAGE>

     Response,  Compensation  and  Liability  Act of 1980  and  the  Superfund
     Amendments  and  Reauthorization  Act  of  1986  (together,  as  amended,
     "CERCLA"), the Resource Conservation and Recovery Act of 1976, as amended
     ("RCRA"), the Federal Water Pollution Control Act Amendments of 1972, the
     Clean Water Act of 1977, as amended,  any so-called  "Superfund" law, and
     any other similar federal, state or local law.

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

          "Excluded Assets" has the meaning set forth in Section 2.1.1.

          "Excluded Liabilities" has the meaning set forth in Section 2.3.

          "Existing Borrowing" means all borrowing from lending  institutions,
     vendors or  agencies  of  federal,  state or local  governments  or their
     political  subdivisions,  as set forth on the Financial  Statements or in
     the books and records of the Seller.

          "Financial Statements" means all of the following:

               (a) the audited financial  statements of the Seller as of March
     31, 1995 (including all schedules and notes  thereto),  consisting of the
     balance sheet at such date; and

               (b) the  audited  financial  statements  of  the  Seller  as of
     December 31, 1994 (including all schedules and notes thereto), consisting
     of the  balance  sheet  at  such  date  and  the  related  statements  of
     operations and cash flows for the twelve month period then ended.

     In addition to (a) and (b) above, the term "Financial  Statements"  shall
     include any and all interim  Financial  Statements issued with respect to
     Seller for any period  after March 31,  1995.  The  Financial  Statements
     shall be attached as Exhibit 1.1 to this Agreement.

          "GAAP" means generally accepted accounting principles as defined and
     applied in the United States of America.

          "Governmental  Authority"  means the government of the United States
     or any foreign country or any state or political  subdivision thereof and
     any  entity,  body  or  authority  exercising   executive,   legislative,
     judicial,  regulatory  or  administrative  functions of or  pertaining to
     government.

                                       3

<PAGE>

          "Hazardous Substance" means:

               (a) any "hazardous substance" as defined by CERCLA;

               (b) any "hazardous substance" as defined by RCRA;

               (c) any petroleum product or fractions thereof; or

               (d) any pollutant or  contaminant  or  hazardous,  dangerous or
     toxic  chemical,  material  or  substance  within  the  meaning  of other
     applicable  federal,  state  or  local  Law,  regulation,   ordinance  or
     requirement   (including  consent  decrees  and  administrative   orders)
     relating to or imposing  liability or standards of conduct concerning any
     hazardous, toxic or dangerous waste, substance or material, all as now or
     at any time hereafter in effect.

          "Indemnified Person" and "Indemnifying Person" have the meanings set
     forth in Section 10.5.

          "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  "Seller's   Intellectual   Property"  means  any  and  all
     Intellectual Property used by the Seller in the conduct of its business.

          "Knowledge"   means,   with  respect  to  an  individual   making  a
     representation  to his or her "knowledge,"  those facts and circumstances
     personally known by such individual; and with respect to an entity making
     a  representation  to its  "knowledge,"  those  facts  and  circumstances
     personally known by any officer of such entity.

          "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.

          "Loss" or "Losses"  means any and all  liabilities,  losses,  costs,
     claims, damages (including consequential damages), penalties and expenses
     (including  attorney's fees and expenses and costs of  investigation  and
     litigation).  In  the  event  any  of  the  foregoing  are  indemnifiable
     hereunder,  the terms  "Loss"  and  "Losses"  shall  include  any and all
     attorneys'  fees and expenses and costs of  investigation  and litigation
     incurred by the Indemnified  Person in enforcing such indemnity.  No Loss
     shall be reduced by reason of tax benefits  allegedly enjoyed as a result
     of such Loss by any Indemnified Party.

                                       4

<PAGE>

          "Noncompetition" has the meaning described in Section 6.2.

          "Permits" has the meaning set forth in Section 3.1.6.

          "Person"  means  an  individual,  firm,  partnership,   corporation,
     association,  limited liability company,  limited liability  partnership,
     unincorporated  organization,  trust,  corporation,  or any other entity,
     including, without limitation, a government or any department,  agency or
     instrumentality thereof.

          "Prime Rate" means the annual rate of interest  charged from time to
     time by the Chase Manhattan Bank,  N.A., in New York City for U.S. Dollar
     loans made to the most credit worthy customers of such bank.

          "Purchased Assets" has the meaning set forth in Section 2.1.

          "Purchase Price" has the meaning set forth in Section 2.2.

          "Purchase  Price  Adjustments"  means the  decreases in the Purchase
     Price set forth in Section 2.2(b).

          "Subsidiary"  means any Person of which 50.1  percent or more of the
     voting power of such Person is controlled by another Person.

          "Tax" or "Taxes" has the meaning set forth in Section 3.1.7.


                                  ARTICLE II

                          SALE AND PURCHASE OF ASSETS

     2.1 Sale and Purchase of Assets.  Subject to the terms and  conditions of
this Agreement, at the Closing the Seller shall sell, transfer, convey, assign
and deliver to Buyer, and Buyer shall purchase from Seller,  substantially all
of  Seller's  assets,  business,  properties,  goodwill  and rights as a going
concern,  tangible  and  intangible,  wheresoever  located  and whether or not
carried or reflected on the books and records of Seller and listed on attached
Exhibit  2.1  (hereinafter   sometimes   collectively  called  the  "Purchased
Assets"). The Purchased Assets shall include,  without limitation:  (i) all of
Seller's right,  title and interest in and to Seller's  corporate name and all
variations  thereof;  (ii)  cash-on-hand  and cash in bank accounts of Seller,
inclusive of cash equivalents,  as of the Closing Date, together with the bank
account records of Seller;  (iii) all of Seller's right, title and interest in
and to all  contracts,  licenses or  agreements  to which Seller is a party or
shall become a party to prior to the Closing  Date (other than this  Agreement
and  the  agreements   executed  pursuant  hereto  or  contemplated   hereby),
including,  without limitation,  all supply and customer  contracts,  work and
purchase orders, employment and consultancy contracts, government

                                       5

<PAGE>

contracts,  equipment,  capital and real property  leases and loan  agreements
listed on  attached  Exhibit 2.1  (collectively,  the  "Contracts");  (iv) all
accounts receivable, checks, negotiable instruments and chattel paper, payable
to or (with respect to bearer  instruments)  in the possession of Seller;  (v)
all  inventory  and  supplies;  (vi) all  furniture,  fixtures,  equipment and
machinery;  (vii) all  leasehold  interests and  improvements  thereon and any
other  interest  in land owned by the Seller;  (viii) all of  Seller's  right,
title and interest in and to Seller's  Intellectual  Property;  (ix) all books
and records, files, designs,  drawings, data processing software and operating
data relating to the Purchased Assets or the Assumed  Liabilities,  other than
those  which  constitute  Excluded  Assets or  Excluded  Liabilities;  (x) any
rebates  for  insurance  or other  prepaid  items  (e.g.,  deposits to satisfy
worker's  compensation  claims); (xi) with respect to each insurance policy on
which Seller is an insured and which is an "occurrence" policy as opposed to a
"claims made" policy, all rights of Seller, including the right to receive any
amounts recovered or recoverable from the insurer after the Closing Date, with
respect to any Loss resulting from an occurrence  which took place on or prior
to the Closing Date, and with respect to each insurance policy on which Seller
is an  insured  party and which is a "claims  made"  policy as  opposed  to an
"occurrence" policy, all rights of Seller,  including the right to receive any
amounts recovered or recoverable from the insurer after the Closing Date, with
respect to any Loss  resulting  from a claim  made on or prior to the  Closing
Date,  together with all insurance  policies of which Seller is the sole owner
and which are listed on Exhibit  3.1.20 hereto to be assigned to Buyer;  (xii)
all claims,  causes of actions, and suits which Seller has or may have against
third  parties  in  connection  with  the  Purchased  Assets  or  the  Assumed
Liabilities;  and  (xiii) the  business  and  operations  of Seller as a going
concern;  and  excluding  only the assets  listed in Section 2.1.1 as Excluded
Assets. Seller shall convey to Buyer all of Seller's right, title and interest
in and to the Purchased Assets, subject to all liabilities, obligations, liens
and  encumbrances  related  thereto,  excepting only the Excluded  Liabilities
described in Section 2.3. The  conveyance  shall be made pursuant to a bill of
sale,  substantially  in the form of Exhibit 2.1 attached hereto (the "Bill of
Sale") and any other  instruments  of conveyance  to be delivered  pursuant to
this Agreement.

          2.1.1. Excluded Assets.  Notwithstanding  the foregoing and  without
     limitation,  the Purchased  Assets shall not include any of the following
     ("Excluded Assets"):

               (a) The assets listed in Exhibit 2.1.1;

               (b) Seller's  corporate seals,  certificates of  incorporation,
     minute books,  stock books,  stock  certificates,  tax returns,  books of
     account  or  other  records   having  to  do  with   Seller's   corporate
     organization;

               (c) Any  rights of Seller  under  this  Agreement  or under any
     other  agreement  between  Seller  on the one hand and Buyer on the other
     hand entered into on or after the date of this Agreement; and

                                       6

<PAGE>

               (d) Any  tangible  assets of the Seller  that are not listed on
     the Exhibits to this Agreement or are not otherwise expressly included in
     the Purchased Assets.

     2.2. Purchase Price, Purchase Price Adjustments, Delivery of Certificates
and Post-Closing Matters.

          (a) The purchase price to be paid by Buyer for the Purchased Assets,
     in addition to any Assumed Liabilities,  shall be 125,000 shares of Buyer
     Common Stock (the "Purchase  Price"),  but may be reduced to no less than
     an  aggregate  of 100,000  shares of Buyer  Common  Stock as described in
     Section 2.2(b).

     At Closing,  Buyer shall deliver certificates for 100,000 shares of Buyer
     Common Stock to Seller,  registered in the names of the  Shareholders and
     in the amounts  provided on attached  Exhibit  2.2(a).  In  addition,  at
     Closing  Buyer  shall  deliver   certificates   for  25,000  shares  (the
     "Additional  Shares") of Buyer Common Stock to  Freedman,  Levy,  Kroll &
     Simonds ("Escrow  Agent") to be deposited and held in escrow,  subject to
     the Purchase Price Adjustments and the terms and conditions  described in
     subsections (b) and (c) below.

          (b) Purchase Price Decreases.  The Purchase Price shall be decreased
     in the following amounts and in the following events;  provided,  however
     that the  aggregate  expected  value  of  $1,425,000  represented  by the
     following three items may be satisfied by an aggregate actual value of at
     least $1,425,000 from any one or more of such three items:

               (i) The  Purchase  Price shall be  decreased by 5,000 shares of
     Buyer Common Stock unless,  on or before December 31, 1995,  there exists
     Documentation  of New Business  with ADOBE  Systems Inc.  ("ADOBE")  with
     respect  to a minimum  of  $125,000  of  funding  by ADOBE and  others to
     develop  "The  Virtual  File  Cabinet"  product as  described  in Exhibit
     2.2(b)(ii), and which Documentation of New Business, if it is with Seller
     and  not  Buyer  or one  of  Buyer's  Affiliates,  shall  be  immediately
     transferred  to Buyer prior to December  31,  1995  without any  material
     change.

               (ii) The Purchase  Price shall be decreased by 15,000 shares of
     Buyer Common Stock unless,  on or before December 31, 1995,  there exists
     Documentation  of New  Business  with the  Westinghouse  Hanford  Company
     ("Westinghouse"),  with respect to a minimum value  (measured in terms of
     gross dollars to be paid by Westinghouse to Seller, Buyer or an Affiliate
     of Buyer) of $1,100,000.00,  and which Documentation of New Business,  if
     it is with  Seller and not Buyer or one of Buyer's  Affiliates,  shall be
     immediately  transferred  to Buyer prior to December 31, 1995 without any
     material change.

                                       7

<PAGE>

               (iii) The Purchase  Price shall be decreased by 5,000 shares of
     Buyer Common Stock unless,  on or before December 31, 1995,  there exists
     Documentation  of New  Business  with  Nabisco,  Inc.  ("Nabisco"),  with
     respect to a minimum value (measured in terms of gross dollars to be paid
     by Nabisco to Seller,  Buyer or an Affiliate of Buyer) of an aggregate of
     $200,000.00,  and  which  Documentation  of New  Business,  if it is with
     Seller and not Buyer or one of Buyer's  Affiliates,  shall be immediately
     transferred  to Buyer prior to December  31,  1995  without any  material
     change.

