Document:

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                                  Exhibit 10.36

                                                                       EXECUTION
                                                                     COUNTERPART

                               SECURITY AGREEMENT

         1. GRANT OF SECURITY INTEREST. For valuable consideration, the
undersigned AIRCOMP L.L.C., a Delaware limited liability company ("Debtor"),
hereby grants and transfers to WELLS FARGO BANK TEXAS, NATIONAL ASSOCIATION
individually and as Collateral Agent for itself and other lenders from time to
time and as Collateral Agent for Wells Fargo Bank, National Association
(individually and collectively "Bank") a security interest in all of the
property of Debtor described as follows (collectively, the "Collateral"):

         (a) all accounts, deposit accounts, contract rights, chattel paper
(whether electronic or tangible), instruments, promissory notes, documents,
general intangibles, payment intangibles, software, letter of credit rights,
health-care insurance receivables and other rights to payment of every kind now
existing or at any time hereafter arising;

         (b) all inventory, goods held for sale or lease or to be furnished
under contracts for service, or goods so leased or furnished, raw materials,
component parts, work in process and other materials used or consumed in
Debtor's business, now or at any time hereafter owned or acquired by Debtor,
wherever located, and all products thereof, whether in the possession of Debtor,
any warehousemen, any bailee or any other person, or in process of delivery, and
whether located at Debtor's places of business or elsewhere;

         (c) all warehouse receipts, bills of sale, bills of lading and other
documents of every kind (whether or not negotiable) in which Debtor now has or
at any time hereafter acquires any interest, and all additions and accessions
thereto, whether in the possession or custody of Debtor, any bailee or any other
person for any purpose;

         (d) all money and property heretofore, now or hereafter delivered to or
deposited with Bank or otherwise coming into the possession, custody or control
of Bank (or any agent or bailee of Bank) in any manner or for any purpose
whatsoever during the existence of this Agreement and whether held in a general
or special account or deposit for safekeeping or otherwise;

         (e) all right, title and interest of Debtor under licenses, guaranties,
warranties, management agreements, marketing or sales agreements, escrow
contracts, indemnity agreements, insurance policies, service or maintenance
agreements, supporting obligations and other similar contracts of every kind in
which Debtor now has or at any time hereafter shall have an interest;

         (f) all goods, tools, machinery, furnishings, furniture and other
equipment and fixtures of every kind now existing or hereafter acquired, and all
improvements, replacements, accessions and additions thereto and embedded
software included therein, whether located on any property owned or leased by
Debtor or elsewhere, including without limitation, any of the foregoing now or
at any time hereafter located at or installed on the land or in the improvements
at any of the real property owned or leased by Debtor, and all such goods after
they have been severed and removed from any of said real property; and

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         (g) all motor vehicles, trailers, mobile homes, manufactured homes,
boats, other rolling stock and related equipment of every kind now existing or
hereafter acquired and all additions and accessories thereto, whether located on
any property owned or leased by Debtor or elsewhere; together with whatever is
receivable or received when any of the foregoing or the proceeds thereof are
sold, leased, collected, exchanged or otherwise disposed of, whether such
disposition is voluntary or involuntary, including without limitation, all
rights to payment, including returned premiums, with respect to any insurance
relating to any of the foregoing, and all rights to payment with respect to any
claim or cause of action affecting or relating to any of the foregoing
(collectively, "Proceeds").

