Document:

<PAGE>

                                                                   EXHIBIT 10.22

                 AMENDMENT NO. 6A TO LOAN AND SECURITY AGREEMENT

          AMENDMENT NO. 6A dated as of August 1, 2002 to LOAN AND SECURITY
AGREEMENT dated as of December 14, 2000 among COMFORCE CORPORATION, COMFORCE
OPERATING, INC. (the "Holding Companies"), certain direct and indirect
subsidiaries of the Holding Companies and UNIFORCE SERVICES, INC. (the "Other
Loan Parties"), the Lenders whose signatures appear below, TRANSAMERICA BUSINESS
CAPITAL CORPORATION (as successor to TRANSAMERICA BUSINESS CREDIT CORPORATION),
as Co-Agent (the "Co-Agent"), THE CIT GROUP/BUSINESS CREDIT, INC., as Collateral
Agent (the "Collateral Agent") and IBJ WHITEHALL BUSINESS CREDIT CORPORATION, as
Administrative Agent for the benefit of itself and the Lenders (the
"Administrative Agent").

                              PRELIMINARY STATEMENT

(1)       The Holding Companies, the Other Loan Parties, the Co-Agent, the
          Collateral Agent, the Administrative Agent, and the Lenders (as
          defined therein) have entered into a Loan and Security Agreement dated
          as of December 14, 2000, as amended by Amendment No. 1 thereto dated
          as of January 5, 2001, Amendment No. 2 thereto dated as of March 5,
          2001, Amendment No. 3 thereto dated as of September 21, 2001,
          Amendments No. 4 and No. 5 thereto each dated as of December 7, 2001,
          and Amendment No. 6 (the "Original Amendment No. 6") thereto dated as
          of May 10, 2002 (the "Original Loan and Security Agreement"; terms
          defined in the Original Loan and Security Agreement and not otherwise
          defined herein shall have the meanings assigned thereto in the
          Original Loan and Security Agreement).

(2)       The Loan Parties, and Lenders desire to amend the Original Loan and
          Security Agreement and the Original Amendment No. 6 as provided
          herein.

          NOW, THEREFORE, in consideration of the premises set forth herein, the
Loan Parties and the Lenders hereby agree as follows:

1.        Amendments to the Original Loan and Security Agreement. The Original
          Loan and Security Agreement is, subject to the satisfaction of the
          conditions referred to below, amended as follows:

          (a)  the following definitions are added to subsection 1.1 of the
               Original Loan and Security Agreement in their respective proper
               alphabetical places:

               "'Amendment No. 6A' shall mean Amendment No. 6A, dated as of
               August 1, 2002, of this Agreement."

               "'Amendment No. 6A Effective Date' shall mean the date on which
               the amendments contemplated by Amendment No. 6A become
               effective."

          (b)  the following definitions appearing in subsection 1.1 of the
               Original Loan and Security Agreement are amended and restated as
               follows:

               "'Special Condition I Satisfaction Date' shall mean, the date, if
               any, on which Administrative Agent is satisfied that the
               following conditions have been satisfied in full on or prior to
               September 2, 2002:

                                       -1-

<PAGE>

               (i)     on or prior to August 12, 2002, the Borrowers shall have
                       delivered to the Lenders, Administrative Agent and
                       Collateral Agent a risk acceptance criteria presentation,
                       in form and substance reasonably satisfactory to the
                       Requisite Lenders and, in any event, noting specific
                       credit procedures that COI's credit committee will follow
                       in the analysis of prospective and/or existing Account
                       Sellers to ensure the preservation of the Borrowers'
                       overall credit quality in relation to Purchased Accounts
                       and such presentation, credit policy and procedures shall
                       have been reviewed by a third party consultant
                       satisfactory to Administrative Agent, Collateral Agent
                       and COI shall have implemented any recommendations of
                       such consultant;

               (ii)    Administrative Agent, Collateral Agent and the Lenders
                       shall have received from the Borrowers a detailed report
                       noting the amount of chargebacks outstanding for each
                       Account Debtor and Account Seller and the amount of cash
                       that has been applied to such chargebacks, and such
                       report shall be acceptable to the Requisite Lenders; and

               (iii)   Administrative Agent and Collateral Agent shall be
                       satisfied that the Borrowers have installed a separate
                       telephone line for verification of amounts owing by the
                       account debtors in respect of Purchased Accounts."