          (c) Escrow of Additional  Shares. As security for the payment of the
     Purchase Price (as adjusted pursuant to Section 2.2(b) above),  Buyer, at
     the Closing,  shall deposit in escrow with the Escrow Agent  certificates
     for the Additional  Shares issued in the names of the Shareholders in the
     amounts specified on attached Exhibit 2.2(a),  together with stock powers
     endorsed in blank,  and Escrow Agent shall agree to hold the certificates
     for the  Additional  Shares  pursuant to the terms and conditions of this
     Section  2.2(c)  and the  Escrow  Agreement  attached  hereto as  Exhibit
     2.2(c). On or prior to the Post-Closing  Date, the Seller and Buyer shall
     from time to time jointly  instruct the Escrow Agent to deliver,  and the
     Escrow  Agent  shall  deliver,  certificates  for all or a portion of the
     Additional  Shares in accordance  with their joint  instructions.  In the
     event the  aggregate  joint  instructions  issued  hereunder by Buyer and
     Seller direct the Escrow Agent to deliver  certificates for less than the
     entire amount of the  Additional  Shares,  the Escrow Agent shall deliver
     certificates  to the  Shareholders  for such amount and in such manner as
     shall be directed in the joint  instructions,  which  instructions  shall
     reflect the Purchase Price described in Section 2.2(a) above, as adjusted
     pursuant to Section 2.2(b) above.  In such event,  the Escrow Agent shall
     return to Buyer any certificates for Additional Shares that have not been
     delivered to the Shareholders pursuant to the joint instructions,  or, in
     the  event  of  a  dispute  among  the  parties   regarding   such  joint
     instructions as to the undelivered  Additional  Shares,  the Escrow Agent
     shall  deliver any and all  undelivered  Additional  Shares to a court of
     competent jurisdiction and thereafter the Escrow Agent shall be fully and
     completely  relieved  from any further  duties or  responsibilities  with
     respect to the Additional  Shares.  The Escrow Agent shall not dispose of
     the  Additional  Shares other than as provided in this Section  2.2(c) or
     the Escrow Agreement.

          (d) Post-Closing.  Any  delivery of certificates  for the Additional
     Shares required to be made by the Escrow Agent pursuant to Section 2.2(c)
     hereof shall be made at the offices of Freedman, Levy, Kroll & Simonds at
     10:00 a.m.  (EST),  on January 5, 1996, or on such other date and time as
     Buyer  and  Seller  shall  agree in  writing  (the  date and time of such
     post-closing  hereunder  being  referred  to herein as the  "Post-Closing
     Date").

          (e) Apportionments.  (i) Any   transfer  taxes  and any sales or use
     taxes arising from the  transactions  contemplated  herein shall be borne
     and paid by Buyer.

                                       8

<PAGE>

     Real  property  taxes,  utility  charges,   rents,  income  from  leases,
     licenses,   permits,   agreements,  and  privileges,  if  any,  shall  be
     apportioned between the parties as of the Closing Date, regardless of the
     date assessed,  paid or payable, except to the extent that any such items
     are included as Assumed Liabilities.

               (ii) At Closing,  Buyer  shall sign,  and deliver to Seller for
     mailing,  a joint letter in the form attached  hereto as Exhibit  2.2(e),
     requesting all persons as identified in said letter  providing  electric,
     gas, water, telephone or other utility services to all premises leased or
     occupied by Seller,  to transfer  such  services and billing  therefor to
     Buyer, effective at Closing, and to issue a final bill to Seller for such
     utility  service  rendered up to and including  the Closing  Date.  Buyer
     shall refund to Seller any payments previously made by Seller for utility
     services furnished or to be furnished after Closing.

               (iii) All  recording  costs and filing fees required to be paid
     with respect to documents under this Agreement, and the cost of a survey,
     if one is required, shall be the sole responsibility of Buyer.

     2.3. Assumed Liabilities of Seller. Buyer hereby undertakes,  assumes and
agrees,  subject to the  limitations  contained  herein,  to  perform,  pay or
discharge all of Seller's  debts,  liabilities and obligations up to a maximum
of $515,000 plus any professional fees relating to the transactions underlying
this   Agreement,   other  than  the  Excluded   Liabilities   (the   "Assumed
Liabilities"),  pursuant to an assumption  agreement which Buyer shall execute
and  deliver to Seller at the  Closing  (the  "Assumption  Agreement"),  which
Assumption  Agreement  shall  be  substantially  in the  form of  Exhibit  2.3
attached hereto.  Notwithstanding  anything to the contrary contained above or
elsewhere in this Agreement, the debts, liabilities and obligations assumed by
Buyer  hereunder  shall not include any of the  following,  without  regard to
whether they arose before or after the Closing (the "Excluded Liabilities"):

          (a) All  debts,  obligations  and  liabilities   of  Seller  to  its
     Affiliates,  including without  limitation,  accounts payable and accrued
     expenses,  other  than  those  arising  out of  goods  sold  or  services
     performed  in the ordinary  course of business  which are included on the
     Financial Statements or Exhibit 2.3;

          (b) Any  liability  or  obligation  of the  Shareholders  arising or
     incurred in connection with the negotiation, preparation and execution of
     this Agreement and the transactions  contemplated hereby,  including fees
     and expenses of legal counsel, accountants and other experts;

          (c) Debts, liabilities or obligations of Seller of any nature to any
     past or  present  shareholder  of  Seller,  except  as set  forth  in the
     Financial Statements or the Assumption Agreement in Exhibit 2.3;

                                       9

<PAGE>

          (d) Any liability or obligation in respect of the Excluded Assets;

          (e) Any obligations or liabilities  related to employee claims under
     worker's  compensation  laws arising from service or employment  prior to
     Closing;

          (f) Any  discrimination  or other claims by employees against Seller
     not fully  reflected,  reserved  against or accrued for on the  Financial
     Statements;

          (g) Any liabilities  arising from any breach of contract,  breach of
     warranty,  tort,  infringement  or  violation of laws with respect to any
     time period prior to Closing;

          (h) Any suits, actions or claims for salaries,  wages,  vacation pay
     or benefits  due or accrued  owing to any  present or former  employee of
     Seller,  except only with  regard to such items that are  included in the
     Financial Statements or the Assumed Liabilities;

          (i) Any obligations to indemnify any officer, director,  employee or
     agent of the Seller;

          (j) Any  liability or  obligation  which is not otherwise a specific
     Assumed Liability;

          (k) Any other suits,  actions or claims against  Seller,  whether or
     not filed  against or known to Seller,  and any losses,  costs or damages
     based upon or arising out of such suits,  actions or claims  which relate
     to any time period prior to Closing; or

          (l) Any  obligations  or  liabilities  of Seller or its  Affiliates,
     including but not limited to the Shareholders, of any nature with respect
     to  the  provision  of  services  or  products  to,  or  the  receipt  of
     remuneration  from,  any  Person in Russia or any other  foreign  country
     which was formerly a part of the Union of Soviet Socialist Republics.

     Seller  agrees to satisfy all debts,  liabilities  and  obligations  with
respect to all Excluded  Liabilities  set forth in this  Section 2.3,  whether
known at  Closing  or  thereafter  determined,  as and when due and Seller and
Shareholders shall indemnify and hold Buyer harmless therefor, as set forth in
Article X herein.

     2.4 Delivery of Purchased Assets and Novation or Assignment of Contracts.
Prior to Closing, or as soon thereafter as practicably possible,  Seller shall
use its best efforts to obtain the novation or  assignment to the Buyer of the
Contracts and deliver to the Buyer such  additional  instrument or instruments
of  transfer as shall,  in the opinion of Buyer's  counsel,  be  necessary  or
appropriate to vest in the Buyer good and marketable title to the

                                      10

<PAGE>

Purchased  Assets.  Prior to the novations or  assignments  of the  Contracts,
Buyer and Seller  agree  that  Buyer  shall  assume  the  Seller's  rights and
obligations under the Contracts. In furtherance of the foregoing,  the parties
hereby agree as follows:

          (a) Seller  shall  further  signify its  consent to the  novation or
     assignment  of the  Contracts to the Buyer by the  Seller's  execution of
     Novation/Assignment  Agreements among Seller, Buyer and any other parties
     to the Contracts (the "Novation/Assignment  Agreements") in substantially
     the form  attached  hereto as Exhibit  2.4(a) with respect to  commercial
     contracts,   and  in  a  form  complying  with  the  Federal  Acquisition
     Regulations (48 CFR 1204) as to federal government contracts;

          (b) Buyer  shall   execute  and   deliver  the   Novation/Assignment
     Agreements  and all supporting  documentation  to Seller and Seller shall
     deliver  the  Novation/Assignment  Agreements  as  executed by Seller and
     Buyer and all supporting  documentation  to the  appropriate  parties for
     their review and approval;

          (c) The  beneficial  interest of Seller in and to the  Contracts and
     all  related  rights and assets  shall  pass on the  Closing  Date to the
     Buyer;

          (d) From on and after Closing, Seller shall hold and declare that it
     holds the  Contracts  and all related  rights and assets in trust for the
     benefit of the Buyer, its successors and assigns;

          (e) Seller  shall  promptly   forward  to  Buyer  any  payments  and
     consideration,  unconditionally  endorsed to Buyer, which Seller receives
     from the Contracts after the Closing Date;

          (f) Seller shall use all reasonable efforts to obtain and secure any
     and all consents  and  approvals  that are  necessary to effect the valid
     sale, transfer and assignment of the Contracts and all related rights and
     assets  to the Buyer  without  change  in any of the  material  terms and
     conditions thereof; and

          (g) Seller shall  cooperate  with the Buyer in any other  reasonable
     arrangement  designed to provide  the Buyer with the  benefits of each of
     the Contracts and all related rights and assets.

     2.5. Closing.  The  closing  of the sale and  purchase  of the  Purchased
Assets (the "Closing") will take place at the offices of Freedman, Levy, Kroll
& Simonds,  Washington,  D.C., at 10:00 A.M.  (EST) on October 11, 1995, or at
such other place,  time and date as the parties may agree upon in writing (the
"Closing Date").

                                      11

<PAGE>

     2.6. Procedures for Certain Excluded Assets and Excluded Liabilities.

          2.6.1. Certain Excluded Assets.  If any of the Purchased  Assets are
     ultimately  determined  by  Buyer  to be  Excluded  Assets,  Buyer  shall
     transfer and convey (without further consideration) to Seller, and Seller
     shall accept,  such  Purchased  Assets that are determined by Buyer to be
     Excluded  Assets and Buyer and Seller  shall  execute  such  documents or
     instruments of conveyance and take such further acts which are reasonably
     necessary or desirable to effect the transfer of such Excluded  Assets to
     Seller.  Buyer shall appropriately label such assets which are determined
     to be Excluded  Assets,  to segregate  such Excluded  Assets from Buyer's
     other assets and to move (at the Seller's  expense) such Excluded  Assets
     to a place designated by the Seller.

          2.6.2. Certain   Excluded   Liabilities.   If  any  of  the  Assumed
     Liabilities are ultimately  reasonably determined by Buyer to be Excluded
     Liabilities,  Seller shall assume, and agree to pay, perform, fulfill and
     discharge  (without  further  consideration),   such  previously  Assumed
     Liabilities  that are determined by Buyer to be Excluded  Liabilities and
     Buyer  and  Seller  shall  execute  such   documents  or  instruments  of
     assumption and take such further acts which are  reasonably  necessary or
     desirable to effect the transfer of such Excluded Liabilities to Seller.


                                  ARTICLE III

                        REPRESENTATIONS AND WARRANTIES

     3.1. Representations and Warranties of Seller.  Seller hereby  represents
and warrants to Buyer as follows:

          3.1.1. Corporate    Existence.   Seller   is  a   corporation   duly
     incorporated, validly existing and in good standing under the laws of the
     State of Maryland and has full  corporate  power and  authority to own or
     lease its  assets  and  properties  and to carry on its  business  as now
     conducted.  Seller has delivered to Buyer true and complete copies of its
     Certificate  of  Incorporation  and By-laws of Seller as amended to date.
     Seller is duly  qualified  to do business and (where the concept of "good
     standing" is applicable) in good standing as a foreign corporation in the
     States in which such  qualification  is  materially  required by Seller's
     business,  which States are set forth on Exhibit  3.1.1.  Seller does not
     presently own, directly or indirectly,  any shares of capital stock of or
     other equity interest in any corporation, partnership or other entity.

          3.1.2. Authorization.  Seller has full corporate power and authority
     to enter into and perform its  obligations  under this  Agreement  and to
     consummate the transactions contemplated herein. The execution,  delivery
     and performance of this

                                      12

<PAGE>

     Agreement by Seller and the consummation of the transactions contemplated
     herein have been duly authorized by all requisite  corporate action. This
     Agreement  is  the  legal,   valid  and  binding   obligation  of  Seller
     enforceable in accordance with its terms, except as enforceability may be
     limited by equitable principles or by bankruptcy,  fraudulent conveyance,
     insolvency or similar laws affecting creditors' rights generally.

          3.1.3. No Violation  Caused by this  Agreement.  Except as otherwise
     set forth in Exhibit 3.1.3,  the execution,  delivery and  performance of
     this  Agreement and the  consummation  of the  transactions  contemplated
     hereby  will  not  violate  (i)  any  provision  of  the  Certificate  of
     Incorporation  or  By-laws  of the  Seller;  (ii) any  contract  or other
     agreement  to which the Seller is a party or by or to which the Seller or
     any of its assets or properties may be bound or subject; (iii) any order,
     judgment,  injunction,  award  or  decree  of any  court,  arbitrator  or
     governmental or regulatory  body against,  or binding upon, the Seller or
     upon the securities,  assets,  properties or business of the Seller; (iv)
     any statute,  law or regulation of any jurisdiction as such statute,  law
     or  regulation  relates  to  the  Seller  or to the  securities,  assets,
     properties or business of the Seller; or (v) any Permits.

          3.1.4. Bank   Accounts.  Exhibit  3.1.4  sets  forth  the  names and
     locations of each bank or other broker or financial  institution at which
     the Seller has an account  (giving the account  numbers) or safe  deposit
     box and the  names of all  Persons  authorized  to draw  thereon  or have
     access thereto,  and the names of all Persons, if any, now holding powers
     of attorney or comparable  delegation of authority  from the Seller and a
     summary statement thereof. All such accounts are maintained by Seller for
     normal business purposes.

