Amendment No. 2 to                                           Dated
Credit Agreement                                             September 22, 1999
                                 AMENDMENT NO. 2
                                       TO
                                CREDIT AGREEMENT

     Amendment  No. 2, dated  September  22, 1999 (the  "Amendment"),  to Credit
Agreement, dated as of December 18, 1998 (this "Agreement"),  is entered into by
and among MLC HOLDINGS,  INC., a Delaware corporation  ("Holdings"),  MLC GROUP,
INC.,  a  Virginia  corporation  ("MLC"),  and MLC  FEDERAL,  INC.,  a  Virginia
corporation  ("Federal")  as  borrowers   (collectively,   the  "Borrowers"  and
individually,  a "Borrower"),  the banking institutions  signatories thereto and
named in Exhibit A attached to the  Agreement and such other  institutions  that
hereafter   become  a  "Bank"   pursuant  to  Sectrion  11.4  of  the  Agreement
(collectively,  the "Banks" and individually, a "Bank") and First Union National
Bank, a national banking association, as agent for the Banks under the Agreement
("First  Union,"  which  shall mean its  capacity as agent  unless  specifically
stated otherwise).

                              Preliminary Statement

     WHEREAS,  the  Borrowers,  the Banks and  First  Union  desire to amend the
Agreement in the manner hereinafter set forth.

     WHEREAS, Riggs Bank N.A. wishes to cease its participation in the credit
facility provided by the Agreement, terminate its Loan Commitment and have its
Note paid in full.

     WHEREAS, the Borrowers, the Banks (other than Riggs Bank N.A.) are in
agreement with the wishes of Riggs Bank N.A.

     NOW, THEREFORE,  in consideration of the premises and promises  hereinafter
set forth and intending to be legally bound hereby,  the parties hereto agree as
follows:

     1. Section 1.1 of Agreement.  The definition of "Eligible Lease" in Section
1.1 of the  Agreement  shall  be and is  hereby  amended  to add  the  following
sentence at the end thereof:

     "For purposes of the definition of Eligible Lease,  leases  aggregating not
     more than  $35,000,000  purchased on or about  September 30, 1999 from CLG,
     Inc. shall not be deemed ineligible on the basis that they did not arise on
     the ordinary  course of business of a Borrower,  provided  that such leases
     otherwise  conform with the requirements of an "Eligible Lease" and conform
     with the underwriting guidelines of the Borrowers."

     2. Section 1.1 of Agreement.  The  definition of "Eligible  Receivable"  in
Section 1.1 of the Agreement shall be and is hereby amended to add the following
sentence at the end thereof:

     "For  purposes  of  the  definition  of  Eligible  Receivable,  receivables
     aggregating  not more than  $3,500,000  purchased on or about September 30,
     1999 from CLG, Inc.  shall not be deemed  ineligible on the basis that they
     did not arise on the  ordinary  course of business of a Borrower,  provided
     that  such  receivables  otherwise  conform  with  the  requirements  of an
     "Eligible  Receivable" and conform with the underwriting  guidelines of the
     Borrowers."

     3. Section 6.9 of Agreement.  Section 6.9 of the Agreement  shall be and is
hereby amended to add the following sentence at the end thereof:

    "Notwithstanding  that  the  purchase  by one or more of the  Borrowers  of
     leases,  equipment  and/or  receivables on or about September 30, 1999 from
     CLG,  Inc.  may  not  be in the  ordinary  course  of  such  Borrower's  or
     Borrowers'  business or  businesses  such  purchase or  purchases  shall be
     permitted,  provided  that such  purchase or purchases  are pursuant to the
     reasonable  requirements  of  the  Borrower's  or  Borrowers'  business  or
     businesses and is otherwise in good faith and upon commercially  reasonable
     terms."

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     4.  Exhibit  A to  Agreement.  Exhibit A to the  Agreement  shall be and is
hereby amended and restated to be in the form and substance attached hereto.

     5.  Representations  and  Warranties.  The Borrowers  hereby affirm all the
representations and warranties made in the Agreement,  including but not limited
to Article 3 thereof,  on and as of the date  hereof as if  originally  given on
this date.

     6. Covenants. The Borrowers hereby confirm that they are in compliance with
and have  complied  with each and  every  covenant  set forth in the  Agreement,
including but not limited to Articles 5, 6 and 7 thereof,  on and as of the date
hereof.