2.        Amendments to the Original Amendment No. 6. The Original Amendment No.
          6 is, subject to the satisfaction of the conditions referred to below,
          amended as follows:

          (a)  paragraph 5 of the Original Amendment No. 6 titled "Special
               Condition I Non-Satisfaction Fee" is deleted.

3.        Representations and Warranties. Each Loan Party represents and
          warrants (which representations and warranties shall survive the
          execution and delivery hereof) to the Lenders that:

          (a)  no consent of any other person, including, without limitation,
               shareholders or creditors of any Loan Party is required to
               authorize, or is otherwise required in connection with the
               execution, delivery and performance of this Amendment No. 6A;

          (b)  this Amendment No. 6A has been duly executed and delivered by a
               duly authorized officer of each Loan Party, and constitutes the
               legal, valid and binding obligations of such Loan Party,
               enforceable against such party in accordance with its terms,
               except as enforcement thereof may be subject to the effect of any
               applicable (i) bankruptcy, insolvency, reorganization, moratorium
               or similar law affecting creditors' rights generally and (ii)
               general principles of equity (regardless of whether enforcement
               is sought in a proceeding in equity or at law); and

          (c)  the execution, delivery and performance of this Amendment No. 6A
               will not violate any law, statute or regulation applicable to any
               Loan Party, or any order or decree of any court or governmental
               instrumentality applicable to such company, or conflict with, or
               result in the breach of, or constitute a default under any
               contractual obligation of such company, including the Loan
               Documents.

4.        Effectiveness. The foregoing amendments contained in this Amendment
          No. 6A to the Original Loan and Security Agreement and to the Original
          Amendment No. 6 shall become effective upon

                                       -2-

<PAGE>

          the satisfaction in full of the following conditions on a date (the
          "Effective Date") on or before August 1, 2002:

          (a)  this Amendment No. 6A shall have been executed and delivered by
               each Loan Party and the Requisite Lenders and by each Lender that
               executed and delivered the Original Amendment No. 6;

          (b)  as of the Effective Date, there shall be continuing no Default or
               Event of Default; and

          (c)  the representations made by the Loan Parties herein and in the
               Loan Documents shall be true in all respects as of the Effective
               Date (except as to any representation or warranty limited to a
               specific earlier date).

5.        Special Condition I Non-Satisfaction Fee. If Borrowers fail to satisfy
          in full the conditions specified in the definition contained in this
          Amendment No. 6A of "Special Condition I Satisfaction Date" on or
          prior to September 2, 2002, CC, COI and USI shall pay, as compensation
          to the Lenders for their increased risk, to the Administrative Agent
          for the pro rata account of the Lenders, a fee to be determined by the
          Requisite Lenders in an amount not exceeding $25,000.

6.        Governing Law. This Amendment No. 6A to the Original Loan and Security
          Agreement and to the Original Amendment No. 6 is being delivered in
          the State of New York and shall be governed by and construed in
          accordance with the laws of the State of New York.

7.        Counterparts. This Amendment No. 6A to the Original Loan and Security
          Agreement and to the Original Amendment No. 6 is being executed by the
          parties hereto in separate counterparts, each of which when so
          executed and delivered shall be deemed an original, but all of which
          counterparts together shall constitute but one and the same
          instrument.

8.        Consent. By signing below, each Loan Party consents to the execution
          and delivery of this Amendment No. 6A by each other Loan Party and
          agrees that the obligations of such Loan Party under the Loan
          Documents continue in full force and effect.

9.        Miscellaneous.

          (a)  All references in the Loan Documents to the "Loan and Security
               Agreement" and in the Original Loan and Security Agreement to
               "this Agreement," "hereof," "herein" or the like shall mean and
               refer to the Original Loan and Security Agreement as amended by
               this Amendment No. 6A (as well as by all subsequent amendments,
               restatements, modifications and supplements thereto).

          (b)  All references in the Loan Documents to the "Amendment No. 6" and
               in the Original Amendment No. 6 to "this Amendment," "this
               Agreement," "hereof," "herein" or the like shall mean and refer
               to the Original Amendment No. 6 as amended by this Amendment No.
               6A (as well as by all subsequent amendments, restatements,
               modifications and supplements thereto).

                            [SIGNATURE PAGES FOLLOW]

                                       -3-

<PAGE>

          IN WITNESS WHEREOF, the Loan Parties, the Lenders, the Co-Agent, the
Collateral Agent and the Administrative Agent have caused this Amendment No. 6A
to the Original Loan and Security Agreement and the Original Amendment No. 6 to
be executed as of the day and year first written above.