          3.1.5. Actions  or  Proceedings.  There are no  outstanding  orders,
     judgments,  injunctions,  awards or decrees of any court, governmental or
     regulatory body or arbitration  tribunal against or involving the Seller;
     and, there are no actions,  suits or claims or legal,  administrative  or
     arbitral  proceedings or, to the knowledge of the Seller,  investigations
     (whether or not the defense thereof or liabilities in respect thereof are
     covered by insurance) pending or, to the knowledge of Seller,  threatened
     against or involving the Seller or any of its properties or assets, that,
     individually  or in the aggregate,  could have a material  adverse effect
     upon the transactions contemplated hereby or upon the assets, properties,
     business,  operations,  or  condition  (financial  or  otherwise)  of the
     Seller, except for matters set forth in Exhibit 3.1.5 hereto.

          3.1.6. Compliance  with Laws. To the  knowledge of the Seller,  the
     Seller  is not  in  violation  of (i)  any  applicable  order,  judgment,
     injunction, award or decree, or (ii) any federal, state, local or foreign
     law, ordinance or regulation or any other requirement of any Governmental
     Authority applicable to the business of the Seller,  except to the extent
     that  non-compliance does not and will not have a material adverse effect
     upon the assets, properties, business or operations of the Seller. The

                                      13

<PAGE>

     Seller has all  licenses,  permits,  orders or  approvals of any federal,
     state,  local or foreign  governmental or regulatory body  (collectively,
     "Permits")  as  described  in Exhibit  3.1.6,  that are  material  to the
     conduct of the  business of the Seller and such Permits are in full force
     and  effect.  No other  federal,  state,  local,  and  foreign  licenses,
     certificates,  permits, franchises and rights are currently necessary for
     the lawful operation of Seller's  business,  except for those the absence
     of which would not have a material adverse effect on Seller's business.

          3.1.7. Tax Matters. Except to the extent set forth on Exhibit 3.1.7,
     the Seller has timely filed and paid all federal,  state, county,  local,
     foreign and other taxes,  including,  without  limitation,  income taxes,
     estimated taxes,  excise taxes, sales taxes, use taxes,  franchise taxes,
     employment and payroll  related  taxes,  property taxes and import duties
     (hereinafter,  "Taxes" or, individually, a "Tax"), required to be paid by
     it through the Closing Date, and all  deficiencies  or other additions to
     Tax,  interest  and  penalties  owed by it, in  connection  with any such
     Taxes.  Seller  shall  pay  any Tax  related  to or  arising  out of this
     transaction required by law to be paid by Seller.

          3.1.8. Brokers;   Finders.  Seller  has not  retained  any broker or
     finder in connection with the transactions  contemplated  herein so as to
     give rise to any valid claim against Seller or Buyer for any brokerage or
     finder's commission, fee or similar compensation.

          3.1.9. Financial Statements. Seller has delivered to Buyer copies of
     the Financial  Statements.  The Financial  Statements  present fairly the
     financial  position  of  Seller  with  respect  to,  and the  assets  and
     liabilities  of, the Seller and the results of the  operation of Seller's
     business and changes in  financial  position of the Seller as of December
     31,  1994,  and  for  the 12  months  then  ended,  and  the  assets  and
     liabilities  of the  Seller  as of March  31,  1995  and for  each  month
     thereafter until the Closing Date, in conformity with GAAP,  consistently
     applied during the period. The Financial Statements,  including the notes
     thereto,  make full and adequate  disclosure  of, and provision  for, all
     material  obligations and liabilities of Seller 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 could  materially and adversely affect any of
     the Purchased  Assets or the rights of Seller therein or thereto,  to the
     extent required by GAAP to be included in such balance sheet.

          3.1.10. Operations  of Seller. Except as set forth in Exhibit 3.1.10
     hereto, the Seller has not since March 31, 1995:

               (i) amended  its  Certificate  of  Incorporation  or By-laws or
     merged with or into or consolidated with any other person,  subdivided or
     in any way

                                      14

<PAGE>

     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;

               (ii) 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;

               (iii) waived any right of material value to its business;

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

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

               (vi) 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 the Purchased
     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 the  Purchased
     Assets or its other properties are bound or subject, or pursuant to which
     it agrees to indemnify  any party or to refrain from  competing  with any
     party;

               (vii) 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;

               (viii) 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;

               (ix) suffered  or  incurred  any  damage,  destruction  or loss
     (whether or not covered by insurance)  materially adversely affecting its
     assets,  properties,  business,  operations  or condition  (financial  or
     otherwise);

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

               (xi) been  advised or  otherwise  become  aware that any of its
     existing Contracts for the performance of services is to be terminated or
     substantially  modified  other  than in  accordance  with its terms or as
     reflected in Exhibit 3.1.10.

                                      15

<PAGE>

          3.1.11. Title to and  Condition of Purchased  Assets. On the date of
     this Agreement and on the Closing Date, Seller has and will have good and
     marketable  title to, is and will be the owner of,  and has and will have
     the right to sell,  convey,  transfer,  assign and deliver the  Purchased
     Assets free and clear of any mortgage,  lien, pledge,  security interest,
     option, lease (or sublease), conditional sales agreement, title retention
     agreement, charge, claim, encumbrance,  easement or encroachment,  except
     as disclosed on Exhibit  3.1.11 hereto.  Except as otherwise  provided in
     Section 8.3 hereof with respect to certain specified  insurance  policies
     and  equipment  leases of Seller,  at and as of the Closing,  Seller will
     convey the Purchased Assets to Buyer by deeds, bill of sale, certificates
     of title and instruments of assignment and transfer  effective to vest in
     Buyer, and Buyer will have, good and valid record and marketable title to
     all of the Purchased  Assets,  free and clear of all  encumbrances  other
     than those listed in Exhibit 3.1.11.

          3.1.12. Real Property Leases; No Other Real Property. Exhibit 3.1.12
     hereto lists all leases  pursuant to which Seller holds any real property
     used in  connection  with its  business.  Except as  disclosed on Exhibit
     3.1.12, all real property leases are in full force and effect,  Seller is
     current in its  obligations  thereunder,  and Seller has not received any
     notice  of  default  thereunder,  nor is  Seller  aware  of any  facts or
     circumstances which may give rise to any default thereunder.  Seller does
     not have  interest  in any real  property  not listed on Exhibit  3.1.12.
     Seller  is not a party  to any  contract  obligating  it to  purchase  or
     acquire any interest in real property.

          3.1.13. Equipment.  Exhibit  3.1.13  hereto sets forth a complete and
     accurate list of all of the  equipment,  if any,  acquired by Seller from
     the date hereof through the Closing Date.  Except as disclosed on Exhibit
     3.1.13, all personal property leases are in full force and effect, Seller
     is current in its obligations  thereunder and Seller has not received any
     notice  of  default  hereunder,  nor is  Seller  aware  of any  facts  or
     circumstances  which may give rise to a default  thereunder.  Seller does
     not have an interest in any equipment other than the equipment  listed on
     Exhibit 3.1.13 nor is Seller  obligated to purchase,  acquire,  lease any
     other equipment. Seller has delivered to Buyer true, correct and complete
     copies of all personal property leases.

          3.1.14. Intellectual Property.

               (a) Exhibit  3.1.14 is an accurate and complete  list of all of
     Seller's  Intellectual  Property,  and reflects the Seller's Intellectual
     Property that has been duly and properly  registered in any jurisdiction.
     Except as otherwise  specified in Exhibit  3.1.14,  Seller owns,  has the
     right to use,  sell,  license,  dispose of, and to bring  actions for the
     misappropriation of Seller's Intellectual Property,  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. There
     is no pending or threatened claim  contesting the validity,  ownership or
     right to use, sell, license, dispose of, or to

                                      16

<PAGE>

     bring actions for the misappropriation of, Seller's Intellectual Property
     or any other Intellectual Property.

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

               (c) To the  knowledge  of Seller,  Seller has not  infringed or
     otherwise violated, and is not infringing on or otherwise violating,  any
     intellectual  property  rights of  others,  and the use by Buyer from and
     after Closing of Seller's  Intellectual  Property will not infringe on or
     otherwise violate the Intellectual  Property rights of others;  provided,
     however,  that such  representation  and  warranty  shall  apply  only to
     Seller's  Intellectual  Property  delivered on the Closing Date and shall
     not apply to any use of Seller's  Intellectual Property after the Closing
     Date if Seller's  Intellectual Property is altered in any way and/or used
     in  conjunction  with any other  product or process.  To the knowledge of
     Seller, no Person has infringed on or otherwise  violated any of Seller's
     Intellectual Property.

               (d) Except as otherwise specified in Exhibit 3.1.14,  there are
     no Contracts  pursuant to which Seller has  authorized any Person to use,
     sell, license, dispose of or otherwise have access to any of the Seller's
     Intellectual  Property;  there  are no  Contracts  pursuant  to which any
     Person  has  authorized  Seller  to use,  sell,  license,  dispose  of or
     otherwise have access to any Seller's  Intellectual  Property;  and there
     are no royalties,  fees or other payments payable by Seller to any Person
     by reason of the  ownership,  use,  license,  sale, or disposition of the
     Seller's Intellectual Property.

          3.1.15. Contracts.   Exhibit   3.1.15   lists   all   Contracts  and
     arrangements  to which the Seller is a party or by which it is bound,  or
     to which any of its assets or properties is subject.  Except as otherwise
     specified in Exhibit 3.1.15,  Seller is not in breach or in default under
     any  Contract  and no event has occurred or will occur as a result of the
     transfer and assignment of the Contracts by Seller to Buyer at Closing or
     as promptly  thereafter as practicable,  which, with the giving of notice
     or the lapse of time, or both,  would  constitute any default of any such
     persons under any Contract.

          3.1.16. Benefit   Plans.  The Seller  does not  sponsor or offer any
     "employee  welfare  benefit plan" or "employee  pension benefit plan" (as
     those terms are respectively  defined in Sections 3(1) and 3(2) of ERISA)
     for its employees,  nor does any person participate nor reasonably expect
     to participate in any such plan, in either case, on account of his or her
     employment with Seller,  other than those plans listed on Exhibit 3.1.16.
     Seller  does not  maintain  any  "employee  benefit  plan" (as defined in
     Section 3(3) of ERISA),  except as listed on Exhibit  3.1.16.  There have
     been no amendments to any of the employee pension benefit plans, employee
     welfare benefit

                                      17

<PAGE>

     plans or  fringe  benefit  arrangements  (collectively  "Benefit  Plans")
     listed on Exhibit  3.1.16 since  September 1, 1995.  All Benefit Plans on
     Exhibit  3.1.16 comply in form and in operation in all material  respects
     with  all  applicable  requirements  of law  and  regulation;  except  as
     specifically  noted on Exhibit 3.1.16. A true and correct copy of each of
     the  Benefit  Plans  listed  on  Exhibit  3.1.16 as in effect on the date
     hereof  and  each  trust  agreement   relating  to  each  such  plan  and
     arrangement,  has been supplied to Buyer. In the case of any Benefit Plan
     which is not in written  form,  Buyer has been  supplied with an accurate
     description  of such plan as in effect on the  Closing  Date.  Seller has
     incurred  no  liability  or  contingent  liability  with  respect to such
     Benefit Plans, except as disclosed on Exhibit 3.1.16.

          3.1.17. No  Defaults or  Violations.  Except as set forth on Exhibit
     3.1.17,  (a) Seller has not materially  breached any provision of, nor is
     it  in  material  default  under  the  terms  of,  any  lease,  contract,
     commitment,  agreement,  mortgage,  lien, instrument,  plan or license to
     which it is a party or under  which it has any  rights  or by which it is
     bound  and  which  relates  to the  Seller's  business,  and to  Seller's
     knowledge,  no  other  party  to any such  lease,  contract,  commitment,
     agreement,  mortgage,  lien,  instrument,  plan or  license is in default
     thereunder  in any  material  respect,  (b) Seller is not in any material
     violation or default of any law, governmental regulation or rule or order
     of any Governmental Authority that is applicable in any way to the Seller
     or the operation of its business.

          3.1.18. Environmental Compliance.

               (i) All real  property  leased by Seller has never been used by
     Seller or, to  Seller's  knowledge,  by any other  person,  to  generate,
     manufacture,  refine,  transport,  treat, store, handle or dispose of any
     Hazardous Substances.

               (ii) To Seller's knowledge,  all real property leased by Seller
     is in compliance with all Environmental Laws.

               (iii) To Seller's knowledge, all real property leased by Seller
     does not contain any Hazardous Substances.

               (iv) To Seller's  knowledge,  no tanks now or formerly used for
     the  storage of any liquid or gas above or below  ground,  are present or
     were at any time present on or at any real property leased by Seller.

               (v) Seller has not received a citation,  directive,  letter, or
     other  communication,  written or oral,  from any person or  governmental
     authority concerning the presence of any Hazardous Substances on any real
     property owned or leased by Seller.

                                      18

<PAGE>

               (vi) Seller has no knowledge of or  information  regarding  the
     presence  of any  Hazardous  Substances  at  adjacent  properties,  which
     Hazardous  Substances  could  migrate  to,  through,  or  under  any real
     property leased by Seller.

               (vii) Seller has  obtained  all  material  licenses and permits
     required by all material Environmental Laws.

