Document:

<PAGE>   1
                                                                    EXHIBIT 10.2

              AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT
                      [Pelican State Supply Company, Inc.]

     THIS AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT (this
"Amendment") is made and entered into this 10th day of August, 2000, to be
effective as of the respective date herein indicated, by and between PELICAN
STATE SUPPLY COMPANY, INC., a Nevada corporation ("Borrower"), and FLEET CAPITAL
CORPORATION, a Rhode Island corporation ("Lender").

                                    RECITALS

     A. Borrower and Lender have entered into that certain Loan and Security
Agreement, dated as of May 29, 1997 (as amended, the "Loan Agreement").

     B. Borrower and Lender desire to amend the Loan Agreement and the other
Loan Documents as hereinafter set forth.

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

                                    AGREEMENT

                                    ARTICLE I
                                   DEFINITIONS

     1.01 Capitalized terms used in this Amendment are defined in the Loan
Agreement, as amended hereby, unless otherwise stated.

                                   ARTICLE II
                          AMENDMENTS TO LOAN AGREEMENT

     Effective as of the respective date herein indicated, the Loan Agreement is
hereby amended as follows:

     2.01 ADDITION OF A NEW SECTION 2.5. Effective as of the date of execution
of this Amendment, a new Section 2.5 Audit and Appraisal Fees; Annual Servicing
Fee is added to the Loan Agreement to read as follows:

          "2.5 Audit and Appraisal Fees; Annual Servicing Fee. Borrower shall
     reimburse Lender for all reasonable out-of-pocket costs and expenses
     incurred by Lender in connection with audits and appraisals of Borrower's
     books and records and such other matters as Lender shall deem appropriate.
     In connection with any audit by Lender of Borrower's books and records
     and/or of the books and records of DXP Acquisition, Inc. d/b/a Strategic
     Acquisition, Inc. and/or of Sepco, Bayou, and American MRO, Borrower shall
     also pay Lender an aggregate per diem fee of Six Hundred Fifty Dollars
     ($650). All such out-of-pocket costs, fees and expenses shall be payable on
     demand."

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 1

<PAGE>   2

     2.02 AMENDMENT TO SECTION 3.3(A) OF THE LOAN AGREEMENT. Effective as of the
date of execution of this Amendment, Section 3.3(A) of the Loan Agreement is
hereby amended by deleting therefrom the reference to the date "April 1, 2001"
and substituting therefor the date "July 1, 2001."

     2.03 AMENDMENT AND RESTATEMENT OF SECTION 3.3(D) OF THE LOAN AGREEMENT.
Effective as of the date of execution of this Amendment, Section 3.3(D) of the
Loan Agreement is amended and restated to read in its entirety as follows:

          "At the effective date of any termination of this Agreement, Borrower
     shall pay to Lender (in addition to the then outstanding principal, accrued
     interest and other charges owing under this Agreement and any of the Other
     Agreements), as liquidated damages for the loss of the bargain and not as a
     penalty, an amount equal to 0.5% of the highest of the Average Monthly Loan
     Balances outstanding pursuant to Section 2.1 during the twelve month period
     ending on the date of termination. If termination occurs on the last day of
     the Original Term or the last day of any Renewal Term, no termination
     charge shall be payable."

                                   ARTICLE III
                                    NO WAIVER

     3.01 Borrower has informed Lender that Borrower has violated the financial
covenants contained in Sections 9.3(A), (B), (C) and (D) of the Loan Agreement
for the relevant fiscal period ending June 30, 2000, and has requested that
Lender waive such violations. Subject to the satisfaction of the conditions
precedent set forth in Section 4.01 of this Amendment and to the other terms,
conditions and provisions of this Amendment, the Lender hereby waives each of
the above-described Sections of the Loan Agreement; provided, however, that the
waiver described in this Section 3.01 of this Amendment is strictly limited to
the Sections of the Loan Agreement described above and to the specific
occurrences described above. Except as otherwise specifically provided for in
this Amendment, nothing contained herein shall be construed as a waiver by
Lender of any covenant or provision of the Loan Agreement, the Other Agreements,
this Amendment or of any other contract or instrument between Borrower and
Lender, and the failure of Lender at any time or times hereafter to require
strict performance by Borrower of any provision thereof shall not waive, affect
or diminish any right of Lender to thereafter demand strict compliance
therewith. Lender hereby reserves all rights granted under the Loan Agreement,
the Other Agreement, this Amendment and any other contract or instrument between
Borrower and Lender.

                                   ARTICLE IV
                              CONDITIONS PRECEDENT

     4.01 CONDITIONS TO EFFECTIVENESS. The effectiveness of this Amendment is
subject to the satisfaction of the following conditions precedent in a manner
satisfactory to Lender, unless specifically waived in writing by Lender:

          (a) Lender shall have received each of the following, each in form and
     substance satisfactory to Lender, in its sole discretion, and, where
     applicable, each duly executed by each party thereto, other than Lender:

               (i) This Amendment, duly executed by Lender, together with the
          relevant Consent, Ratification, and Amendment, respectively duly
          executed by Sepco Industries,

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 2

<PAGE>   3

          Inc., Bayou Pumps, Inc., American MRO, Inc., DXP Acquisition, Inc.
          d/b/a Strategic Acquisition, Inc. and DXP Enterprises, Inc.; and

               (ii) All other documents Lender may request with respect to any
          matter relevant to this Amendment or the transactions contemplated
          hereby;

          (b) The representations and warranties contained herein and in the
     Loan Agreement and the other Loan Documents, as each is amended hereby,
     shall be true and correct as of the date hereof, as if made on the date
     hereof;

          (c) No Default or Event of Default shall have occurred and be
     continuing, unless such Default or Event of Default has been otherwise
     specifically waived in writing by Lender; and

          (d) All corporate proceedings taken in connection with the
     transactions contemplated by this Amendment and all documents, instruments
     and other legal matters incident thereto shall be satisfactory to Lender
     and its legal counsel.