         2. OBLIGATIONS SECURED. The obligations secured hereby are the payment
and performance of: (a) all present and future Indebtedness, as defined in the
Credit Agreement executed on even date herewith to be the Line of Credit, Term
Loan, Delayed Draw Term Loan, and Wells Fargo Commercial MasterCard Agreement,
of Debtor to Bank; (b) all obligations of Debtor and rights of Bank under this
Agreement; and (c) all present and future obligations of Debtor to Bank of other
kinds. The word "Indebtedness" is used herein in its most comprehensive sense
and includes any and all advances, debts, obligations and liabilities of Debtor,
or any of them, heretofore, now or hereafter made, incurred or created, whether
voluntary or involuntary and however arising, whether due or not due, absolute
or contingent, liquidated or unliquidated, determined or undetermined, secured
or unsecured and whether Debtor may be liable individually or jointly with
others, or whether recovery upon such Indebtedness may be or hereafter becomes
unenforceable and shall include, without limitation: (i) all indebtedness and
obligations of Debtor owing to Wells Fargo Bank, National Association arising
under any Wells Fargo Corporate Card agreement, Wells Fargo Bank Commercial
MasterCard Customer Agreement and any document executed or referred to therein
together with any and all amendments, modifications, and replacements thereof,
and (ii) all Indebtedness (as defined in that certain Credit Agreement of even
date herewith between Debtor and Wells Fargo Bank Texas, National Association
(the "Credit Agreement")).

         3. TERMINATION. This Agreement will terminate upon the performance of
all obligations of Debtor to Bank, including without limitation, the payment of
all Indebtedness of Debtor to Bank, and the termination of all commitments of
Bank to extend credit to Debtor, existing at the time Bank receives written
notice from Debtor of the termination of this Agreement.

         4. OBLIGATIONS OF BANK. Bank has no obligation to make any loans
hereunder. Any money received by Bank in respect of the Collateral may be
deposited, at Bank's option, into a non-interest bearing account over which
Debtor shall have no control, and the same shall, for all purposes, be deemed
Collateral hereunder.

         5. REPRESENTATIONS AND WARRANTIES. Debtor represents and warrants to
Bank that: (a) Debtor's legal name is exactly as set forth on the first page of
this Agreement, and all of Debtor's organizational documents or agreements
delivered to Bank are complete and accurate in every respect; (b) Debtor is the
owner and has possession or control of the Collateral and Proceeds; (c) Debtor
has the exclusive right to grant a security interest in the Collateral and

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Proceeds; (d) all Collateral and Proceeds are genuine, free from liens, adverse
claims, setoffs, default, prepayment, defenses and conditions precedent of any
kind or character, except the lien created hereby or as otherwise agreed to by
Bank, or as heretofore disclosed by Debtor to Bank, in writing; (e) all
statements contained herein and, where applicable, in the Collateral are true
and complete in all material respects; (f) no financing statement covering any
of the Collateral or Proceeds, and naming any secured party other than Bank, is
on file in any public office; (g) where Collateral consists of rights to
payment, all persons appearing to be obligated on the Collateral and Proceeds
have authority and capacity to contract and are bound as they appear to be, all
property subject to chattel paper has been properly registered and filed in
compliance with law and to perfect the interest of Debtor in such property, and
all such Collateral and Proceeds comply with all applicable laws concerning
form, content and manner of preparation and execution, including where
applicable Federal Reserve Regulation Z and any State consumer credit laws; and
(h) where the Collateral consists of equipment, Debtor is not in the business of
selling goods of the kind included within such Collateral, and Debtor
acknowledges that no sale or other disposition of any such Collateral, including
without limitation, any such Collateral which Debtor may deem to be surplus, has
been consented to or acquiesced in by Bank, except as specifically set forth in
writing by Bank.

         6. COVENANTS OF DEBTOR.

         (a) Debtor agrees in general: (i) to pay Indebtedness secured hereby
when due; (ii) to indemnify Bank against all losses, claims, demands,
liabilities and expenses of every kind caused by property subject hereto; (iii)
to pay all costs and expenses, including reasonable attorneys' fees, incurred by
Bank in the perfection and preservation of the Collateral or Bank's interest
therein and/or the realization, enforcement and exercise of Bank's rights,
powers and remedies hereunder; (iv) to permit Bank to exercise its powers; (v)
to execute and deliver such documents as Bank deems necessary to create, perfect
and continue the security interests contemplated hereby; (vi) not to change its
name, and as applicable, its chief executive office, its principal residence or
the jurisdiction in which it is organized and/or registered without giving Bank
prior written notice thereof; (vii) not to change the places where Debtor keeps
any Collateral or Debtor's records concerning the Collateral and Proceeds
without giving Bank prior written notice of the address to which Debtor is
moving same; and (viii) to cooperate with Bank in perfecting all security
interests granted herein and in obtaining such agreements from third parties as
Bank deems necessary, proper or convenient in connection with the preservation,
perfection or enforcement of any of its rights hereunder.