               (viii) Seller has not received any notice of any  violation of
     or  potential  or actual  liability  under any  Environmental  Laws at or
     concerning any real property leased by Seller.

               (ix) No action has been  commenced  or, to Seller's  knowledge,
     threatened  regarding  Seller's  compliance  with or liability  under any
     Environmental Laws at or concerning any real property leased by Seller.

          3.1.19. Inventory.  The  Purchased  Assets do not include  inventory
     subject to the  Virginia or  Maryland  Commercial  Code - Bulk  Transfers
     provisions.

          3.1.20. Insurance.  Exhibit 3.1.20 contains 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 Seller,  and
     Seller has heretofore  delivered to Buyer a true and complete copy of all
     such  policies,  including all  occurrence-based  policies  applicable to
     Seller  for all  periods  prior  to the  Closing  Date.  To the  Seller's
     knowledge,  there are no pending  claims of the Seller  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  the  Seller,  including  the
     Purchased Assets,  are insured for the Seller's  benefit,  in amounts and
     coverages deemed adequate by the Seller'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.

          3.1.21. Accounts Receivable.  All accounts receivable of Seller have
     arisen out of bona fide  transactions in the ordinary course of business,
     and  each  such  account  receivable  constitutes  a  valid  and  binding
     obligation of the obligor, maker, comaker, guarantor,  endorser or debtor
     thereof or  thereunder  and,  except as  otherwise  specified  in Exhibit
     3.1.21,  is  collectible in full within 60 days in at least the amount at
     which they are carried on the books of Seller.

          3.1.22. Capital Improvements and Expenditures.  Exhibit 3.1.22 lists
     all  of  the  capital   improvements   or  purchases  or  other   capital
     expenditures  (as determined in accordance  with GAAP),  which Seller has
     committed to or contracted for which have not been completed prior to the
     date hereof and the cost and expense

                                      19

<PAGE>

     reasonably estimated to complete such work and purchases.  Seller has not
     contracted for or committed to any such work or purchases  after the date
     hereof.

          3.1.23. Assets Sufficient for Conduct of Business. In the opinion of
     Seller's  management,   the  Purchased  Assets  and  Assumed  Liabilities
     constitute  substantially  all of the assets and properties  required for
     the  operation  of the Seller's  business as it is presently  operated by
     Seller in all material respects.

          3.1.24. Accuracy  of  Statements.  Neither  this  Agreement  nor any
     statement,  list,  certificate  or other  information  furnished or to be
     furnished  by or on behalf of  Seller  to Buyer in  connection  with this
     Agreement or any of the transactions contemplated hereby contains or will
     contain any untrue  statement of a material fact  regarding  Seller,  the
     Purchased Assets, the Assumed  Liabilities or the Seller's  business,  or
     omits  or will  omit to  state a  material  fact  necessary  to make  the
     statements   regarding  Seller,   the  Purchased   Assets,   the  Assumed
     Liabilities  or the Seller's  business  contained  herein or therein,  in
     light of the circumstances in which they are made, not misleading.

          3.1.25. No  Other  Agreement.  Other than for sales of assets in the
     ordinary course of business, neither Seller nor any of its Affiliates has
     any contract, agreement, arrangement or understanding with respect to the
     sale or  other  disposition  of any of  Seller's  assets  (including  the
     Purchased  Assets) or capital stock of Seller except as set forth in this
     Agreement.

          3.1.26. Continuity of Business Enterprise.  Seller operates at least
     one historic line of business,  or owns at least a significant portion of
     its  business  assets,  in each case  within the  meaning of Treas.  Reg.
     ss.1.368-1(d).

          3.1.27. Improper  and  Other  Payments.  To  the  best  of  Seller's
     knowledge, except as set forth on Exhibit 3.1.27, none of the Seller, any
     director,  officer,  employee, agent or representative of the Seller, 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 Foreign Corrupt Practices
     Act).

          3.1.28. Officers,  Directors,  Key   Employees  and Others.  Exhibit
     3.1.28  hereto  sets  forth (a) the name and total  compensation  of each
     officer  and  director  of  the  Seller  and  of  each  other   employee,
     consultant,  agent  or other  representative  of the  Seller  to whom the
     Seller currently makes compensation or consulting  payments,  and (b) any
     contract,  commitment or other  agreement  with respect to any officer or
     employee dealing with compensation, benefits or any other aspect of their
     relationship with the Seller.

                                      20

<PAGE>

          3.1.29. No Labor Unions; Employee Relations.

               (a) The Seller is not a party to any agreement or understanding
     with any labor union or organized labor group.

               (b) The  Seller  has not at any time  during  the  last  twelve
     months immediately  preceding the date of this Agreement had, nor, to the
     knowledge  of the  Seller,  is  there  now  threatened,  a  strike,  work
     stoppage,  work  slowdown,  or other labor trouble that had or may have a
     material adverse effect on the assets, properties,  business,  operations
     or condition  (financial or otherwise) of the Seller.  The Seller has not
     made a  commitment  or  agreement  to increase the wages or to modify the
     conditions  or terms of  employment  of any of its  employees,  except as
     listed on Exhibit  3.1.29(a)  hereto.  There are no outstanding  loans or
     other advances from the Seller to any officer, director or shareholder of
     the Seller,  other than the debts  included in the March 31, 1995 balance
     sheet,  which is part of the  Financial  Statements,  as  adjusted to the
     Closing  Date,  which  adjustments  and other debts are  reflected in the
     attached Financial Statements.

     3.2. Representations  and  Warranties of Buyer.  The Buyer represents and
warrants to the Seller as follows:

          3.2.1. Corporate   Existence.   Buyer   is   a   corporation    duly
     incorporated, validly existing and in good standing under the laws of the
     State of Virginia,  and has full corporate  power and authority to own or
     lease its  assets  and  properties  and to carry on its  business  as now
     conducted.  Buyer has  delivered  to Seller true and  complete  copies of
     Buyer's  Certificate  of  Incorporation  and  By-laws as amended to date.
     Buyer is duly  qualified  to do business  and (where the concept of "good
     standing" is applicable) in good standing as a foreign corporation in the
     States set forth on Exhibit 3.2.1.

          3.2.2. Authorization.  Buyer has full corporate power  and authority
     to enter into and perform its  obligations  under this  Agreement  and to
     consummate the transactions contemplated herein. The execution,  delivery
     and  performance of this Agreement by Buyer and the  consummation  of the
     transactions  contemplated  herein have been  authorized by all requisite
     corporate  action.  This  Agreement  is  the  legal,  valid  and  binding
     obligation of Buyer  enforceable in accordance with its terms,  except as
     enforceability  may be limited by equitable  principles or by bankruptcy,
     fraudulent  conveyance,  insolvency or similar laws affecting  creditors'
     rights generally.

          3.2.3. No Violation. The execution, delivery and performance of this
     Agreement by Buyer and the consummation of the transactions  contemplated
     hereby  will  not  violate  (i)  any  provision  of  the  Certificate  of
     Incorporation  or  By-laws  of the  Seller;  (ii) any  contract  or other
     agreement  to which the Seller is a party or by or to which the Seller or
     any of its assets or properties may be bound or subject; (iii) any

                                      21

<PAGE>

     order, judgment,  injunction, award or decree of any court, arbitrator or
     governmental or regulatory  body against,  or binding upon, the Seller or
     upon the securities,  assets,  properties or business of the Seller; (iv)
     any statute,  law or regulation of any jurisdiction as such statute,  law
     or  regulation  relates  to  the  Seller  or to the  securities,  assets,
     properties or business of the Seller;  or (v) any Permits.  Except as set
     forth on Exhibit 3.2.3, no consent is required to be obtained by Buyer in
     connection  with the execution and delivery of this Agreement by Buyer or
     the consummation of the transactions contemplated herein.

          3.2.4. Compliance  with  Laws.  To the  knowledge of the Buyer,  the
     Buyer  is not  in  violation  of  (i)  any  applicable  order,  judgment,
     injunction, award or decree, or (ii) any federal, state, local or foreign
     law,  ordinance  or  regulation  or any other  requirement  of any court,
     arbitrator or  Governmental  Authority  applicable to the business of the
     Buyer,  except to the extent  that  non-compliance  does not and will not
     have a material adverse effect upon the assets,  properties,  business or
     operations of the Buyer,  including,  but not limited to, the performance
     of the  Contracts,  and  would  not be in  violation  of  any  such  law,
     ordinance,  regulation  or other  requirement  that has been  enacted  or
     adopted but is not yet effective if it were effective at the date hereof.

          3.2.5. Actions  and  Proceedings.  There are no outstanding  orders,
     judgments,  injunctions,  awards or decrees of any court, governmental or
     regulatory body or arbitration  tribunal  against or involving the Buyer;
     and, there are no actions,  suits or claims or legal,  administrative  or
     arbitral  proceedings  or, to the knowledge of the Buyer,  investigations
     (whether or not the defense thereof or liabilities in respect thereof are
     covered by insurance)  pending or, to the knowledge of Buyer,  threatened
     against or involving the Buyer or any of its properties or assets,  that,
     individually  or in the aggregate,  could have a material  adverse effect
     upon the transactions contemplated hereby or upon the assets, properties,
     business, operations, or condition (financial or otherwise) of the Buyer.

          3.2.6. Ability  to Perform.  As of the Closing Date, Buyer will have
     the ability and legal  authority  to deliver  the  Purchase  Price at the
     Closing  and to take  such  other  actions  as may be  required  by it to
     consummate  the  transactions  contemplated  herein  and to  operate  the
     Seller's assets and business as a division of Buyer after the Closing.

          3.2.7. Capitalization.  (a)  The  authorized  capital stock of Buyer
     consists of (i) 3,333,333  shares of Buyer Common Stock, of which 604,874
     shares are currently issued and  outstanding;  and (ii) 500,000 shares of
     Preferred  Stock,  par value $1.00 per share, of which 133,500 shares are
     currently issued and outstanding. All of the shares of Buyer Common Stock
     (i) are validly issued,  fully paid and  nonassessable  and (ii) are, and
     when issued  were,  free of  preemptive  rights.  There are 201 shares of
     Buyer  Common  Stock held in the  treasury  of Buyer.  A total of 464,984
     shares of

                                      22

<PAGE>

     Buyer Common Stock are currently  reserved for issuance upon the exercise
     of options or warrants that have been or may be granted by Buyer pursuant
     to Buyer's 1995 Stock Option Plan,  1987 Stock Warrant  Purchase Plan and
     1981 Incentive  Stock Option Plan, of which 259,453 shares are subject to
     options  issued  thereunder.  Other than such options,  no Person has any
     right (including preemptive rights) to acquire any of Buyer Common Stock.

               (b) The shares of Buyer Common Stock issued and issuable to the
     Shareholders  pursuant to Section 2.2 are and shall be, upon  issuance in
     accordance   with  this  Agreement,   validly  issued,   fully  paid  and
     nonassessable and free of preemptive rights.

          3.2.8. Brokers; Finders. Buyer 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.

          3.2.9. Continuity  of   Business  Enterprise.   It  is  the  present
     intention  of Buyer to continue at least one  historic  business  line of
     Seller,  or to use at least a  significant  portion of Seller's  historic
     business assets in a business,  in each case within the meaning of Treas.
     Reg. ss.1.368-1(d).

          3.2.10. No Defaults or Violations. Buyer has not materially breached
     any provision  of, nor is it in material  default under the terms of, any
     lease, contract, commitment,  agreement, mortgage, lien, instrument, plan
     or license to which it is a party or under  which it has any rights or by
     which it is bound and  which  relates  to the  Buyer's  business,  and to
     Buyer's  knowledge,   no  other  party  to  any  such  lease,   contract,
     commitment,  agreement, mortgage, lien, instrument, plan or license is in
     default thereunder in any material respect.  Buyer is not in any material
     violation or default of any law, governmental regulation or rule or order
     of any Governmental  Authority that is applicable in any way to the Buyer
     or the operation of its business.

          3.2.11. Environmental Compliance.

               (i) All real  property  leased by Buyer has never  been used by
     Buyer  or,  to  Buyer's  knowledge,  by any other  person,  to  generate,
     manufacture,  refine,  transport,  treat, store, handle or dispose of any
     Hazardous Substances.

               (ii) To Buyer's knowledge, all real property leased by Buyer is
     in compliance with all Environmental Laws.

               (iii) To Buyer's  knowledge,  all real property leased by Buyer
     does not contain any Hazardous Substances.

                                      23

<PAGE>

               (iv) To Buyer's  knowledge,  no tanks now or formerly  used for
     the  storage of any liquid or gas above or below  ground,  are present or
     were at any time present on or at any real property leased by Buyer.

               (v) Buyer has not received a citation,  directive,  letter,  or
     other  communication,  written or oral,  from any person or  governmental
     authority concerning the presence of any Hazardous Substances on any real
     property owned or leased by Buyer.

               (vi) Buyer has no knowledge  of or  information  regarding  the
     presence  of any  Hazardous  Substances  at  adjacent  properties,  which
     Hazardous  Substances  could  migrate  to,  through,  or  under  any real
     property leased by Buyer.

               (vii) Buyer has  obtained  all  material  licenses  and permits
     required by all material Environmental Laws.

               (viii) Buyer has not received any notice of any violation of or
     potential  or  actual  liability  under  any  Environmental  Laws  at  or
     concerning any real property leased by Buyer.