                                    ARTICLE V
                  RATIFICATIONS, REPRESENTATIONS AND WARRANTIES

     5.01 RATIFICATIONS. The terms and provisions set forth in this Amendment
shall modify and supersede all inconsistent terms and provisions set forth in
the Loan Agreement and the other Loan Documents, and, except as expressly
modified and superseded by this Amendment, the terms and provisions of the Loan
Agreement and the other Loan Documents are ratified and confirmed and shall
continue in full force and effect. Each Borrower and Lender agree that the Loan
Agreement and the other Loan Documents, as amended hereby, shall continue to be
legal, valid, binding and enforceable in accordance with their respective terms.

     5.02 REPRESENTATIONS AND WARRANTIES. Borrower hereby represents and
warrants to Lender that (a) the execution, delivery and performance of this
Amendment and any and all other Loan Documents executed and/or delivered in
connection herewith have been authorized by all requisite corporate action on
the part of Borrower and will not violate the Articles of Incorporation or
Bylaws of Borrower; (b) attached hereto as Annex A is a true, correct and
complete copy of presently effective resolutions of Borrower's Board of
Directors authorizing the execution, delivery and performance of this Amendment
and any and all other Loan Documents executed and/or delivered in connection
herewith, certified by the Assistant Secretary of Borrower; (c) the
representations and warranties contained in the Loan Agreement, as amended
hereby, and any other Loan Documents are true and correct on and as of the date
hereof and on and as of the date of execution hereof as though made on and as of
each such date; (d) no Default or Event of Default under the Loan Agreement, as
amended hereby, has occurred and is continuing, unless such Default or Event of
Default has been specifically waived in writing by Lender; (e) Borrower is in
full compliance with all covenants and agreements contained in the Loan
Agreement and the other Loan Documents, as amended hereby; and (f) Borrower has
not amended its Articles of Incorporation or its Bylaws since the date of the
Loan Agreement.

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 3

<PAGE>   4

                                   ARTICLE VI
                            MISCELLANEOUS PROVISIONS

     6.01 SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All representations and
warranties made in the Loan Agreement or any other Loan Documents, including,
without limitation, any document furnished in connection with this Amendment,
shall survive the execution and delivery of this Amendment and the other Loan
Documents, and no investigation by Lender or any closing shall affect the
representations and warranties or the right of Lender to rely upon them.

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

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

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

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

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

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

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

     6.09 APPLICABLE LAW. THIS AMENDMENT AND ALL OTHER LOAN DOCUMENTS EXECUTED
PURSUANT HERETO SHALL BE DEEMED TO HAVE BEEN MADE AND TO BE PERFORMABLE IN AND
SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF
TEXAS.

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 4

<PAGE>   5

     6.10 FINAL AGREEMENT. THE LOAN AGREEMENT AND THE OTHER LOAN DOCUMENTS, EACH
AS AMENDED HEREBY, REPRESENT THE ENTIRE EXPRESSION OF THE PARTIES WITH RESPECT
TO THE SUBJECT MATTER HEREOF ON THE DATE THIS AMENDMENT IS EXECUTED. THE LOAN
AGREEMENT AND THE OTHER LOAN DOCUMENTS, AS AMENDED HEREBY, MAY NOT BE
CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS
OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES. NO
MODIFICATION, RESCISSION, WAIVER, RELEASE OR AMENDMENT OF ANY PROVISION OF THIS
AMENDMENT SHALL BE MADE, EXCEPT BY A WRITTEN AGREEMENT SIGNED BY BORROWER AND
LENDER.

     6.11 RELEASE. BORROWER HEREBY ACKNOWLEDGES THAT IT HAS NO DEFENSE,
COUNTERCLAIM, OFFSET, CROSS-COMPLAINT, CLAIM OR DEMAND OF ANY KIND OR NATURE
WHATSOEVER THAT CAN BE ASSERTED TO REDUCE OR ELIMINATE ALL OR ANY PART OF ITS
LIABILITY TO REPAY THE "OBLIGATIONS" OR TO SEEK AFFIRMATIVE RELIEF OR DAMAGES OF
ANY KIND OR NATURE FROM LENDER. BORROWER HEREBY VOLUNTARILY AND KNOWINGLY
RELEASES AND FOREVER DISCHARGES LENDER, ITS PREDECESSORS, AGENTS, EMPLOYEES,
SUCCESSORS AND ASSIGNS, FROM ALL POSSIBLE CLAIMS, DEMANDS, ACTIONS, CAUSES OF
ACTION, DAMAGES, COSTS, EXPENSES, AND LIABILITIES WHATSOEVER, KNOWN OR UNKNOWN,
ANTICIPATED OR UNANTICIPATED, SUSPECTED OR UNSUSPECTED, FIXED, CONTINGENT, OR
CONDITIONAL, AT LAW OR IN EQUITY, ORIGINATING IN WHOLE OR IN PART ON OR BEFORE
THE DATE THIS AMENDMENT IS EXECUTED, WHICH BORROWER MAY NOW OR HEREAFTER HAVE
AGAINST LENDER, ITS PREDECESSORS, AGENTS, EMPLOYEES, SUCCESSORS AND ASSIGNS, IF
ANY, AND IRRESPECTIVE OF WHETHER ANY SUCH CLAIMS ARISE OUT OF CONTRACT, TORT,
VIOLATION OF LAW OR REGULATIONS, OR OTHERWISE, AND ARISING FROM ANY "LOANS",
INCLUDING, WITHOUT LIMITATION, ANY CONTRACTING FOR, CHARGING, TAKING, RESERVING,
COLLECTING OR RECEIVING INTEREST IN EXCESS OF THE HIGHEST LAWFUL RATE
APPLICABLE, THE EXERCISE OF ANY RIGHTS AND REMEDIES UNDER THE LOAN AGREEMENT OR
OTHER LOAN DOCUMENTS, AND NEGOTIATION FOR AND EXECUTION OF THIS AMENDMENT.

              [The Remainder of this Page Intentionally Left Blank]

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 5

<PAGE>   6

     IN WITNESS WHEREOF, this Amendment has been executed and is effective as of
the date first written above.

                                   "BORROWER"

                                   PELICAN STATE SUPPLY COMPANY, INC.

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

                                   "LENDER"

                                   FLEET CAPITAL CORPORATION

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

ANNEXES:

A-1 - Certified Resolutions of Pelican State Supply Company, Inc.