     7.   Affirmation.   The  Borrowers   hereby   affirm  their   absolute  and
unconditional  promise to pay to each Bank and First  Union  National  Bank,  as
agent  under  the  Agreement,  the Loans  and all  other  amounts  due under the
Agreement  and any other Loan Document on the maturity  date(s)  provided in the
Agreement or any other Loan Document, as such documents may be amended hereby.

     8. Corporate Authorization and Delivery of Documents.  Each Bank shall have
received (a) a  certificate  signed by the  secretary or assistant  secretary of
each  Borrower  certifying  all  action  taken by each  Borrower  and any  other
necessary  Person to authorize  this  Amendment,  the  incumbency of the persons
signing this amendment,  and attaching any resolutions  adopted by each Borrower
in connection with said  authorization,  and (b) and such other documents as any
Bank shall require.

     9. Effect of Amendment.  This  Amendment  amends the Agreement  only to the
extent  and in the  manner  herein  set  forth,  and in all other  respects  the
Agreement is ratified and confirmed.

     10.  Reallocation of Loans.  Promptly  following the  effectiveness of this
Amendment  including but not limited to the delivery to each Bank of its Note in
the amount of its Loan  Commitment  as set forth in Exhibit A hereto,  the Agent
shall  coordinate with each of the Banks (a) to provide for funding by {new bank
to be added} of Loans to the Borrowers under the Credit  Agreement,  as amended,
equal to its proportionate share of the aggregate principal amount of Loans then
outstanding  to  the  Borrowers  based  on its  Commitment  Percentage  and  (b)
application  of the proceeds of such Loans to  repayment to the other Banks,  it
their individual  capacities,  of Loans by each of them then in effect such that
the  aggregate  Loans of each Bank shall not exceed the  proportionate  share of
each Bank based on its Commitment  Percentage applied to the aggregate principal
amount of outstanding Loans by the Banks to the Borrowers on such date.

     11.   Counterparts.   This  Amendment  may  be  signed  in  any  number  of
counterparts, each of which shall be an original, with the same effect as if the
signatures hereto were upon the same instrument.


                                      -2-


     IN WITNESS  WHEREOF,  the parties hereto have each caused this Amendment to
be duly executed by their duly authorized  representatives  as of the date first
above written.


                                MLC HOLDINGS, INC.


                                By: ______________________________
                                Name:
                                Title:

                                MLC GROUP, INC.


                                By: ______________________________
                                Name:
                                Title:

                                MLC FEDERAL, INC.


                                By: ______________________________
                                Name:
                                Title:


                                FIRST UNION NATIONAL BANK, for itself
                                and as Agent

                                By: ______________________________
                                Name:
                                Title:

                                BANK LEUMI USA

                                By: ______________________________
                                Name:
                                Title:


                                RIGGS BANK N.A.

                                By: ______________________________
                                Name:
                                Title:

                                WACHOVIA BANK, N.A.

                                By: ______________________________
                                Name:
                                Title:

                                SUMMIT BANK

                                By: ______________________________
                                Name:
                                Title:

                                KEYBANK NATIONAL ASSOCIATION

                                By: ______________________________
                                Name:
                                Title:

                                      -3-


                                                                       EXHIBIT A

                     Bank' Loan Commitments and Percentages

                                                                   Rounded
         Bank                            Commitment              Percentage

First Union National Bank               $25,000,000                  32%
Lease Finance Group
PA 4827
1339 Chestnut Street - 12th Floor
Philadelphia, PA 19107
Fax No. 215-973-6900

Bank Leumi USA                          $10,000,000                  16%
562 Fifth Avenue
New York, NY 10036
Fax No. 212-626-1329

Summit Bank                             $10,000,000                  16%
750 Walnut Avenue
Cranford, NJ 07016
Fax No.  908-709-5466

Wachovia Bank, N.A.                      $7,000,000                  11%
227 Fayetteville Street
Raleigh, NC 27601
Fax No. 919-755-7722

KeyBank National Association            $11,500,000                  18%
34 North Main Street
Dayton, OH 45402
Fax No.  937-586-7695
                                         ___________                _____

                                        $63,500,000                 100%


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