               (ix) No action has been  commenced  or, to  Buyer's  knowledge,
     threatened  regarding  Buyer's  compliance  with or  liability  under any
     Environmental Laws at or concerning any real property leased by Buyer.

          3.2.12. Assets Sufficient for Conduct of Business. In the opinion of
     Buyer's management,  the assets of Buyer constitute  substantially all of
     the assets and  properties  required  for the  operation  of the  Buyer's
     business as it is presently operated by Buyer in all material respects.

          3.2.13. Accuracy  of  Statements.  Neither  this  Agreement  nor any
     statement,  list,  certificate  or other  information  furnished or to be
     furnished  by or on behalf of Buyer to  Seller  in  connection  with this
     Agreement or any of the transactions contemplated hereby contains or will
     contain any untrue  statement of a material fact  regarding  Buyer or the
     Buyer's  business,  or  omits  or will  omit to  state  a  material  fact
     necessary to make the statements  regarding Buyer or the Buyer's business
     contained herein or therein,  in light of the circumstances in which they
     are made, not misleading.

          3.2.14. Improper  and   Other  Payments.  To  the  best  of  Buyer's
     knowledge, none of the Buyer, any director,  officer,  employee, agent or
     representative  of the Buyer,  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

                                      24

<PAGE>

     foreign  political party or candidate or (c) any improper foreign payment
     (as defined in the Foreign Corrupt Practices Act).

     3.3 Representations  and  Warranties of  Shareholders.  The  Shareholders
severally  represent and warrant to Buyer to the best of the knowledge of each
of them as follows:

          3.3.1. General.  Each  and every representation and warranty made by
     the Seller  under  Section 3.1 of this  Agreement is true and correct and
     will be true  and  correct  on each  day  from  the  date  hereof  to and
     including the Closing Date as if made as and of each such day.

          3.3.2. No  Conflict  of  Interest.  Except as  disclosed  on Exhibit
     3.3.2,  none of the Shareholders or any of their Affiliates has or claims
     to have any direct or  indirect  interest in any  tangible or  intangible
     property  used in Seller's  business,  except as a holder of the Seller's
     shares of capital  stock.  The  Shareholders  are the sole and  exclusive
     holders of all the outstanding shares of capital stock of Seller.  Except
     as disclosed on Exhibit 3.3.2,  none of the Shareholders nor any of their
     Affiliates have 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,  the Seller.  Exhibit 3.3.2
     contains  a  complete  and  accurate  description  of all  such  Persons,
     interests, arrangements and other matters.

          3.3.3. Purchase  for  Investment.  With  respect to the Buyer Common
     Stock being delivered at the Closing and at the Post-Closing, each of the
     Shareholders severally represents and warrants to Buyer as follows:

               (a) Experience.  Such  Shareholder is capable of evaluating the
     merits and risks of this  investment,  has the capacity to protect his or
     her own respective  interests,  and has the financial ability to bear the
     economic risks of the investment.

               (b) Investment.  Such Shareholder is acquiring the Buyer Common
     Stock for  investment  for his or her own account and not as a nominee or
     agent,  and not with a view to, or for  resale in  connection  with,  any
     distribution thereof. Such Shareholder  understands that the Buyer Common
     Stock to be delivered has not been registered under the Securities Act of
     1933  (the  "Securities  Act") in  reliance  upon an  exemption  from the
     registration  provisions of the Securities Act, the availability of which
     exemption  depends upon, among other things,  the bona fide nature of the
     Shareholders' investment intent and the accuracy of their representations
     as  contained  herein.  Such  Shareholder  is  domiciled  in  Maryland or
     Virginia.

               (c) Holding  Period.  Such  Shareholder  acknowledges  that the
     Buyer  Common  Stock  may  not be  sold in the  absence  of an  effective
     registration statement

                                      25

<PAGE>

     under the Securities  Act, or unless an exemption from such  registration
     is  available,  and such  Shareholder  has  otherwise  complied  with the
     provisions of Section 6.7.

               (d) Access  to  Information.   Such   Shareholder  has  had  an
     unlimited  opportunity  to  discuss  Buyer's  business,   management  and
     financial  affairs with its management  and the  opportunity to review in
     detail  Buyer's  property,  books,  accounts,   records,   contracts  and
     documents  and  all  other  information  related  to  such  Shareholder's
     investment in Buyer Common Stock. Such Shareholder's questions pertaining
     to Buyer were answered fully and to the Shareholder's satisfaction.

               (e) Transfer  and  Legend.  Such  Shareholder  shall not  sell,
     pledge,  hypothecate or otherwise  transfer any Buyer Common Stock unless
     it is registered under the Securities Act and applicable state securities
     laws or is exempt  therefrom,  and unless such  Shareholder  has complied
     with Section 6.7. Such  Shareholder  acknowledges  that each  certificate
     representing the Buyer Common Stock shall be endorsed with a legend which
     provides substantially as follows:

          "The securities  evidenced hereby have not been registered under the
          Securities  Act of 1933 or the laws of any other  jurisdiction,  and
          may  not  be  sold,  transferred,  assigned,  pledged  or  otherwise
          distributed  unless  there is an  effective  registration  statement
          under  such  Act  and  applicable   securities  laws  covering  such
          securities,   together   with   compliance   with   the   additional
          restrictions on transfer as contained in the Agreement,  dated as of
          October  6,  1995,  between  Infodata  Systems  Inc.  and the holder
          hereof,  or Infodata Systems Inc. receives an opinion of counsel for
          the holder of the  securities  (concurred in by counsel for Infodata
          Systems Inc.) stating that such sale, transfer,  assignment,  pledge
          or  distribution  is exempt  from the  registration  and  prospectus
          delivery requirements of such Act and applicable securities laws and
          otherwise  complies with any additional  restrictions on transfer as
          contained in said Agreement  between  Infodata  Systems Inc. and the
          holder hereof."

          3.3.4. Shareholders'  Taxes.  Such Shareholder has timely  filed and
     paid all  personal  income  taxes and  payroll and  employment  taxes (as
     defined in Section 3.1.7.)  required to be paid by him or her through the
     Closing  Date,  and all  deficiencies  or additions to tax,  interest and
     penalties owed by him or her, in connection with any such taxes.


                                  ARTICLE IV

         CERTAIN COVENANTS OF SELLER AND SHAREHOLDERS PRIOR TO CLOSING

     Seller and the Shareholders  covenant and agree as follows for the period
of time between and including the date of this Agreement and the Closing Date:

                                      26

<PAGE>

     4.1 Access to  Facilities,  Files and  Records.  Between the date of this
Agreement  and the Closing  Date,  Seller shall allow Buyer and its  officers,
employees,  accountants,  counsel and  representatives  (i) full access during
normal business hours to all facilities,  property,  accounts,  books,  minute
books,  deeds,  title  papers,  insurance  policies,   licenses,   agreements,
contracts,  commitments,  tax returns,  records, and files of every character,
equipment,  machinery,  fixtures  furniture,  vehicles,  notes,  and  accounts
payable and receivable, and inventories,  including copies thereof, related to
Seller's business,  and (ii) all such other information concerning the affairs
of Seller's business as Buyer may reasonably  request.  Buyer may place one or
more of its managerial  employees at Seller's  headquarters  to provide advice
and counsel to Seller's President.

     4.2 Risk of Loss. Seller assumes all risk of loss,  destruction or damage
of the Purchased  Assets due to fire or other casualty up to the  consummation
of the Closing. Upon said loss,  destruction or damage of the Purchased Assets
due to fire or other  casualty  of all or a material  amount of the  Purchased
Assets,  Buyer shall have the option to terminate this Agreement or accept the
proceeds of any  applicable  insurance  policies of Seller or, with the mutual
agreement of Seller,  to make an appropriate  adjustment in the Purchase Price
separate  from any Purchase  Price  Adjustment  to be made under  Section 2.2.
Seller assumes all risk of loss,  destruction or damage of the Excluded Assets
both before and after Closing.

     4.3 Employees and Compensation.  Without Buyer's written consent,  Seller
shall have not performed or agreed to perform any of the following  acts:  (i)
grant any  increase  in salaries  or other  compensation  payable or to become
payable to any officer, employee, sales agent or representative; (ii) increase
benefits payable to any officer, employee, sales agent or representative under
any bonus or pension plan or other contract or  commitment;  or (iii) hire any
new employee.  Seller shall permit Buyer to contact Seller's  employees at all
reasonable times for the purpose of discussing with such employees prospective
employment  by Buyer on or after the Closing  Date.  Seller shall use its best
efforts to encourage all employees of Seller to accept any employment  offered
by Buyer.  Seller  shall  assign to Buyer all  employment  agreements  between
Seller and its  employees if  permissible  under the terms of such  employment
agreements.

     4.4 Conduct of Business.

          (a) From the date of this  Agreement  until the  Closing  Date,  the
     Shareholders  shall cause the Seller to operate  only in the ordinary and
     usual course of business and consistent with past practice, and shall use
     their  best  efforts  to  (i)  maintain  the  assets  of  the  Seller  in
     substantially  their current state of repair,  excepting  normal wear and
     tear, and preserve intact the present business organization and personnel
     of the Seller, (ii) preserve the goodwill and advantageous  relationships
     of  the  Seller  with  customers,  suppliers,   independent  contractors,
     employees  and other  Persons  material to the operation of its business,
     (iii) not permit  any action or  omission  which  would  cause any of the
     representations or warranties of Seller or the

                                      27

<PAGE>

     Shareholders  contained  herein  to  become  inaccurate  or  any  of  the
     covenants  of Seller or the  Shareholders  to be  breached,  (iv) perform
     obligations under all Contracts to be conveyed to Buyer, and (v) maintain
     in full force and effect  current  property  damage,  liability and other
     insurance.

          (b) Without  limiting the generality of the  foregoing,  Seller will
     not,  without the prior  written  consent of Buyer  (except as  otherwise
     contemplated under Section 2.2(b) hereof):

               (i) incur  any  obligation  or enter  into any  Contract  which
     requires  a payment  by any party in excess  of, or a series of  payments
     which in the  aggregate  exceed,  $25,000 or provides for the delivery of
     goods or performance of services,  or any combination  thereof,  having a
     value in excess of $25,000;

               (ii) take any action,  or enter into or authorize  any Contract
     or  transaction,  other  than in the  ordinary  course  of  business  and
     consistent with past practice;

               (iii) sell,  transfer,  convey,  assign or otherwise dispose of
     any of its  assets  or  properties,  except  sales  of  inventory  in the
     ordinary course of business and consistent with past practice;

               (iv) waive,  release or cancel any claims against third parties
     or debts owing to it, or any rights which have any value;

               (v) enter into,  authorize,  or permit any transaction with any
     or all of the Shareholders or any Affiliate;

               (vi) authorize for issuance,  issue,  sell, deliver or agree or
     commit to  issue,  sell or  deliver  (whether  through  the  issuance  or
     granting of options,  warrants,  convertible or exchangeable  securities,
     commitments,  subscriptions,  rights to purchase or otherwise) any shares
     of capital stock or any other  securities of the Seller,  or amend any of
     the terms of any such capital stock or other securities;

               (vii) terminate, modify, amend or otherwise alter or change any
     of the  terms  or  provisions  of any  Contract,  or pay any  amount  not
     required by Law or by any Contract,  other than in the ordinary course of
     business and consistent with past practices; or

               (viii) declare or pay any dividends or other  distributions  to
     the Shareholders.

     4.5 Contact Clients.  Seller shall permit Buyer, and Buyer shall have the
right to contact, subject to reasonable conditions, Seller's clients under the
Contracts and to make

                                      28

<PAGE>

reasonable  inquiries of such  clients;  provided,  however,  that Buyer shall
provide Seller with advance notice of any such contact and shall permit Seller
to participate in any such contacts with Seller's clients.

     4.6 No  Solicitation  or Offers.  Between the date hereof and the Closing
Date,  neither  Seller  nor any of the  Shareholders  or their  Affiliates  or
representatives  shall,  directly  or  indirectly,  solicit  or  initiate  any
discussions  with  any  Person  regarding  any  sale,  pledge,  hypothecation,
assignment,  transfer,  acquisition,  merger, license, or similar transaction,
involving all or any portion of Seller's  assets,  business or capital  stock,
nor  shall  Seller  or  any  of  the   Shareholders  or  their  Affiliates  or
representatives,  directly  or  indirectly,  negotiate  with  or  provide  any
information  to  any  potential   acquires   concerning   the  sale,   pledge,
hypothecation,  assignment,  transfer, acquisition, merger, license or similar
transaction involving the Purchased Assets or the Seller's assets, business or
capital  stock  generally;  provided,  however,  Seller shall be permitted and
obligated to file any information  required to be filed by applicable statute,
regulation, rule of court or court order.

     4.7 Change  of  Corporate  Name.  On  the  Closing  Date  or as  soon  as
practicable  thereafter,  Seller  shall do all acts  reasonably  necessary  to
transfer  the name  "Merex"  to the  Buyer  and each of  Seller  and any other
entities  owned or  controlled by any of the  Shareholders  shall change their
corporate  names to new names  which do not  include  the term  "Merex" or any
other acronym, abbreviation,  variation, translation or combination thereof or
similar names. From and after the Closing,  neither Seller nor any Shareholder
shall use the term  "Merex"  or any other  acronym,  abbreviation,  variation,
translation  or  combination  thereof or similar names in connection  with any
business or other activity.

     4.8. Notice  Regarding Change in  Circumstances.  Seller shall give Buyer
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 Seller prior to the date hereof, of any Seller's representations
or warranties contained in this Agreement.