Holding Parties:             COMFORCE CORPORATION
                             COMFORCE OPERATING, INC.

Borrowers:                   BRENTWOOD OF CANADA, INC.
                             BRENTWOOD SERVICE GROUP, INC.
                             BXI NET, INC.
                             CAMELOT COMMUNICATIONS GROUP, INC.
                             CAMELOT CONTROL GROUP, INC.
                             CLINICAL LABFORCE OF AMERICA, INC.
                             COMFORCE CODING SERVICES, INC.
                             COMFORCE INFORMATION TECHNOLOGIES, INC.
                             COMFORCE TECHNICAL ADMINISTRATIVE SERVICES, INC.
                             COMFORCE TECHNICAL NW, INC. (as successor to
                              LABFORCE OF AMERICA, INC.)
                             COMFORCE TECHNICAL SERVICES, INC.
                             COMFORCE TELECOM, INC.
                             GERRI G., INC.
                             LABFORCE SERVICES OF AMERICA, INC.
                             PRO SERVICES, INC.
                             PRO UNLIMITED, INC.
                             PRO UNLIMITED SERVICES, INC.
                             SUMTEC CORPORATION
                             TEMPORARY HELP INDUSTRY SERVICING COMPANY, INC.
                             THISCO OF CANADA, INC.
                             UNIFORCE PAYROLLING SERVICES, INC.
                             UNIFORCE PAYROLLING TRI-STATE INC.
                             UNIFORCE SERVICES, INC.
                             UNIFORCE STAFFING SERVICES, INC.

Inactive Subsidiaries:       COMFORCE ACQUISITION 1 CORP.
                             COMFORCE P-T-P SERVICES, INC.

                    [Signatures Continued on Following Page]

<PAGE>

                   [SIGNATURE PAGE 1 OF 2 TO AMENDMENT NO. 6A]

                                        For each of the foregoing corporations:

                                        By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                        IBJ WHITEHALL BUSINESS CREDIT
                                        CORPORATION, as Administrative Agent and
                                        Lender

                                        By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                        Revolving Loan Commitment:
                                        $17,272,727.00

                                        THE CIT GROUP/BUSINESS CREDIT, INC.,
                                        as Collateral Agent and Lender

                                        By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                        Revolving Loan Commitment:
                                        $17,272,727.00

                                        TRANSAMERICA BUSINESS CAPITAL
                                        CORPORATION (as successor to
                                        Transamerica Business Credit
                                        Corporation), as Co-Agent and Lender

                                        By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                        Revolving Loan Commitment:
                                        $17,272,727.00

                    [Signatures Continued on Following Page]

<PAGE>

                   [SIGNATURE PAGE 2 OF 2 TO AMENDMENT NO. 6A]

                                        FLEET CAPITAL CORPORATION, as Lender

                                        By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                        Revolving Loan Commitment:
                                        $12,954,546.00

                                        JPMORGAN CHASE BANK (formerly known as
                                        The Chase Manhattan Bank), as Lender

                                        By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                        Revolving Loan Commitment:
                                        $12,954,546.00

                                        LASALLE BUSINESS CREDIT, INC., as Lender

                                        By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                        Revolving Loan Commitment:
                                        $10,795,454.00

                                        GUARANTY BUSINESS CREDIT
                                        CORPORATION, as Lender

                                        By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                        Revolving Loan Commitment:
                                        $6,477,273.00<PAGE>

                                                                   EXHIBIT 10.23

                 AMENDMENT NO. 6B TO LOAN AND SECURITY AGREEMENT

        AMENDMENT NO. 6B dated as of September 19, 2002 to LOAN AND SECURITY
AGREEMENT dated as of December 14, 2000 among COMFORCE CORPORATION, COMFORCE
OPERATING, INC. (the "Holding Companies"), certain direct and indirect
subsidiaries of the Holding Companies and UNIFORCE SERVICES, INC. (the "Other
Loan Parties"), the Lenders whose signatures appear below, TRANSAMERICA BUSINESS
CAPITAL CORPORATION (as successor to TRANSAMERICA BUSINESS CREDIT CORPORATION),
as Co-Agent (the "Co-Agent"), THE CIT GROUP/BUSINESS CREDIT, INC., as Collateral
Agent (the "Collateral Agent") and WHITEHALL BUSINESS CREDIT CORPORATION (as
successor to IBJ WHITEHALL BUSINESS CREDIT CORPORATION), as Administrative Agent
for the benefit of itself and the Lenders (the "Administrative Agent").