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 6

<PAGE>   7

                                    ANNEX A-1

                            CERTIFIED RESOLUTIONS OF
             PELICAN STATE SUPPLY COMPANY, INC.'S BOARD OF DIRECTORS

     RESOLVED: That any officer of Pelican State Supply Company, Inc., a Nevada
corporation (the "Corporation"), acting alone, by his signature be, and the same
hereby is, authorized and directed, in the name of and on behalf of the
Corporation (a) to amend the Corporation's existing Loan and Security Agreement
by and between the Corporation and Fleet Capital Corporation, a Rhode Island
corporation ("Lender"), (b) to execute and deliver to Lender with such changes
in the terms and provisions thereof as the officer executing same shall, in his
sole discretion, deem advisable, (i) a certain proposed August 2000 Amendment to
Loan and Security Agreement to be executed by Corporation and Lender, a draft of
which has been reviewed and discussed by the Board of Directors of the
Corporation, and (ii) such other Loan Documents, instruments, statements and
writings as the officer or officers executing the same may deem desirable or
necessary in connection therewith, and (c) to perform such other acts as the
officer or officers performing such acts on behalf of the Corporation may deem
desirable or necessary in connection therewith; and be it

     FURTHER RESOLVED: That said agreements will benefit the Corporation, both
directly and indirectly, and are in the best interests of the Corporation; and
be it

     FURTHER RESOLVED: That said agreements and other statements in writing
executed in the name and on behalf of the Corporation by any officer of the
Corporation shall be presumed conclusively to be the instruments, the execution
of which is authorized by these resolutions; and be it

     FURTHER RESOLVED: That the officers of the Corporation be, and the same
hereby are, authorized and directed to execute, in the name of and on behalf of
the Corporation, security agreements, financing statements, assignments,
collateral reports, loan statements, confirmations of delivery, lien statements,
pledge certificates, release certificates, removal reports, guaranties, cross-
collateralization agreements and such other writings and to take such other
actions as are necessary in their dealings with Lender, and any such papers
executed and any such actions taken by any of them prior to this time are
approved, ratified and confirmed; and be it

     FURTHER RESOLVED: That the Secretary or any Assistant Secretary of the
Corporation, by the signature of any one or more of them, be, and the same
hereby are, authorized and directed to attest the execution by the Corporation
of the papers signed pursuant to these resolutions, to affix the seal of the
Corporation thereto, if required by Lender, and to certify to Lender the
adoption of these resolutions.

                                  CERTIFICATION

     The undersigned hereby certifies that the within and foregoing resolutions
are in effect as of the date hereof, without modification, and that the person
signing the within and foregoing Amendment on behalf of the Corporation is the
duly elected officer stated below his name, that he is authorized to sign such
Amendment, and that his signature thereon is genuine.

     DATED: August ____, 2000.

                                       ----------------------------------------
                                       [Assistant] Secretary of the Corporation

CONSENT AND RATIFICATION TO
AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 1

<PAGE>   8

                      CONSENT, RATIFICATION, AND AMENDMENT

     The undersigned, SEPCO INDUSTRIES, INC., has executed that certain
Continuing Guaranty Agreement, dated May 29, 1997 (the "Guaranty"), in favor of
FLEET CAPITAL CORPORATION, a Rhode Island corporation ("Lender"). The
undersigned hereby (i) consents and agrees to the terms of the August 2000
Amendment to Loan and Security Agreement, dated on or about the date hereof (the
"Loan Amendment"), by and between Pelican State Supply Company, Inc., a Nevada
corporation, and Lender, a copy of which has been reviewed by the undersigned,
and (ii) agrees that the Guaranty shall remain in full force and effect and
shall continue to be the legal, valid and binding obligation of the undersigned
enforceable against it in accordance with its terms. Furthermore, the
undersigned hereby agrees and acknowledges that (a) the obligations,
indebtedness and liabilities arising in connection with the Loan Amendment
comprise some, but not all, of the "Obligations" as such term is used in the
Guaranty, (b) the Guaranty is an "Other Agreement", as such term is defined in
the Loan Agreement, (c) the Guaranty is not as of this date subject to any
claims, defenses or offsets, (d) nothing contained in the Loan Agreement or any
Other Agreement entered into prior to or as of the date hereof shall adversely
affect any right or remedy of Lender under the Guaranty, and (e) the execution
and delivery of the Loan Amendment shall in no way reduce, impair or discharge
any obligations of the undersigned as guarantor pursuant to the Guaranty and
shall not constitute a waiver by Lender of any of Lender's rights against the
undersigned.

     Dated: August ____, 2000.

                                      SEPCO INDUSTRIES, INC.

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

CONSENT AND RATIFICATION TO
AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 2

<PAGE>   9

                      CONSENT, RATIFICATION, AND AMENDMENT

     The undersigned, AMERICAN MRO, INC., has executed that certain Continuing
Guaranty Agreement, dated May 29, 1997 (the "Guaranty"), in favor of FLEET
CAPITAL CORPORATION, a Rhode Island corporation ("Lender"). The undersigned
hereby (i) consents and agrees to the terms of the August 2000 Amendment to Loan
and Security Agreement, dated on or about the date hereof (the "Loan
Amendment"), by and between Pelican State Supply Company, Inc., a Nevada
corporation, and Lender, a copy of which has been reviewed by the undersigned,
and (ii) agrees that the Guaranty shall remain in full force and effect and
shall continue to be the legal, valid and binding obligation of the undersigned
enforceable against it in accordance with its terms. Furthermore, the
undersigned hereby agrees and acknowledges that (a) the obligations,
indebtedness and liabilities arising in connection with the Loan Amendment
comprise some, but not all, of the "Obligations" as such term is used in the
Guaranty, (b) the Guaranty is an "Other Agreement", as such term is defined in
the Loan Agreement, (c) the Guaranty is not as of this date subject to any
claims, defenses or offsets, (d) nothing contained in the Loan Agreement or any
Other Agreement entered into prior to or as of the date hereof shall adversely
affect any right or remedy of Lender under the Guaranty, and (e) the execution
and delivery of the Loan Amendment shall in no way reduce, impair or discharge
any obligations of the undersigned as guarantor pursuant to the Guaranty and
shall not constitute a waiver by Lender of any of Lender's rights against the
undersigned.