     4.9. Approval By Shareholders;  Liquidation  of Seller.  Seller will give
due notice of and call a meeting of the  Shareholders,  which meeting shall be
held prior to the Closing  Date for the purpose of voting on the  transactions
contemplated herein and for the change of name and liquidation and dissolution
of  Seller.  Immediately  prior to the end of the  twelve  (12)  month  period
immediately following the Closing Date, Seller will take such action as may be
required to dissolve  and  terminate  its  corporate  existence,  to liquidate
completely, and to distribute directly to the Shareholders or their successors
in interest,  pro rata, all its right,  title and interest to the Buyer Common
Stock received pursuant to this Agreement,  and any other assets not purchased
by the Buyer and held by the Seller,  in  exchange  for the  surrender  by the
Shareholders  of  their  shares  of  Seller  common  stock  for  cancellation;
provided, however, that Seller shall first obtain the prior written consent of
Buyer in the event Seller  desires to liquidate or dissolve and  terminate its
corporate  existence  prior  to the  end  of  the  twelve  (12)  month  period
immediately following the

                                      29

<PAGE>

Closing Date. The arrangements for such liquidating  distribution and exchange
shall include provision by Seller for the purchase or sale, for account of the
Shareholders,  of any  fractional  interests  in Buyer  Common  Stock with the
result  being  that no  fractional  shares  will be  required  to be issued in
connection therewith.


                                   ARTICLE V

                         ADDITIONAL COVENANTS OF BUYER

     5.1 Employment  of  Seller  Personnel.  Except as  otherwise  provided in
Exhibit 5.1.1,  upon  consummation  of the  transactions  contemplated in this
Agreement,  Buyer shall offer  employment  to Seller's  personnel  employed by
Seller on the Closing Date. Such  employment  shall be at will of both parties
and,  except  as  provided  in  Exhibit  5.1.1.,  shall  be upon  the  same or
substantially  the  same  terms  as are now  provided  by the  Seller  to such
employees and shall credit all such employees with their years of service with
Seller.  This Section  shall not be construed to require that Buyer employ any
such persons on other than an at-will  basis.  Nothing  herein shall  obligate
Buyer to pay any pension,  vacation,  sick leave or other employee benefits to
such personnel  which were the obligation of Seller with respect to the period
before  the  Closing  Date,  except  for any  such  items  which  are  Assumed
Liabilities.  Notwithstanding the foregoing, Buyer has agreed to provide stock
options to purchase  Buyer Common Stock on the terms and  conditions set forth
in Exhibit 5.1.2.

     5.2. Termination  of   NationsBank  Loan  Facility.  At the Closing or as
promptly  thereafter  as  practicable,  Buyer  shall  pay to  NationsBank  the
outstanding  balance due from the Seller to  NationsBank,  in an amount not to
exceed  $155,322  plus any accrued  interest  from August 31, 1995 through the
date of such  pay-off by Buyer,  under the line of credit  facility  currently
maintained by Seller with NationsBank,  which line is an Assumed Liability and
is collateralized by the Seller's trade accounts  receivable and guaranteed by
Tworek.

     5.3 Consulting  Agreement  with  Styer.  Buyer  agrees  to  enter  into a
Consulting Agreement with Styer, substantially in the form attached as Exhibit
5.3 hereto,  which will provide for the  retention by Buyer of the services of
Styer as an independent consultant at the gross monthly compensation of $5,333
for a period of six (6)  months  from the  Closing  Date,  for the  purpose of
assisting  Buyer  during its  integration  of the  Purchased  Assets  into the
business  of Buyer,  as well as to assist  Buyer in its  business  development
efforts.  This Consulting Agreement shall be renewable by the mutual agreement
of Buyer and Styer,  and contains a  noncompetiton  provision on the terms and
conditions set forth in Section 6.2 below.  Styer shall be an independent  and
self-employed  consultant who shall be solely  responsible  for all of her own
taxes due with respect to all compensation paid to Styer by Buyer.

     5.4 Employment  Agreements With Tworek and Fregly.  Buyer agrees to enter
into Employment  Agreements with Tworek and Fregly,  substantially in the form
attached hereto

                                      30

<PAGE>

as Exhibits 5.4.1 and 5.4.2,  respectively,  which agreements will provide for
the  employment  by Buyer of Tworek as a Senior Vice  President and Tworek and
Fregly as officers of the Merex  Division  of Buyer,  at a base annual  salary
rate of $125,000 and $90,000,  respectively,  for a period of twenty-four (24)
months from the Closing Date.  The  Employment  Agreements  shall be renewable
separately  by the  mutual  agreement  of Buyer and Tworek  and  Fregly.  Each
employment  agreement  contains a  noncompetition  provision  on the terms and
conditions set forth in Section 6.2 below.


                                  ARTICLE VI

                      ADDITIONAL COVENANTS OF THE PARTIES

     6.1 Expenses.  Except as otherwise  provided in Section 11.1, each of the
parties  will bear  their  own  respective  expenses  and  costs  incurred  in
connection with the  preparation,  execution and performance of this Agreement
and the transactions contemplated hereby, including,  without limitation,  all
fees and  expenses  of  agents,  representatives,  investment  bankers,  legal
counsel and accountants.

     6.2 Noncompetition.  Each  of  Shareholders  agrees  that  the  following
provisions  of this Section are  intimately  linked to the other  transactions
contemplated by this Agreement,  and each Shareholder  acknowledges that Buyer
would not enter into this Agreement  without each  Shareholder  agreeing to be
bound by the following  provisions  from the date hereof until the Ending Date
(as hereinafter defined):

          (a) Except  as  expressly  approved  (which  approval  shall  not be
     unreasonably  withheld) by Buyer,  each Shareholder  agrees that from and
     after the date of this  Agreement  until two (2) years after the date any
     employment or consulting  arrangement  between such Shareholder and Buyer
     terminates, unless a Shareholder-employee is terminated without Cause, as
     defined in the Employment  Agreements  attached  hereto as Exhibits 5.4.1
     and 5.4.2, in which case the noncompetition  provisions of the applicable
     Employment  Agreement and this Section 6.2 shall not apply for any period
     after the  termination  of the employment of such  Shareholder  and Buyer
     (with such termination date being referred to herein as the "Ending Date"
     with respect to each  Shareholder),  that he or she shall not directly or
     indirectly:

               (i) except in  connection  with any  duties  as an  officer  or
     employee  of Buyer,  solicit,  divert or attempt to solicit or divert any
     party who is or was a  client,  customer  or  supplier  of Seller  and/or
     Buyer,  or accept any business or  remuneration,  directly or indirectly,
     from any party who is or was a client,  customer  or  supplier  of Seller
     and/or Buyer;

               (ii) during the one-year period immediately  following the date
     of  termination  of the  employment  or consulting  arrangement,  employ,
     solicit for

                                      31

<PAGE>

     employment or encourage to leave their  employment,  in each case, either
     as an employee,  agent or  representative,  any person who was during the
     two-year period prior to such  employment,  solicitation or encouragement
     or is an officer, employee, agent or representative of Seller or Buyer;

               (iii) disturb, or attempt to disturb, any business relationship
     between any third party and Seller or Buyer; or

               (iv) make any statement to any third party, including the press
     or media, likely to result in adverse publicity for Seller or Buyer.

          (b) In the event of actual or threatened breach of the provisions of
     this Section,  Buyer,  in addition to any other remedies  available to it
     for such breach or threatened breach,  including the recovery of damages,
     shall  be  entitled  to  an   injunction   restraining   any  or  all  of
     Shareholders, as appropriate, from such conduct.

          (c) If at any time any of the  provisions  of this Section  shall be
     determined  to be invalid or  unenforceable  by reason of being  vague or
     unreasonable as to duration,  area, scope of activity or otherwise,  then
     this Section shall be considered  divisible (with the other provisions to
     remain  in full  force  and  effect)  and the  invalid  or  unenforceable
     provisions  shall  become  and be deemed  to be  immediately  amended  to
     include only such time, area,  scope of activity and other  restrictions,
     as shall be determined to be reasonable  and  enforceable by the court or
     other body  having  jurisdiction  over the matter,  and each  Shareholder
     expressly agrees that this Agreement,  as so amended,  shall be valid and
     binding as though any  invalid or  unenforceable  provision  had not been
     included herein.

          (d) The  provisions of this Section shall be in addition to, and not
     in limitation of, any other  provisions  contained in any other agreement
     restricting competition by any or all of Shareholders.

          (e) Shareholders shall not, directly or indirectly, (i) disclose, or
     (ii) use for their own  benefit,  or for the benefit of any other  Person
     (other than, in the case of (a) below,  the Seller or an Affiliate of the
     Seller),  (a) any secret or confidential  information,  lists of clients,
     customers or suppliers, information relating to any clients, customers or
     suppliers,  or any other  data of or  pertaining  to the Seller or to any
     Affiliate  of  the  Seller,  their  respective  businesses  or  financial
     affairs,  or their products which are not a matter of public knowledge or
     (b) any Buyer Confidential Information  (collectively,  the "Confidential
     Information").  Each Shareholder agrees that upon termination of any such
     Shareholder's  employment  or  consulting  agreement  with  Buyer for any
     reason and upon the request of Buyer on or after the Closing  Date, he or
     she  will  immediately  deliver  to Buyer  all  original  papers,  books,
     manuals,  lists,  correspondence and documents  containing or relating to
     the Confidential  Information,  together with all copies thereof,  except
     that each

                                      32

<PAGE>

     Shareholder  may keep copies of such  materials  as shall be necessary to
     permit  such  Shareholder  to prepare his or her tax returns or to comply
     with any other legal requirements.

     6.3 Further Assurances.  Each party will execute such documents and other
papers and take such  further  actions as may be  reasonably  required  in the
opinion of Buyer's counsel or Seller's  counsel,  as the case may be, to carry
out the provisions hereof and the transactions contemplated hereby.

     6.4. Use of Name.  From and after  the  Closing  Date,  the  Seller,  the
Shareholders  and each of their Affiliates will be prohibited from directly or
indirectly using in any manner any trade name, trademark, service mark or logo
used by the Seller or any word or logo that is similar in sound or  appearance
without the prior approval of Buyer, other than for the benefit of Buyer.

     6.5. Registration of Buyer Common  Stock. Buyer covenants and agrees with
the  Shareholders  that Buyer,  at its expense and within  thirty (30) days of
Buyer's  receipt of a written  request of the  Shareholders  during the period
commencing  on and after  March 31, 1996 and ending on the date which is three
(3) years after the Closing  Date,  will use its best  efforts to register the
shares of Buyer Common Stock being issued to Shareholders  hereunder,  subject
to the  limitations  contained in Section 6.7,  under the  applicable  form of
Registration Statement to be filed by Company under the Securities Act of 1933
and updated and maintained current for a period of three (3) years thereafter.
Shareholders  shall be  prohibited  from  selling  their  Buyer  Common  Stock
received  hereunder until such stock is registered as provided in this Section
6.5 or qualifies for an exemption  from  registration  under federal and state
securities laws.  Shareholders  shall be further limited in any sales of their
Buyer Common Stock received hereunder as provided in Section 6.7.

     6.6. Termination of Certain Agreements.  Each Shareholder shall, and each
Shareholder  agrees that he or she shall cause his or her  Affiliates  and the
Seller to, and that his or her Affiliates  and the Seller shall,  effective as
of the Closing, without any cost to the Seller, terminate, rescind, cancel and
render  void and of no effect all of the  Contracts  between the Seller on the
one hand and such Shareholder or any of his or her Affiliates, as the case may
be (other  than the  Seller) on the other  hand,  except  for those  Contracts
listed in  Exhibit  6.6 and those  Contracts  entered  into  pursuant  to this
Agreement.

     6.7. Agreement of  Shareholders Not to Transfer  Shares.  Notwithstanding
any  other  provision  contained  in  this  Agreement  to the  contrary,  each
Shareholder covenants and agrees that he or she will not dispose of any of the
Buyer  Common Stock  received  from the Seller on or after the Closing Date or
the  Post-Closing  Date  within  two (2) years of the date of  receipt of such
shares of Buyer  Common Stock by the Seller if such  disposition  would reduce
the fair value of the Buyer Common  Stock  (measured as of the date of receipt
by the  Seller)  retained  by such  Shareholder  to an amount  less than fifty
percent  (50%) of the fair value of the Buyer  Common Stock held by the Seller
as of the date of receipt by

                                      33

<PAGE>

the Seller,  unless the Shareholder obtains an opinion of counsel satisfactory
to Buyer that such  transfer will not violate the  continuity  of  shareholder
interest  requirement  set forth in Treas.  Reg.  ss.1.368-1.  Any Shareholder
desiring  to dispose  of any shares of Buyer  Common  Stock  received  in this
transaction  during such  two-year  period  shall  provide  Buyer with written
notice,  not  less  than  fifteen  (15)  days  prior to the  intended  date of
disposition,  specifying  the  number  of  shares  of Buyer  Common  Stock the
Shareholder  desires to dispose.  At any time that any Shareholder  desires to
dispose  of any  shares  of Buyer  Common  Stock  received  by  Seller in this
transaction,  such  Shareholder  shall deliver to Buyer, not less than fifteen
(15) days  prior to the  intended  date of  disposition  of such  shares,  the
written opinion of counsel referred to above in this Section.