                              PRELIMINARY STATEMENT

(1)     The Holding Companies, the Other Loan Parties, the Co-Agent, the
        Collateral Agent, the Administrative Agent, and the Lenders (as defined
        therein) have entered into a Loan and Security Agreement dated as of
        December 14, 2000, as amended by Amendment No. 1 thereto dated as of
        January 5, 2001, Amendment No. 2 thereto dated as of March 5, 2001,
        Amendment No. 3 thereto dated as of September 21, 2001, Amendments No. 4
        and No. 5 thereto each dated as of December 7, 2001, Amendment No. 6
        thereto dated as of May 10, 2002, and Amendment No. 6A (the "Original
        Amendment No. 6A") thereto dated as of August 1, 2002 (the "Original
        Loan and Security Agreement"; terms defined in the Original Loan and
        Security Agreement and not otherwise defined herein shall have the
        meanings assigned thereto in the Original Loan and Security Agreement).

(2)     The Loan Parties, and Lenders desire to amend the Original Loan and
        Security Agreement and the Original Amendment No. 6A as provided herein.

        NOW, THEREFORE, in consideration of the premises set forth herein, the
Loan Parties and the Lenders hereby agree as follows:

1.      Amendments to the Original Loan and Security Agreement. The Original
        Loan and Security Agreement is, subject to the satisfaction of the
        conditions referred to below, amended effective as of September 1, 2002
        as follows:

        (a)     in accordance with subsection 7.6(A) of the Original Loan and
                Security Agreement, COMFORCE Acquisition 1 Corp. has been
                dissolved into another Subsidiary of a Borrower and is therefore
                no longer an "Inactive Subsidiary" as defined therein.

        (b)     the following definitions are added to subsection 1.1 of the
                Original Loan and Security Agreement in their respective proper
                alphabetical places:

                "'Amendment No. 6B' shall mean Amendment No. 6B, dated as of
                September 1, 2002, of this Agreement."

                "'Amendment No. 6B Effective Date' shall mean the date as of
                which the amendments contemplated by Amendment No. 6B become
                effective."

                                       -1-

<PAGE>

        (c)     the following definitions appearing in subsection 1.1 of the
                Original Loan and Security Agreement are amended and restated as
                follows:

                "'Administrative Agent's Account' means ABA No. 211170101,
                Account No. 9496576 at Webster Bank, Reference: Whitehall
                Business Credit Corporation - Client: Comforce Corporation."

                "'Bank' means Webster Bank."

                "'Special Condition I Satisfaction Date' shall mean, the date,
                if any, on which Administrative Agent is satisfied that the
                following conditions have been satisfied in full on or prior to
                October 2, 2002:

                (i)     the Borrowers shall have delivered to the Lenders,
                        Administrative Agent and Collateral Agent a risk
                        acceptance criteria presentation, in form and substance
                        reasonably satisfactory to the Requisite Lenders and, in
                        any event, noting specific credit procedures that COI's
                        credit committee will follow in the analysis of
                        prospective and/or existing Account Sellers to ensure
                        the preservation of the Borrowers' overall credit
                        quality in relation to Purchased Accounts and such
                        presentation, credit policy and procedures shall have
                        been reviewed by a third party consultant satisfactory
                        to Administrative Agent, Collateral Agent and COI shall
                        have implemented any recommendations of such consultant;

                (ii)    Administrative Agent, Collateral Agent and the Lenders
                        shall have received from the Borrowers a detailed report
                        noting the amount of chargebacks outstanding for each
                        Account Debtor and Account Seller and the amount of cash
                        that has been applied to such chargebacks, and such
                        report shall be acceptable to the Requisite Lenders; and

                (iii)   Administrative Agent and Collateral Agent shall be
                        satisfied that the Borrowers have installed a separate
                        telephone line for verification of amounts owing by the
                        account debtors in respect of Purchased Accounts."