     Dated: August ____, 2000.

                                      AMERICAN MRO, INC.

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

CONSENT AND RATIFICATION TO
AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 3

<PAGE>   10

                      CONSENT, RATIFICATION, AND AMENDMENT

         The undersigned, BAYOU PUMPS, INC., has executed that certain
Continuing Guaranty Agreement, dated May 29, 1997 (the "Guaranty"), in favor of
FLEET CAPITAL CORPORATION, a Rhode Island corporation ("Lender"). The
undersigned hereby (i) consents and agrees to the terms of the August 2000
Amendment to Loan and Security Agreement, dated on or about the date hereof (the
"Loan Amendment"), by and between Pelican State Supply Company, Inc., a Nevada
corporation, and Lender, a copy of which has been reviewed by the undersigned,
and (ii) agrees that the Guaranty shall remain in full force and effect and
shall continue to be the legal, valid and binding obligation of the undersigned
enforceable against it in accordance with its terms. Furthermore, the
undersigned hereby agrees and acknowledges that (a) the obligations,
indebtedness and liabilities arising in connection with the Loan Amendment
comprise some, but not all, of the "Obligations" as such term is used in the
Guaranty, (b) the Guaranty is an "Other Agreement", as such term is defined in
the Loan Agreement, (c) the Guaranty is not as of this date subject to any
claims, defenses or offsets, (d) nothing contained in the Loan Agreement or any
Other Agreement entered into prior to or as of the date hereof shall adversely
affect any right or remedy of Lender under the Guaranty, and (e) the execution
and delivery of the Loan Amendment shall in no way reduce, impair or discharge
any obligations of the undersigned as guarantor pursuant to the Guaranty and
shall not constitute a waiver by Lender of any of Lender's rights against the
undersigned.

         Dated:  August ____, 2000.

                                      BAYOU PUMPS, INC.

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

CONSENT AND RATIFICATION TO
AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 4

<PAGE>   11

                      CONSENT, RATIFICATION, AND AMENDMENT

     The undersigned, DXP ACQUISITION, INC. D/B/A STRATEGIC ACQUISITION, INC.,
has executed that certain Continuing Guaranty Agreement, dated June 16, 1997
(the "Guaranty"), in favor of FLEET CAPITAL CORPORATION, a Rhode Island
corporation ("Lender"). The undersigned hereby (i) consents and agrees to the
terms of the August 2000 Amendment to Loan and Security Agreement, dated on or
about the date hereof (the "Loan Amendment"), by and between Pelican State
Supply Company, Inc., a Nevada corporation, and Lender, a copy of which has been
reviewed by the undersigned, and (ii) agrees that the Guaranty shall remain in
full force and effect and shall continue to be the legal, valid and binding
obligation of the undersigned enforceable against it in accordance with its
terms. Furthermore, the undersigned hereby agrees and acknowledges that (a) the
obligations, indebtedness and liabilities arising in connection with the Loan
Amendment comprise some, but not all, of the "Obligations" as such term is used
in the Guaranty, (b) the Guaranty is an "Other Agreement", as such term is
defined in the Loan Agreement, (c) the Guaranty is not as of this date subject
to any claims, defenses or offsets, (d) nothing contained in the Loan Agreement
or any Other Agreement entered into prior to or as of the date hereof shall
adversely affect any right or remedy of Lender under the Guaranty, and (e) the
execution and delivery of the Loan Amendment shall in no way reduce, impair or
discharge any obligations of the undersigned as guarantor pursuant to the
Guaranty and shall not constitute a waiver by Lender of any of Lender's rights
against the undersigned.

     Dated: August ____, 2000.

                                      DXP ACQUISITION, INC.
                                      D/B/A STRATEGIC ACQUISITION, INC.

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

CONSENT AND RATIFICATION TO
AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 5

<PAGE>   12

                       CONSENT, RATIFICATION AND AMENDMENT

     The undersigned, DXP ENTERPRISES, INC., has executed (x) that certain
Continuing Guaranty Agreement, dated May 29, 1997 (the "Guaranty"), in favor of
FLEET CAPITAL CORPORATION, a Rhode Island corporation ("Lender"), and (y) that
certain Stock Pledge Agreement, dated as of May 29, 1997, executed by the
undersigned and Fleet (the "Security Agreement"). The undersigned hereby (i)
consents and agrees to the terms of the August 2000 Amendment to Loan and
Security Agreement, dated on or about the date hereof (the "Loan Amendment"), by
and between Pelican State Supply Company, Inc., a Nevada corporation, and
Lender, a copy of which has been reviewed by the undersigned, and (ii) agrees
that each of the Guaranty and the Security Agreement shall remain in full force
and effect and shall continue to be the legal, valid and binding obligation of
the undersigned, enforceable against it in accordance with its terms.
Furthermore, the undersigned hereby agrees and acknowledges that (a) the
obligations, indebtedness and liabilities arising in connection with the Loan
Amendment comprise some, but not all, of the "Obligations", as such term is used
in the Guaranty, and some, but not all, of the "Secured Obligations", as such
term is used in the Security Agreement, (b) each of the Guaranty and the
Security Agreement is an "Other Agreement", as such term is defined in the Loan
Agreement, (c) neither the Guaranty nor the Security Agreement is, as of the
date hereof, subject to any claims, defenses or offsets, (d) nothing contained
in the Loan Agreement or any Other Agreement entered into prior to or as of the
date hereof shall adversely affect any right or remedy of Lender under the
Guaranty or under the Security Agreement, and (e) the execution and delivery of
the Loan Amendment shall in no way reduce, impair or discharge any obligations
of the undersigned as guarantor pursuant to the Guaranty or as debtor pursuant
to the Security Agreement and shall not constitute a waiver by Lender of any of
Lender's rights against the undersigned.

     Dated: August ____, 2000.

                                      DXP ENTERPRISES, INC.

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

CONSENT AND RATIFICATION TO
AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 6<PAGE>   1
                                                                    EXHIBIT 10.3

              AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT
           [DXP Acquisition, Inc., d/b/a Strategic Acquisition, Inc.]