                                  ARTICLE VII

            CONDITIONS PRECEDENT TO OBLIGATIONS OF PARTIES TO CLOSE

     The rights,  duties and  obligations of the parties to this Agreement are
wholly  contingent  upon  the  satisfaction,  on or prior  to  Closing  of the
following:

     7.1 Leases. Seller shall deliver to Buyer the current lease of the Seller
and the  written  assignment  thereof to Buyer,  together  with any  subleases
executed by Seller,  with such lease,  any  subleases  and form of  assignment
being  attached  hereto as Exhibit  7.1, and with such  assignment  being duly
executed by Seller and The Perkin-Elmer Corporation ("Landlord"), with respect
to the Seller's office space located at 3206 Tower Oaks Boulevard,  Suite 300,
Rockville, Maryland 20852.

     7.2 Non-Competition  Provisions.  Buyer and Shareholders shall enter into
their respective employment or consulting agreements described in Sections 5.3
and 5.4 hereof and attached hereto as Exhibits 5.3, 5.4.1 and 5.4.2.

     7.3 Conditions  Precedent  to  Obligation of Seller and  Shareholders  to
Close.  The rights,  duties and obligations of Seller and  Shareholders  under
this Agreement are wholly contingent upon the satisfaction, on or prior to the
Closing, of the following:

          7.3.1. Warranties  True as of the Present Date, the Closing Date and
     the  Post-Closing  Date.  The  representations  and  warranties  of Buyer
     contained herein shall have been accurate,  true and correct on and as of
     the date of this Agreement,  and shall also be accurate, true and correct
     on and as of the Closing Date and the  Post-Closing  Date,  with the same
     force and effect as though  made by Buyer on and as of the  Closing  Date
     and the Post-Closing Date.

          7.3.2. Compliance  with  Agreement and  Covenants.  Buyer shall have
     performed  and  complied  with  all of  its  covenants,  obligations  and
     agreements  contained in this Agreement to be performed and complied with
     by Buyer on or prior to the Closing Date.

                                      34

<PAGE>

          7.3.3. Delivery of Buyer Common Stock. Buyer shall have delivered to
     Seller  and  Escrow  Agent,  respectively,  the number of shares of Buyer
     Common Stock specified in Section 2.2 hereof.

          7.3.4. Certification.  Seller shall  have received a certificate  of
     Buyer  executed by its  President,  dated as of the Closing Date, in form
     and substance satisfactory to Buyer,  certifying as to the fulfillment of
     the matters mentioned in Sections 7.3.1 and 7.3.2.

          7.3.5. Opinion of Buyer's Counsel. Buyer's counsel,  Freedman, Levy,
     Kroll & Simonds,  shall have delivered to Seller and the  Shareholders an
     opinion,  dated as of the Closing Date,  in the form  attached  hereto as
     Exhibit 7.3.5.  Such opinion shall conclude that the purchase by Buyer of
     the Purchased  Assets from Seller in the manner  provided for herein will
     qualify as a tax-free  reorganization  under Section  368(a)(1)(C) of the
     Code.

          7.3.6. No Action.  No action shall have been  instituted  before any
     court or  Governmental  Authority,  or  instituted  or  threatened by any
     Governmental Authority,  to restrain,  modify or prevent the carrying out
     of  the  transactions  contemplated  hereby,  or  to  seek  damages  or a
     discovery order in connection  with such  transaction and there shall not
     be in effect any judgment, writ, order, injunction or decree of any court
     or governmental entity of competent jurisdiction  restraining,  enjoining
     or otherwise preventing consummation of the transactions  contemplated by
     this Agreement.

          7.3.7. Termination of  NationsBank  Loan Facility.  Buyer shall have
     used its best  efforts,  at the  Closing  or as  promptly  thereafter  as
     practicable,  to pay to NationsBank the outstanding  balance due from the
     Seller to  NationsBank,  in an amount  not to  exceed  $155,322  plus any
     accrued interest from August 31, 1995 through the date of such pay-off by
     Buyer, under the line of credit facility  currently  maintained by Seller
     with   NationsBank,   which   line  is  an  Assumed   Liability   and  is
     collateralized  by the Seller's trade accounts  receivable and guaranteed
     by Tworek.  In the event Buyer is not able to pay-off the subject line of
     credit facility with  NationsBank at the Closing,  then the Closing shall
     nevertheless  occur  hereunder  (assuming all other  conditions have been
     satisfied or waived) and such  obligation  shall be satisfied by Buyer as
     promptly as practicable after the Closing as provided in Section 8.6.

          7.3.8. No Material Adverse Change in Buyer's  Business.  There shall
     have been no material adverse change in the business of the Buyer.

     7.4. Conditions  Precedent to  Obligation of Buyer to Close.  The rights,
duties and  obligations  of Buyer under this  Agreement are wholly  contingent
upon the satisfaction, on or prior to the Closing, of the following:

                                      35

<PAGE>

          7.4.1. Warranties  True as of the Present Date, the Closing Date and
     the Post-Closing Date. The  representations  and warranties of Seller and
     each  Shareholder  contained  herein shall have been  accurate,  true and
     correct  on and as of the  date  of this  Agreement,  and  shall  also be
     accurate,  true  and  correct  on and  as of the  Closing  Date  and  the
     Post-Closing Date with the same force and effect as though made by Seller
     and each  Shareholder on and as of the Closing Date and the  Post-Closing
     Date.

          7.4.2. Compliance   with   Agreement  and   Covenants.   Seller  and
     Shareholders  shall  have  performed  and  complied  with  all  of  their
     respective  covenants,  obligations  and  agreements  contained  in  this
     Agreement  to be performed  and complied  with by them on or prior to the
     Closing Date.

          7.4.3. Consents and Approvals.  Seller  and Shareholders  shall have
     received  written  evidence  satisfactory  to Buyer that all consents and
     approvals required for the consummation of the transactions  contemplated
     hereby or the ownership  and  operation by Buyer of the Purchased  Assets
     and Seller's business have been obtained,  except only for Contracts that
     are the subject of the novation  and  assignment  process  referred to in
     Sections 2.4 and 8.4.

          7.4.4. Certification.  Buyer shall  have received a  certificate  of
     Seller  executed  by its Chief  Executive  Officer  and  Chief  Financial
     Officer/Controller,  dated as of the Closing  Date, in form and substance
     satisfactory  to Buyer,  certifying as to the  fulfillment of the matters
     mentioned in Sections 7.4.1 and 7.4.2,  and certifying  that the tangible
     net worth of Seller at September 29, 1995, is at least $39,400.

          7.4.5. Opinion of  Seller's  Counsel.  Seller's   counsel,  McGuire,
     Woods, Battle and Boothe, shall have delivered to Buyer an opinion, dated
     as of the Closing Date, in the form attached hereto as Exhibit 7.4.5.

          7.4.6. No Action.  No action shall have been  instituted  before any
     court or  Governmental  Authority,  or  instituted  or  threatened by any
     Governmental Authority,  to restrain,  modify or prevent the carrying out
     of  the  transactions  contemplated  hereby,  or  to  seek  damages  or a
     discovery order in connection  with such  transaction and there shall not
     be in effect any judgment, writ, order, injunction or decree of any court
     or governmental entity of competent jurisdiction  restraining,  enjoining
     or otherwise preventing consummation of the transactions  contemplated by
     this Agreement.

          7.4.7. No Material Adverse Change in Seller's Business.  There shall
     have  been no  material  adverse  change in the  Purchased  Assets or the
     business of the Seller.

                                      36

<PAGE>

                                 ARTICLE VIII

                             POST-CLOSING MATTERS

     8.1. Purchase Price Adjustments.  The Purchase Price Adjustments referred
to in Section 2.2 shall be made in accordance with that Section.

     8.2. Escrow  Agent.  The  Escrow  Agent  shall  hold and  distribute  the
Additional Shares in accordance with the Escrow Agreement, attached as Exhibit
2.2(c), and the requirements of Section 2.2.

     8.3. Further  Instruments  and  Actions.  From  time  to time  after  the
Closing,  Seller and  Shareholders  shall  execute  and  deliver to Buyer such
further instruments of sale and assignment as Buyer may reasonably request and
Seller and Shareholders shall take all other actions, as required by Buyer, in
order to fully  vest and  confirm in Buyer all right,  title and  interest  of
Seller in and to the Purchased  Assets and otherwise to carry out the purposes
of this Agreement.  In this regard,  Seller shall deliver to Buyer, within the
fifteen (15) day period  immediately  following the Closing Date,  the written
consents of the insurance  companies  providing  the Seller's  health/medical,
dental,  vision and long-term  disability  insurance coverage,  which consents
shall confirm the  continuation of such insurance  coverages after the Closing
Date through at least  October 31, 1995,  for all  employees of Seller who are
being hired by Buyer  pursuant to Section 5.1 hereof.  Seller shall also cause
all such insurance  policies to be assigned and  transferred to Buyer prior to
October  31,  1995,  with such  assignments  and  transfers  to be without any
material change in the insurance  coverage and premiums.  Seller shall further
deliver to Buyer, within the fifteen (15) day period immediately following the
Closing Date, the written  consents of Citicorp,  ATT Capital  Corporation and
XEROX regarding the assignment and transfer to Buyer of all capital leases for
equipment  which  is  included  as part of the  Purchased  Assets,  with  such
assignments  and  transfers to Buyer to be without any material  change in the
terms of such capital  leases.  Buyer shall  cooperate in assisting  Seller in
obtaining all such consents,  assignments and transfers,  if necessary.  On or
prior to October 18, 1995,  Seller shall also deliver to Buyer a balance sheet
for Seller  which  updates the assets and  liabilities  of Seller  through the
Closing Date.

     8.4. Novation/Assignment  of   Contracts.  Seller,  with   the  continued
assistance   of   Tworek,   Styer  and   Fregly,   and  Buyer   shall   obtain
Novation/Assignment  Agreements for each of the Contracts, except as otherwise
waived in writing by Buyer.

     8.5. Consents and Approvals.  Seller,  Buyer  and the Shareholders  shall
obtain all respective  consents,  approvals,  certificates and other documents
required  in  connection  with the  performance  by any such  parties  of this
Agreement and the  consummation of the  transactions  contemplated  hereby and
thereby.

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<PAGE>

     8.6. Termination of NationsBank Loan Facility. In the event Buyer has not
previously,  at the Closing,  paid to NationsBank  the  outstanding  principal
balance  due from the  Seller to  NationsBank  of  $155,322  plus any  accrued
interest from August 31, 1995 through the date of such pay-off by Buyer, under
the  line  of  credit  facility  currently   maintained  by  the  Seller  with
NationsBank, then Buyer shall pay-off such obligation in such principal amount
and accrued interest as promptly as practicable after the Closing.


                                  ARTICLE IX

                                  TERMINATION

     9.1 Termination. This Agreement may be terminated at any time on or prior
to the Closing Date:

          (a) With the mutual consent of Seller, the Shareholders and Buyer;

          (b) By the  Seller or Buyer,  if the  Closing  shall not have  taken
     place on or before October 16, 1995; provided, however, that the right to
     terminate this Agreement under this Section 9.1(b) shall not be available
     to any party whose wilful  failure to fulfill any  obligation  under this
     Agreement has been the cause of or resulted in the failure of the Closing
     to occur on or before such date;

          (c) By Buyer,  if there  shall  have been a  material  breach of any
     covenant, representation or warranty or other agreement of either or both
     of Seller or of the  Shareholders  hereunder,  and such breach  shall not
     have been remedied  within ten (10) Business Days after receipt by Seller
     or the  Shareholders  of a notice in writing  from Buyer  specifying  the
     breach and requesting such be remedied; or

          (d) By Seller or all of the Shareholders, if there shall have been a
     material  breach of any  covenant,  representation  or  warranty or other
     agreement  of  Buyer  hereunder,  and such  breach  shall  not have  been
     remedied  within ten (10)  Business Days after receipt by Buyer of notice
     in writing from Seller or all of the  Shareholders  specifying the breach
     and requesting such be remedied.

     9.2 Effect of  Termination.  If this Agreement is terminated  pursuant to
Section 9.1, all obligations of the parties hereunder shall terminate,  except
for the  obligations  set forth in Article X and  Section  11.1,  which  shall
survive the termination of this Agreement, and except that no such termination
shall  relieve any party from  liability  for any prior wilful  breach of this
Agreement.

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<PAGE>

                                   ARTICLE X

                                INDEMNIFICATION

     10.1 Survival.  Except as otherwise specified herein, the representations
and warranties of Shareholders  and the Seller  contained herein shall survive
the Closing for a period expiring at the close of business on the date that is
three (3) years after the Closing Date (the "Survival Date"),  except that the
provisions  of Sections  8.3,  8.4,  8.5 and 8.6 shall  survive  forever.  The
representations  and  warranties of Buyer  contained  herein shall survive the
Closing for a period expiring at the close of business on the Survival Date.

     10.2 Limits  on  Indemnification.  The  parties  hereto  agree  that  any
indemnification  payments to be made pursuant to this  Agreement by the Seller
or any or all of Shareholders on the one hand or Buyer on the other hand shall
be  subject  to the  requirement  that no  claim  may be made  (i)  until  the
aggregate   amount  of   indemnifiable   Losses  incurred  by  the  Seller  or
Shareholders  on the one hand or Buyer on the other hand  exceeds  $5,000,  at
which time such claim for indemnification may be made for the aggregate amount
of all  indemnifiable  Losses  exceeding  $1,000,  or (ii) for any amount with
respect to the Shareholders in excess of $250,000.  Further,  the amount to be
paid hereunder by Seller or any or all of the  Shareholders to the Buyer shall
be reduced in the  aggregate by the amount of any  insurance  proceeds paid to
Buyer for such liability under any insurance  policies purchased by Buyer from
Seller as part of the Purchased  Assets,  as well as any proceeds  received by
Buyer from any  claims by Seller  against  third-parties,  which  claims  were
assumed by Buyer as part of the Purchased Assets.