        (d)     the notice information for the Administrative Agent in
                subsection 10.4 of the Original Loan and Security Agreement is
                amended and restated as follows:

                "If to Administrative Agent:

                        WHITEHALL BUSINESS CREDIT CORPORATION
                        One State Street
                        New York, New York 10004

                        Attn: Christopher Hill
                        Telecopy No.: (212) 806-4530

                With a copy to:

                        CLIFFORD CHANCE US LLP
                        200 Park Avenue New York,
                        New York 10166-0153

                        Attn: Robert S. Finley
                        Telecopy No.: (212) 878-8375"

                                       -2-

<PAGE>

2.      Amendments to the Original Amendment No. 6A. The Original Amendment No.
        6A is, subject to the satisfaction of the conditions referred to below,
        amended effective as of September 1, 2002 as follows:

        (a)     the "Special Condition I Non-Satisfaction Fee" in paragraph 5 of
                the Original Amendment No. 6A is amended and restated as
                follows:

        "Special Condition I Non-Satisfaction Fee. If Borrowers fail to satisfy
        in full the conditions specified in the definition contained in this
        Amendment No. 6B of "Special Condition I Satisfaction Date" on or prior
        to October 2, 2002, CC, COI and USI shall pay, as compensation to the
        Lenders for their increased risk, to the Administrative Agent for the
        pro rata account of the Lenders, a fee to be determined by the Requisite
        Lenders in an amount not exceeding $25,000."

3.      Representations and Warranties. Each Loan Party represents and warrants
        (which representations and warranties shall survive the execution and
        delivery hereof) to the Lenders that:

        (a)     no consent of any other person, including, without limitation,
                shareholders or creditors of any Loan Party is required to
                authorize, or is otherwise required in connection with the
                execution, delivery and performance of this Amendment No. 6B;

        (b)     this Amendment No. 6B has been duly executed and delivered by a
                duly authorized officer of each Loan Party, and constitutes the
                legal, valid and binding obligations of such Loan Party,
                enforceable against such party in accordance with its terms,
                except as enforcement thereof may be subject to the effect of
                any applicable (i) bankruptcy, insolvency, reorganization,
                moratorium or similar law affecting creditors' rights generally
                and (ii) general principles of equity (regardless of whether
                enforcement is sought in a proceeding in equity or at law); and

        (c)     the execution, delivery and performance of this Amendment No. 6B
                will not violate any law, statute or regulation applicable to
                any Loan Party, or any order or decree of any court or
                governmental instrumentality applicable to such company, or
                conflict with, or result in the breach of, or constitute a
                default under any contractual obligation of such company,
                including the Loan Documents.

4.      Effectiveness. The foregoing amendments contained in this Amendment No.
        6B to the Original Loan and Security Agreement and to the Original
        Amendment No. 6A shall become effective as of September 1, 2002 upon the
        satisfaction in full of the following conditions on a date (the
        "Satisfaction Date") on or before September 19, 2002:

        (a)     this Amendment No. 6B shall have been executed and delivered by
                each Loan Party and the Requisite Lenders;

        (b)     as of the Satisfaction Date, there shall be continuing no
                Default or Event of Default; and

        (c)     the representations made by the Loan Parties herein and in the
                Loan Documents shall be true in all respects as of the
                Satisfaction Date (except as to any representation or warranty
                limited to a specific earlier date).

5.      Governing Law. This Amendment No. 6B to the Original Loan and Security
        Agreement and to the Original Amendment No. 6A is being delivered in the
        State of New York and shall be governed by and construed in accordance
        with the laws of the State of New York.

                                       -3-

<PAGE>

6.      Counterparts. This Amendment No. 6B to the Original Loan and Security
        Agreement and to the Original Amendment No. 6A is being executed by the
        parties hereto in separate counterparts, each of which when so executed
        and delivered shall be deemed an original, but all of which counterparts
        together shall constitute but one and the same instrument.

7.      Consent. By signing below, each Loan Party consents to the execution and
        delivery of this Amendment No. 6B by each other Loan Party and agrees
        that the obligations of such Loan Party under the Loan Documents
        continue in full force and effect.

8.      Miscellaneous.

        (a)     All references in the Loan Documents to the "Loan and Security
                Agreement" and in the Original Loan and Security Agreement to
                "this Agreement," "hereof," "herein" or the like shall mean and
                refer to the Original Loan and Security Agreement as amended by
                this Amendment No. 6B (as well as by all subsequent amendments,
                restatements, modifications and supplements thereto).

        (b)     All references in the Loan Documents to the "Amendment No. 6A"
                and in the Original Amendment No. 6A to "this Amendment," "this
                Agreement," "hereof," "herein" or the like shall mean and refer
                to the Original Amendment No. 6A as amended by this Amendment
                No. 6B (as well as by all subsequent amendments, restatements,
                modifications and supplements thereto).