     THIS AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT (this
"Amendment") is made and entered into this 10th day of August, 2000, to be
effective as of the respective date herein indicated, by and between DXP
ACQUISITION, INC., D/B/A STRATEGIC ACQUISITION, INC., a Nevada corporation
("Borrower"), and FLEET CAPITAL CORPORATION, a Rhode Island corporation
("Lender").

                                    RECITALS

     A. Borrower and Lender have entered into that certain Loan and Security
Agreement, dated as of June 16, 1997 (as amended, the "Loan Agreement").

     B. Borrower and Lender desire to amend the Loan Agreement and the other
Loan Documents as hereinafter set forth.

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

                                    AGREEMENT

                                    ARTICLE I
                                   DEFINITIONS

     1.01 Capitalized terms used in this Amendment are defined in the Loan
Agreement, as amended hereby, unless otherwise stated.

                                   ARTICLE II
                          AMENDMENTS TO LOAN AGREEMENT

     Effective as of the respective date herein indicated, the Loan Agreement is
hereby amended as follows:

     2.01 ADDITION OF A NEW SECTION 2.6. Effective as of the date of execution
of this Amendment, a new Section 2.6 Audit and Appraisal Fees; Annual Servicing
Fee is added to the Loan Agreement to read as follows:

          "2.6 Audit and Appraisal Fees; Annual Servicing Fee. Borrower shall
     reimburse Lender for all reasonable out-of-pocket costs and expenses
     incurred by Lender in connection with audits and appraisals of Borrower's
     books and records and such other matters as Lender shall deem appropriate.
     In connection with any audit by Lender of Borrower's books and records
     and/or of the books and records of Sepco, Bayou, and American MRO and/or of
     Pelican, Borrower shall also pay Lender an aggregate per diem fee of Six
     Hundred Fifty Dollars ($650). All such out-of-pocket costs, fees and
     expenses shall be payable on demand."

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 1

<PAGE>   2

     2.02 AMENDMENT TO SECTION 3.3(A). Effective as of the date of execution of
this Amendment, Section 3.3(A) of the Loan Agreement is hereby amended by
deleting therefrom the reference to the date "April 1, 2001" and substituting
therefor the date "July 1, 2001."

     2.03 AMENDMENT AND RESTATEMENT OF SECTION 3.3(D) OF THE LOAN AGREEMENT.
Effective as of the date of execution of this Amendment, Section 3.3(D) of the
Loan Agreement is amended and restated to read in its entirety as follows:

          "At the effective date of any termination of this Agreement, Borrower
     shall pay to Lender (in addition to the then outstanding principal, accrued
     interest and other charges owing under this Agreement and any of the Other
     Agreements), as liquidated damages for the loss of the bargain and not as a
     penalty, an amount equal to 0.5% of the highest of the Average Monthly Loan
     Balances outstanding pursuant to Section 2.1 during the twelve month period
     ending on the date of termination. If termination occurs on the last day of
     the Original Term or the last day of any Renewal Term, no termination
     charge shall be payable."

                                   ARTICLE III
                                    NO WAIVER

     3.01 Borrower has informed Lender that Borrower has violated the financial
covenants contained in Sections 9.3(A), (B), (C) and (D) of the Loan Agreement
for the relevant fiscal period ending June 30, 2000, and has requested that
Lender waive such violations. Subject to the satisfaction of the conditions
precedent set forth in Section 4.01 of this Amendment and to the other terms,
conditions and provisions of this Amendment, the Lender hereby waives each of
the above-described Sections of the Loan Agreement; provided, however, that the
waiver described in this Section 3.01 of this Amendment is strictly limited to
the Sections of the Loan Agreement described above and to the specific
occurrences described above. Except as otherwise specifically provided for in
this Amendment, nothing contained herein shall be construed as a waiver by
Lender of any covenant or provision of the Loan Agreement, the Other Agreements,
this Amendment or of any other contract or instrument between Borrower and
Lender, and the failure of Lender at any time or times hereafter to require
strict performance by Borrower of any provision thereof shall not waive, affect
or diminish any right of Lender to thereafter demand strict compliance
therewith. Lender hereby reserves all rights granted under the Loan Agreement,
the Other Agreement, this Amendment and any other contract or instrument between
Borrower and Lender.

                                   ARTICLE IV
                              CONDITIONS PRECEDENT

     4.01 CONDITIONS TO EFFECTIVENESS. The effectiveness of this Amendment is
subject to the satisfaction of the following conditions precedent in a manner
satisfactory to Lender, unless specifically waived in writing by Lender:

          (a) Lender shall have received each of the following, each in form and
     substance satisfactory to Lender, in its sole discretion, and, where
     applicable, each duly executed by each party thereto, other than Lender:

               (i) This Amendment, duly executed by Lender, together with the
          relevant Consent, Ratification, and Amendment, respectively duly
          executed by Sepco Industries,

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 2

<PAGE>   3

          Inc., Bayou Pumps, Inc., American MRO, Inc., Pelican State Supply
          Company, Inc. and DXP Enterprises, Inc.; and

               (ii) All other documents Lender may request with respect to any
          matter relevant to this Amendment or the transactions contemplated
          hereby;

          (b) The representations and warranties contained herein and in the
     Loan Agreement and the other Loan Documents, as each is amended hereby,
     shall be true and correct as of the date hereof, as if made on the date
     hereof;

          (c) No Default or Event of Default shall have occurred and be
     continuing, unless such Default or Event of Default has been otherwise
     specifically waived in writing by Lender; and

          (d) All corporate proceedings taken in connection with the
     transactions contemplated by this Amendment and all documents, instruments
     and other legal matters incident thereto shall be satisfactory to Lender
     and its legal counsel.

                                    ARTICLE V
                  RATIFICATIONS, REPRESENTATIONS AND WARRANTIES

     5.01 RATIFICATIONS. The terms and provisions set forth in this Amendment
shall modify and supersede all inconsistent terms and provisions set forth in
the Loan Agreement and the other Loan Documents, and, except as expressly
modified and superseded by this Amendment, the terms and provisions of the Loan
Agreement and the other Loan Documents are ratified and confirmed and shall
continue in full force and effect. Each Borrower and Lender agree that the Loan
Agreement and the other Loan Documents, as amended hereby, shall continue to be
legal, valid, binding and enforceable in accordance with their respective terms.