     10.3 Indemnification by Shareholders.  Each of Shareholders,  jointly and
severally,  agrees to  indemnify  Buyer  against,  and  agrees  to hold  Buyer
harmless from, any and all Losses incurred or suffered by Buyer relating to or
arising out of or in connection with any of the following;  provided, however,
that such  indemnification  shall be the sole remedy for Buyer for any and all
such Losses:

          (a) any  breach  of or  any  inaccuracy  in  any  representation  or
     warranty made by the Seller or the  Shareholders in this Agreement or any
     document delivered at the Closing or pursuant to this Agreement; or

          (b) any breach of or failure  by any or all of  Shareholders  or the
     Seller to perform  any  covenant or  obligation  of such party set out or
     contemplated  in this Agreement or any document  delivered at the Closing
     or pursuant to this Agreement; or

          (c) any  adjustments  which result in any decrease in revenues under
     any Contracts (net of any increases in the net proceeds actually received
     by Buyer from any positive  adjustments to the Contracts)  which are made
     after the Closing  Date but which  relate to facts or a time period prior
     to the Closing Date, including but not

                                      39

<PAGE>

     limited to any  adjustments  to any  Contracts as  determined by the U.S.
     Department  of Defense  Contract  Audit Agency or any other  governmental
     audit agency.

     10.4 Indemnification by Buyer. Buyer agrees to indemnify each Shareholder
against,  and agrees to hold each of them  harmless  from,  any and all Losses
incurred or suffered  by them  relating to or arising out of or in  connection
with any of the following;  provided,  however that such indemnification shall
be the sole remedy for Shareholders for any and all such Losses:

          (a) any  breach  of or  any  inaccuracy  in  any  representation  or
     warranty made by Buyer in this Agreement or any document delivered at the
     Closing or pursuant to this Agreement; or

          (b) any breach of or failure by Buyer to  perform  any  covenant  or
     obligation  set out or  contemplated  in this  Agreement  or any document
     delivered at the Closing or pursuant to this Agreement.

     10.5 Claims.  The  provisions  of  this  Section 10.5 shall be subject to
Section 10.6. 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  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.

     10.6 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

                                      40

<PAGE>

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 Losses arising out of such claim,  suit,
action or proceeding and that the Indemnifying  Person shall be liable for the
entire  amount of any Loss,  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.

     10.7 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 Loss  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  Losses  in
connection  therewith in excess of the amount of unindemnifiable  Losses which
the  Indemnified  Person  would have been  obligated to pay under the proposed
settlement or compromise.

     10.8 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

                                      41

<PAGE>

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.

                                  ARTICLE XI

                                 MISCELLANEOUS

     11.1 Expenses.  The Seller shall pay all expenses of Shareholders and the
Seller (including  accounting and legal fees and expenses) and Buyer shall pay
all expenses of Buyer (including  attorneys' fees and expenses),  in each case
incurred in connection with this Agreement and the  transactions  contemplated
hereby;  provided,  however,  that (i) in the event the Closing does not occur
hereunder  due to a  breach  of this  Agreement  by the  Seller  or any of the
Shareholders,  then the  Seller  shall  pay for the  cost of the  audit of the
Financial  Statements;  (ii) in the event the Closing does not occur hereunder
due to any reason  other than as referred to under the  immediately  preceding
clause of this Section 11.1, then the Seller and Buyer shall equally share the
cost of the  audit of the  Financial  Statements;  and  (iii) in the event the
Closing  does  occur  hereunder,  then the Buyer  shall  assume as an  Assumed
Liability and pay for the cost of the audit of the Financial Statements. Buyer
shall pay all sales, use, stamp, transfer, service, recording, real estate and
like  taxes  or  fees,  if  any,  imposed  by any  Governmental  Authority  in
connection with the transfer and assignment of the Purchased Assets.

     11.2 Amendment.  This Agreement may be amended,  modified or supplemented
but only in writing signed by each of the parties hereto.

     11.3 Notices.  Any notice,  request,  instruction or other document to be
given  hereunder  by a party hereto shall be in writing and shall be deemed to
have been  given,  (a) when  received  if given in person or by  courier  or a
courier service,  (b) on the date of confirmed  transmission if sent by telex,
facsimile  or other wire  transmission  or (c) three (3)  Business  Days after
being  deposited in the U.S.  mail,  certified  or  registered  mail,  postage
prepaid:

         (a)      If to Shareholders, addressed as follows:

                  Richard M. Tworek
                  3856 St. Clair Court
                  Monrovia, Maryland  21770

                  and

                  Mary Margaret Styer
                  621 Springvale Road
                  Great Falls, Virginia  22066

                                      42

<PAGE>

                  Andrew M. Fregly
                  3151 K Covewood Court
                  Falls Church, Virginia  22042

                  with a copy to:

                  Robert S. Smith, Esq.
                  McGuire, Woods, Battle & Boothe, L.L.P.
                  1627 Eye Street, N.W., Suite 1000
                  Washington, D.C.  20006
                  Facsimile No.: (202) 857-1737

         (b)      If to Buyer, addressed as follows:

                  Infodata Systems Inc.
                  12150 Monument Drive, Suite 400
                  Fairfax, Virginia  22033
                  Attention: Harry Kaplowitz, President
                  Facsimile No.: (703) 934-7154

                  with a copy to:

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

         (c)      If to the Seller, addressed as follows:

                  Merex, Inc.
                  3206 Tower Oaks Boulevard, Suite 300
                  Rockville, Maryland  20852
                  Attention: Mr. Richard M. Tworek, President
                  Facsimile No.: (301) 816-0504

                  with a copy to:

                  Robert S. Smith, Esq.
                  McGuire, Woods, Battle & Boothe, L.L.P.
                  1627 Eye Street, N.W., Suite 1000
                  Washington, D.C.  20006
                  Facsimile No.: (202) 857-1737

                                      43

<PAGE>

or to such other  individual  or address as a party hereto may  designate  for
itself by notice given as herein provided.

     11.4. Counterparts.  This  Agreement  may  be  executed  in  one or  more
counterparts,  and by different parties hereto in separate counterparts,  each
of which  when so  executed  shall be  deemed  an  original,  but all of which
together shall constitute one and the same instrument.

     11.5. Interpretation.  The headings  preceding  the  text of Articles and
Sections  included in this Agreement and the headings to Exhibits  attached to
this Agreement are for  convenience  only and shall not be deemed part of this
Agreement or be given any effect in interpreting  this  Agreement.  The use of
the masculine,  feminine or neuter gender herein shall not limit any provision
of this Agreement.  The use of the terms "including" or "include" shall in all
cases  herein  mean  "including,  without  limitation"  or  "include,  without
limitation,"  respectively.  Underscored  references  to  Articles,  Sections,
Subsections  or  Exhibits  shall refer to those  portions  of this  Agreement.
Consummation  of the  transactions  contemplated  herein shall not be deemed a
waiver  of a  breach  of or  inaccuracy  in any  representation,  warranty  or
covenant  or of any  party's  rights and  remedies  with  regard  thereto.  No
specific representation, warranty or covenant contained herein shall limit the
generality  or  applicability  of a more general  representation,  warranty or
covenant  contained  herein. A breach of or inaccuracy in any  representation,
warranty or covenant  shall not be affected by the fact that any more  general
or less general representation,  warranty or covenant was not also breached or
inaccurate.

     11.6 Applicable  Law. This  Agreement  shall be governed by and construed
and enforced in  accordance  with the  internal  laws of the State of Maryland
without giving effect to the principles of conflicts of law thereof.

     11.7 Assignment.  This  Agreement  shall be binding upon and inure to the
benefit of the  parties  hereto and their  respective  estates,  heirs,  legal
representatives, successors and assigns; provided, however, that no assignment
of any rights or  obligations  shall be made by any party  hereto  without the
written  consent of each other party hereto,  except that Buyer may assign its
rights  hereunder,  but not  its  obligations,  without  such  consent  to any
Affiliate of Buyer.

     11.8 No  Third-Party  Beneficiaries.  This  Agreement  is solely  for the
benefit of the  parties  hereto  and,  to the extent  provided  herein,  their
respective  estates,  heirs,  successors,   Affiliates,  directors,  officers,
employees,  agents and  representatives,  and no provision  of this  Agreement
shall be deemed  to  confer  upon  other  third  parties  any  remedy,  claim,
liability, reimbursement, cause of action or other right.

     11.9 Publicity.  Prior to the Closing Date,  except as required by Law or
the rules of the National  Association of Securities  Dealers,  Inc. Automated
Quotation  System,  no public  announcement or other  publicity  regarding the
transactions referred to herein shall

                                      44

<PAGE>

be made by Buyer,  the  Shareholders,  the  Seller or any of their  respective
Affiliates, officers, directors, employees, representatives or agents, without
the prior  written  agreement of Buyer and  Shareholders,  in any case,  as to
form,  content,  timing and manner of distribution  or publication;  provided,
however,  that  nothing  in this  Section  shall  prevent  such  parties  from
discussing such transactions  with those Persons whose approval,  agreement or
opinion,  as the case may be, is required for  consummation of such particular
transaction or transactions.

     11.10 Severability.  If  any  provision of this  Agreement  shall be held
invalid, illegal or unenforceable, the validity, legality or enforceability of
the other provisions hereof shall not be affected thereby,  and there shall be
deemed  substituted for the provision at issue a valid,  legal and enforceable
provision as similar as possible to the provision at issue.

     11.11 Remedies  Cumulative.  Unless  otherwise  specified,  the  remedies
provided in this  Agreement  shall be  cumulative  and shall not  preclude the
assertion  or exercise of any other  rights or remedies  available  by law, in
equity or otherwise.

     11.12 Entire Understanding. This Agreement set forth the entire agreement
and  understanding  of the  parties  hereto  and  supersede  any and all prior
agreements, arrangements and understandings among the parties.

     11.13 Jurisdiction  of Disputes;  Waiver of Jury Trial. In the  event any
party to this Agreement  commences any  litigation,  proceeding or other legal
action in  connection  with or  relating  to this  Agreement,  or any  matters
described or  contemplated  herein or therein,  the parties to this  Agreement
hereby  (a) agree  under  all  circumstances  absolutely  and  irrevocably  to
institute  any  litigation,  proceeding  or other  legal  action in a court of
competent  subject matter  jurisdiction  located within the City of Rockville,
Maryland, whether a state or federal court; (b) agree that in the event of any
such litigation, proceeding or action, such parties will consent and submit to
personal  jurisdiction  in any such  court  described  in  clause  (a) of this
Section and to service of process upon them in  accordance  with the rules and
statutes  governing  service of process (it being  understood  that nothing in
this  Section  shall be deemed to prevent any party from seeking to remove any
action to a federal court in Montgomery County,  Maryland); (c) agree to waive
to the  full  extent  permitted  by law any  objection  that  they  may now or
hereafter  have to the venue of any such  litigation,  proceeding or action in
any such court or that any such  litigation,  proceeding or action was brought
in an  inconvenient  forum;  (d) agree as an alternative  method of service to
service of process in any legal proceeding by the mailing of copies thereof to
such party at its address set forth herein for communications to such party by
certified mail, return receipt requested with all applicable  postage prepaid,
with copies thereof also being sent to each such party's attorney as set forth
herein;  (e) agree that any service made as provided herein shall be effective
and binding service in every respect;  and (f) agree that nothing herein shall
affect  the  rights of any party to effect  service  of  process  in any other
manner permitted by Law. EACH PARTY HERETO WAIVES THE RIGHT TO A TRIAL BY JURY
IN ANY DISPUTE IN CONNECTION WITH OR RELATING TO THIS  AGREEMENT,  ANY RELATED
AGREEMENT OR ANY MATTERS DESCRIBED

                                      45

<PAGE>

OR  CONTEMPLATED  HEREIN  OR  THEREIN,  AND  AGREE TO TAKE ANY AND ALL  ACTION
NECESSARY OR APPROPRIATE TO EFFECT SUCH WAIVER.

     IN WITNESS  WHEREOF,  the parties hereto have caused this Agreement to be
executed and delivered as of the date first above written.

ATTEST:                                      INFODATA SYSTEMS INC.



/s/Gregory Penel                             By:/s/Harry Kaplowitz
- -----------------------------                   ---------------------------
Name:Gregory Penel                              Name: Harry Kaplowitz
Assistant Secretary                             Title:President


ATTEST:                                      MEREX, INC.



/s/Mary Margaret Styer                       By:/s/Richard M. Tworek
- -----------------------------                   ---------------------------
Name:Mary Margaret Styer                        Richard M. Tworek
Secretary                                       President


                               The Shareholders:



/s/Richard M. Tworek                            /s/Mary Margaret Styer
- -----------------------------                   ---------------------------
Richard M. Tworek                               Mary Margaret Styer
Individually                                    Individually



/s/Andrew M. Fregly
- -----------------------------
Andrew M. Fregly
Individually

                                      46



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