                            [SIGNATURE PAGES FOLLOW]

                                       -4-

<PAGE>

        IN WITNESS WHEREOF, the Loan Parties, the Lenders, the Co-Agent, the
Collateral Agent and the Administrative Agent have caused this Amendment No. 6B
to the Original Loan and Security Agreement and the Original Amendment No. 6A to
be executed as of the day and year first written above.

Holding Parties:           COMFORCE CORPORATION
                           COMFORCE OPERATING, INC.

Borrowers:                 BRENTWOOD OF CANADA, INC.
                           BRENTWOOD SERVICE GROUP, INC.
                           BXI NET, INC.
                           CAMELOT COMMUNICATIONS GROUP, INC.
                           CAMELOT CONTROL GROUP, INC.
                           CLINICAL LABFORCE OF AMERICA, INC.
                           COMFORCE CODING SERVICES, INC.
                           COMFORCE INFORMATION TECHNOLOGIES, INC.
                           COMFORCE TECHNICAL ADMINISTRATIVE SERVICES, INC.
                           COMFORCE TECHNICAL NW, INC. (as successor to LABFORCE
                            OF AMERICA, INC.)
                           COMFORCE TECHNICAL SERVICES, INC.
                           COMFORCE TELECOM, INC.
                           GERRI G., INC.
                           LABFORCE SERVICES OF AMERICA, INC.
                           PRO SERVICES, INC.
                           PRO UNLIMITED, INC.
                           PRO UNLIMITED SERVICES, INC.
                           SUMTEC CORPORATION
                           TEMPORARY HELP INDUSTRY SERVICING COMPANY, INC.
                           THISCO OF CANADA, INC.
                           UNIFORCE PAYROLLING SERVICES, INC.
                           UNIFORCE PAYROLLING TRI-STATE INC.
                           UNIFORCE SERVICES, INC.
                           UNIFORCE STAFFING SERVICES, INC.

Inactive Subsidiaries:     COMFORCE ACQUISITION 1 CORP.
                           COMFORCE P-T-P SERVICES, INC.

                    [Signatures Continued on Following Page]

<PAGE>

                   [SIGNATURE PAGE 1 OF 2 TO AMENDMENT NO. 6B]

                        For each of the foregoing corporations:

                        By:
                             ---------------------------------------------------
                             Name:
                             Title:

                        WHITEHALL BUSINESS CREDIT
                        CORPORATION (as successor to IBJ Whitehall
                        Business Credit Corporation), as Administrative Agent
                        and Lender

                        By:
                             ---------------------------------------------------
                             Name:
                             Title:

                        Revolving Loan Commitment:
                        $17,272,727.00

                        THE CIT GROUP/BUSINESS CREDIT, INC.,
                        as Collateral Agent and Lender

                        By:
                             ---------------------------------------------------
                             Name:
                             Title:

                        Revolving Loan Commitment:
                        $17,272,727.00

                        TRANSAMERICA BUSINESS CAPITAL
                        CORPORATION (as successor to Transamerica
                        Business Credit Corporation), as Co-Agent and
                        Lender

                        By:
                             ---------------------------------------------------
                             Name:
                             Title:

                        Revolving Loan Commitment:
                        $17,272,727.00

                    [Signatures Continued on Following Page]

<PAGE>

                   [SIGNATURE PAGE 2 OF 2 TO AMENDMENT NO. 6B]

                        FLEET CAPITAL CORPORATION, as Lender

                        By:
                             ---------------------------------------------------
                             Name:
                             Title:

                        Revolving Loan Commitment:
                        $12,954,546.00

                        JPMORGAN CHASE BANK (formerly known as
                        The Chase Manhattan Bank), as Lender

                        By:
                             ---------------------------------------------------
                             Name:
                             Title:

                        Revolving Loan Commitment:
                        $12,954,546.00

                        LASALLE BUSINESS CREDIT, INC., as Lender

                        By:
                             ---------------------------------------------------
                             Name:
                             Title:

                        Revolving Loan Commitment:
                        $10,795,454.00

                        GUARANTY BUSINESS CREDIT
                        CORPORATION, as Lender

                        By:
                             ---------------------------------------------------
                             Name:
                             Title:

                        Revolving Loan Commitment:
                        $6,477,273.00

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