     5.02 REPRESENTATIONS AND WARRANTIES. Borrower hereby represents and
warrants to Lender that (a) the execution, delivery and performance of this
Amendment and any and all other Loan Documents executed and/or delivered in
connection herewith have been authorized by all requisite corporate action on
the part of Borrower and will not violate the Articles of Incorporation or
Bylaws of Borrower; (b) attached hereto as Annex A is a true, correct and
complete copy of presently effective resolutions of Borrower's Board of
Directors authorizing the execution, delivery and performance of this Amendment
and any and all other Loan Documents executed and/or delivered in connection
herewith, certified by the Assistant Secretary of Borrower; (c) the
representations and warranties contained in the Loan Agreement, as amended
hereby, and any other Loan Documents are true and correct on and as of the date
hereof and on and as of the date of execution hereof as though made on and as of
each such date; (d) no Default or Event of Default under the Loan Agreement, as
amended hereby, has occurred and is continuing, unless such Default or Event of
Default has been specifically waived in writing by Lender; (e) Borrower is in
full compliance with all covenants and agreements contained in the Loan
Agreement and the other Loan Documents, as amended hereby; and (f) Borrower has
not amended its Articles of Incorporation or its Bylaws since the date of the
Loan Agreement.

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 3

<PAGE>   4

                                   ARTICLE VI
                            MISCELLANEOUS PROVISIONS

     6.01 SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All representations and
warranties made in the Loan Agreement or any other Loan Documents, including,
without limitation, any document furnished in connection with this Amendment,
shall survive the execution and delivery of this Amendment and the other Loan
Documents, and no investigation by Lender or any closing shall affect the
representations and warranties or the right of Lender to rely upon them.

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

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

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

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

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

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

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

     6.09 APPLICABLE LAW. THIS AMENDMENT AND ALL OTHER LOAN DOCUMENTS EXECUTED
PURSUANT HERETO SHALL BE DEEMED TO HAVE BEEN MADE AND TO BE PERFORMABLE IN AND
SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF
TEXAS.

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 4

<PAGE>   5

     6.10 FINAL AGREEMENT. THE LOAN AGREEMENT AND THE OTHER LOAN DOCUMENTS, EACH
AS AMENDED HEREBY, REPRESENT THE ENTIRE EXPRESSION OF THE PARTIES WITH RESPECT
TO THE SUBJECT MATTER HEREOF ON THE DATE THIS AMENDMENT IS EXECUTED. THE LOAN
AGREEMENT AND THE OTHER LOAN DOCUMENTS, AS AMENDED HEREBY, MAY NOT BE
CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS
OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES. NO
MODIFICATION, RESCISSION, WAIVER, RELEASE OR AMENDMENT OF ANY PROVISION OF THIS
AMENDMENT SHALL BE MADE, EXCEPT BY A WRITTEN AGREEMENT SIGNED BY BORROWER AND
LENDER.

     6.11 RELEASE. BORROWER HEREBY ACKNOWLEDGES THAT IT HAS NO DEFENSE,
COUNTERCLAIM, OFFSET, CROSS-COMPLAINT, CLAIM OR DEMAND OF ANY KIND OR NATURE
WHATSOEVER THAT CAN BE ASSERTED TO REDUCE OR ELIMINATE ALL OR ANY PART OF ITS
LIABILITY TO REPAY THE "OBLIGATIONS" OR TO SEEK AFFIRMATIVE RELIEF OR DAMAGES OF
ANY KIND OR NATURE FROM LENDER. BORROWER HEREBY VOLUNTARILY AND KNOWINGLY
RELEASES AND FOREVER DISCHARGES LENDER, ITS PREDECESSORS, AGENTS, EMPLOYEES,
SUCCESSORS AND ASSIGNS, FROM ALL POSSIBLE CLAIMS, DEMANDS, ACTIONS, CAUSES OF
ACTION, DAMAGES, COSTS, EXPENSES, AND LIABILITIES WHATSOEVER, KNOWN OR UNKNOWN,
ANTICIPATED OR UNANTICIPATED, SUSPECTED OR UNSUSPECTED, FIXED, CONTINGENT, OR
CONDITIONAL, AT LAW OR IN EQUITY, ORIGINATING IN WHOLE OR IN PART ON OR BEFORE
THE DATE THIS AMENDMENT IS EXECUTED, WHICH BORROWER MAY NOW OR HEREAFTER HAVE
AGAINST LENDER, ITS PREDECESSORS, AGENTS, EMPLOYEES, SUCCESSORS AND ASSIGNS, IF
ANY, AND IRRESPECTIVE OF WHETHER ANY SUCH CLAIMS ARISE OUT OF CONTRACT, TORT,
VIOLATION OF LAW OR REGULATIONS, OR OTHERWISE, AND ARISING FROM ANY "LOANS",
INCLUDING, WITHOUT LIMITATION, ANY CONTRACTING FOR, CHARGING, TAKING, RESERVING,
COLLECTING OR RECEIVING INTEREST IN EXCESS OF THE HIGHEST LAWFUL RATE
APPLICABLE, THE EXERCISE OF ANY RIGHTS AND REMEDIES UNDER THE LOAN AGREEMENT OR
OTHER LOAN DOCUMENTS, AND NEGOTIATION FOR AND EXECUTION OF THIS AMENDMENT.

              [The Remainder of this Page Intentionally Left Blank]

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 5

<PAGE>   6

     IN WITNESS WHEREOF, this Amendment has been executed and is effective as of
the date first above-written.

                                   "BORROWER"

                                   DXP ACQUISITION, INC.,
                                   D/B/A STRATEGIC ACQUISITION, INC.

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

                                   "LENDER"

                                   FLEET CAPITAL CORPORATION

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

ANNEXES:

A-1  - Certified Resolutions of DXP Acquisition, Inc., d/b/a Strategic
       Acquisition, Inc.

AUGUST 2000 AMENDMENT TO LOAN AND SECURITY AGREEMENT - Page 6

<PAGE>   7

                                    ANNEX A-1

                            CERTIFIED RESOLUTIONS OF
                             DXP ACQUISITION, INC.,
             D/B/A STRATEGIC ACQUISITION, INC.'S BOARD OF DIRECTORS

     RESOLVED: That any officer of DXP Acquisition, Inc., d/b/a Strategic
Acquisition, Inc., a Nevada corporation (the "Corporation"), acting alone, by
his signature be, and the same hereby is, authorized and directed, in the name
of and on behalf of the Corporation (a) to amend the Corporation's existing Loan
and Security Agreement by and between the Corporation and Fleet Capital
Corporation, a Rhode Island corporation ("Lender"), (b) to execute and deliver
to Lender with such changes in the terms and provisions thereof as the officer
executing same shall, in his sole discretion, deem advisable, (i) a certain
proposed August 2000 Amendment to Loan and Security Agreement to be executed by
Corporation and Lender, a draft of which has been reviewed and discussed by the
Board of Directors of the Corporation, and (ii) such other Loan Documents,
instruments, statements and writings as the officer or officers executing the
same may deem desirable or necessary in connection therewith, and (c) to perform
such other acts as the officer or officers performing such acts on behalf of the
Corporation may deem desirable or necessary in connection therewith; and be it

     FURTHER RESOLVED: That said agreements will benefit the Corporation, both
directly and indirectly, and are in the best interests of the Corporation; and
be it

     FURTHER RESOLVED: That said agreements and other statements in writing
executed in the name and on behalf of the Corporation by any officer of the
Corporation shall be presumed conclusively to be the instruments, the execution
of which is authorized by these resolutions; and be it

     FURTHER RESOLVED: That the officers of the Corporation be, and the same
hereby are, authorized and directed to execute, in the name of and on behalf of
the Corporation, security agreements, financing statements, assignments,
collateral reports, loan statements, confirmations of delivery, lien statements,
pledge certificates, release certificates, removal reports, guaranties, cross-
collateralization agreements and such other writings and to take such other
actions as are necessary in their dealings with Lender, and any such papers
executed and any such actions taken by any of them prior to this time are
approved, ratified and confirmed; and be it

     FURTHER RESOLVED: That the Secretary or any Assistant Secretary of the
Corporation, by the signature of any one or more of them, be, and the same
hereby are, authorized and directed to attest the execution by the Corporation
of the papers signed pursuant to these resolutions, to affix the seal of the
Corporation thereto, if required by Lender, and to certify to Lender the
adoption of these resolutions.

                                  CERTIFICATION

     The undersigned hereby certifies that the within and foregoing resolutions
are in effect as of the date hereof, without modification, and that the person
signing the within and foregoing Amendment on behalf of the Corporation is the
duly elected officer stated below his name, that he is authorized to sign such
Amendment, and that his signature thereon is genuine.

     DATED: August ____, 2000.

                                       ----------------------------------------
                                       [Assistant] Secretary of the Corporation

CONSENT AND RATIFICATION TO
August 2000 Amendment to Loan and Security - Page 1

<PAGE>   8

                      CONSENT, RATIFICATION, AND AMENDMENT

     The undersigned, SEPCO INDUSTRIES, INC., has executed that certain
Continuing Guaranty Agreement, dated June 16, 1997 (the "Guaranty"), in favor of
FLEET CAPITAL CORPORATION, a Rhode Island corporation ("Lender"). The
undersigned hereby (i) consents and agrees to the terms of the August 2000
Amendment to Loan and Security Agreement, dated on or about the date hereof (the
"Loan Amendment"), by and between DXP Acquisition, Inc., d/b/a Strategic
Acquisition, Inc., a Nevada corporation, and Lender, a copy of which has been
reviewed by the undersigned, and (ii) agrees that the Guaranty shall remain in
full force and effect and shall continue to be the legal, valid and binding
obligation of the undersigned enforceable against it in accordance with its
terms. Furthermore, the undersigned hereby agrees and acknowledges that (a) the
obligations, indebtedness and liabilities arising in connection with the Loan
Amendment comprise some, but not all, of the "Obligations" as such term is used
in the Guaranty, (b) the Guaranty is an "Other Agreement", as such term is
defined in the Loan Agreement, (c) the Guaranty is not as of this date subject
to any claims, defenses or offsets, (d) nothing contained in the Loan Agreement
or any Other Agreement entered into prior to or as of the date hereof shall
adversely affect any right or remedy of Lender under the Guaranty, and (e) the
execution and delivery of the Loan Amendment shall in no way reduce, impair or
discharge any obligations of the undersigned as guarantor pursuant to the
Guaranty and shall not constitute a waiver by Lender of any of Lender's rights
against the undersigned.

     Dated: August ____, 2000.

                                         SEPCO INDUSTRIES, INC.

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

CONSENT AND RATIFICATION TO
August 2000 Amendment to Loan and Security - Page 2

<PAGE>   9

                      CONSENT, RATIFICATION, AND AMENDMENT

     The undersigned, AMERICAN MRO, INC., has executed that certain Continuing
Guaranty Agreement, dated June 16, 1997 (the "Guaranty"), in favor of FLEET
CAPITAL CORPORATION, a Rhode Island corporation ("Lender"). The undersigned
hereby (i) consents and agrees to the terms of the August 2000 Amendment to Loan
and Security Agreement, dated on or about the date hereof (the "Loan
Amendment"), by and between DXP Acquisition, Inc., d/b/a Strategic Acquisition,
Inc., a Nevada corporation, and Lender, a copy of which has been reviewed by the
undersigned, and (ii) agrees that the Guaranty shall remain in full force and
effect and shall continue to be the legal, valid and binding obligation of the
undersigned enforceable against it in accordance with its terms. Furthermore,
the undersigned hereby agrees and acknowledges that (a) the obligations,
indebtedness and liabilities arising in connection with the Loan Amendment
comprise some, but not all, of the "Obligations" as such term is used in the
Guaranty, (b) the Guaranty is an "Other Agreement", as such term is defined in
the Loan Agreement, (c) the Guaranty is not as of this date subject to any
claims, defenses or offsets, (d) nothing contained in the Loan Agreement or any
Other Agreement entered into prior to or as of the date hereof shall adversely
affect any right or remedy of Lender under the Guaranty, and (e) the execution
and delivery of the Loan Amendment shall in no way reduce, impair or discharge
any obligations of the undersigned as guarantor pursuant to the Guaranty and
shall not constitute a waiver by Lender of any of Lender's rights against the
undersigned.

     Dated: August ____, 2000.

                                    AMERICAN MRO, INC.

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

CONSENT AND RATIFICATION TO
August 2000 Amendment to Loan and Security - Page 3

<PAGE>   10

                      CONSENT, RATIFICATION, AND AMENDMENT

     The undersigned, BAYOU PUMPS, INC., has executed that certain Continuing
Guaranty Agreement, dated June 16, 1997 (the "Guaranty"), in favor of FLEET
CAPITAL CORPORATION, a Rhode Island corporation ("Lender"). The undersigned
hereby (i) consents and agrees to the terms of the August 2000 Amendment to Loan
and Security Agreement, dated on or about the date hereof (the "Loan
Amendment"), by and between DXP Acquisition, Inc., d/b/a Strategic Acquisition,
Inc., a Nevada corporation, and Lender, a copy of which has been reviewed by the
undersigned, and (ii) agrees that the Guaranty shall remain in full force and
effect and shall continue to be the legal, valid and binding obligation of the
undersigned enforceable against it in accordance with its terms. Furthermore,
the undersigned hereby agrees and acknowledges that (a) the obligations,
indebtedness and liabilities arising in connection with the Loan Amendment
comprise some, but not all, of the "Obligations" as such term is used in the
Guaranty, (b) the Guaranty is an "Other Agreement", as such term is defined in
the Loan Agreement, (c) the Guaranty is not as of this date subject to any
claims, defenses or offsets, (d) nothing contained in the Loan Agreement or any
Other Agreement entered into prior to or as of the date hereof shall adversely
affect any right or remedy of Lender under the Guaranty, and (e) the execution
and delivery of the Loan Amendment shall in no way reduce, impair or discharge
any obligations of the undersigned as guarantor pursuant to the Guaranty and
shall not constitute a waiver by Lender of any of Lender's rights against the
undersigned.

     Dated: August ____, 2000.

                                       BAYOU PUMPS, INC.

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

CONSENT AND RATIFICATION TO
August 2000 Amendment to Loan and Security - Page 4

<PAGE>   11

                      CONSENT, RATIFICATION, AND AMENDMENT

     The undersigned, PELICAN STATE SUPPLY COMPANY, INC., has executed that
certain Continuing Guaranty Agreement, dated June 16, 1997 (the "Guaranty"), in
favor of FLEET CAPITAL CORPORATION, a Rhode Island corporation ("Lender"). The
undersigned hereby (i) consents and agrees to the terms of the August 2000
Amendment to Loan and Security Agreement, dated on or about the date hereof (the
"Loan Amendment"), by and between DXP Acquisition, Inc., d/b/a Strategic
Acquisition, Inc., a Nevada corporation, and Lender, a copy of which has been
reviewed by the undersigned, and (ii) agrees that the Guaranty shall remain in
full force and effect and shall continue to be the legal, valid and binding
obligation of the undersigned enforceable against it in accordance with its
terms. Furthermore, the undersigned hereby agrees and acknowledges that (a) the
obligations, indebtedness and liabilities arising in connection with the Loan
Amendment comprise some, but not all, of the "Obligations" as such term is used
in the Guaranty, (b) the Guaranty is an "Other Agreement", as such term is
defined in the Loan Agreement, (c) the Guaranty is not as of this date subject
to any claims, defenses or offsets, (d) nothing contained in the Loan Agreement
or any Other Agreement entered into prior to or as of the date hereof shall
adversely affect any right or remedy of Lender under the Guaranty, and (e) the
execution and delivery of the Loan Amendment shall in no way reduce, impair or
discharge any obligations of the undersigned as guarantor pursuant to the
Guaranty and shall not constitute a waiver by Lender of any of Lender's rights
against the undersigned.

     Dated: August ____, 2000.

                                      PELICAN STATE SUPPLY COMPANY, INC.

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

CONSENT AND RATIFICATION TO
August 2000 Amendment to Loan and Security - Page 5

<PAGE>   12

                       CONSENT, RATIFICATION AND AMENDMENT

     The undersigned, DXP ENTERPRISES, INC., has executed (x) that certain
Continuing Guaranty Agreement, dated June 16, 1997 (the "Guaranty"), in favor of
FLEET CAPITAL CORPORATION, a Rhode Island corporation ("Lender"), and (y) that
certain Stock Pledge Agreement, dated as of June 16, 1997, executed by the
undersigned and Fleet (the "Security Agreement"). The undersigned hereby (i)
consents and agrees to the terms of the August 2000 Amendment to Loan and
Security Agreement, dated on or about the date hereof (the "Loan Amendment"), by
and between DXP Acquisition, Inc., d/b/a Strategic Acquisition, Inc., a Nevada
corporation, and Lender, a copy of which has been reviewed by the undersigned,
and (ii) agrees that each of the Guaranty and the Security Agreement shall
remain in full force and effect and shall continue to be the legal, valid and
binding obligation of the undersigned, enforceable against it in accordance with
its terms. Furthermore, the undersigned hereby agrees and acknowledges that (a)
the obligations, indebtedness and liabilities arising in connection with the
Loan Amendment comprise some, but not all, of the "Obligations", as such term is
used in the Guaranty, and some, but not all, of the "Secured Obligations", as
such term is used in the Security Agreement, (b) each of the Guaranty and the
Security Agreement is an "Other Agreement", as such term is defined in the Loan
Agreement, (c) neither the Guaranty nor the Security Agreement is, as of the
date hereof, subject to any claims, defenses or offsets, (d) nothing contained
in the Loan Agreement or any Other Agreement entered into prior to or as of the
date hereof shall adversely affect any right or remedy of Lender under the
Guaranty or under the Security Agreement, and (e) the execution and delivery of
the Loan Amendment shall in no way reduce, impair or discharge any obligations
of the undersigned as guarantor pursuant to the Guaranty or as debtor pursuant
to the Security Agreement and shall not constitute a waiver by Lender of any of
Lender's rights against the undersigned.

     Dated: August ____, 2000.

                                       DXP ENTERPRISES, INC.

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

CONSENT AND RATIFICATION TO
August 2000 Amendment to Loan and Security - Page 6

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