         (b) Debtor agrees with regard to the Collateral and Proceeds, unless
Bank agrees otherwise in writing: (i) that Bank is authorized to file financing
statements in the name of Debtor to perfect Bank's security interest in
Collateral and Proceeds; (ii) where applicable, to insure the Collateral with
Bank named as loss payee, in form, substance and amounts, under agreements,
against risks and liabilities, and with insurance companies satisfactory to
Bank; (iii) where applicable, to operate the Collateral in accordance with all
applicable statutes, rules and regulations relating to the use and control
thereof, and not to use any Collateral for any unlawful purpose or in any way
that would void any insurance required to be carried in connection therewith;
(iv) not to remove the Collateral from Debtor's premises, except (A) for
deliveries to buyers in the ordinary course of Debtor's business and (B)

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Collateral which consists of mobile goods as defined in the Texas Business and
Commerce Code, in which case Debtor agrees not to remove or permit the removal
of such Collateral from its state of domicile or states where it is qualified to
do business for a period in excess of thirty (30) calendar days unless pursuant
to a written agreement; (v) to pay when due all license fees, registration fees
and other charges in connection with any Collateral; (vi) not to permit any lien
on the Collateral or Proceeds, including without limitation, liens arising from
repairs to or storage of the Collateral, except in favor of Bank; (vii) not to
sell, hypothecate or dispose of, nor permit the transfer by operation of law of,
any of the Collateral or Proceeds or any interest therein, except sales of
inventory to buyers in the ordinary course of Debtor's business; (viii) to
permit Bank to inspect the Collateral at any time; (ix) to keep, in accordance
with generally accepted accounting principles, complete and accurate records
regarding all Collateral and Proceeds, and to permit Bank to inspect the same
and make copies thereof at any reasonable time; (x) if requested by Bank, to
receive and use reasonable diligence to collect Collateral consisting of
accounts and other rights to payment and Proceeds, in trust and as the property
of Bank, and to immediately endorse as appropriate and deliver such Collateral
and Proceeds to Bank daily in the exact form in which they are received together
with a collection report in form satisfactory to Bank; (xi) not to commingle
Collateral or Proceeds, or collections thereunder, with other property; (xii) to
give only normal allowances and credits and to advise Bank thereof immediately
in writing if they affect any rights to payment or Proceeds in any material
respect; (xiii) from time to time, when requested by Bank, to prepare and
deliver a schedule of all Collateral and Proceeds subject to this Agreement and
to assign in writing and deliver to Bank all accounts, contracts, leases and
other chattel paper, instruments, documents and other evidences thereof; (xiv)
in the event Bank elects to receive payments of rights to payment or Proceeds
hereunder, to pay all expenses incurred by Bank in connection therewith,
including expenses of accounting, correspondence, collection efforts, reporting
to account or contract debtors, filing, recording, record keeping and expenses
incidental thereto; and (xv) to provide any service and do any other acts which
may be necessary to maintain, preserve and protect all Collateral and, as
appropriate and applicable, to keep all Collateral in good and saleable
condition, to deal with the Collateral in accordance with the standards and
practices adhered to generally by users and manufacturers of like property, and
to keep all Collateral and Proceeds free and clear of all defenses, rights of
offset and counterclaims.

         7. POWERS OF BANK. Debtor appoints Bank its true attorney in fact to
perform any of the following powers, which are coupled with an interest, are
irrevocable until termination of this Agreement and may be exercised from time
to time by Bank's officers and employees, or any of them, whether or not Debtor
is in default: (a) to give notice to account debtors or others of Bank's rights
in the Collateral and Proceeds, to enforce or forebear from enforcing the same
and make extension and modification agreements with respect thereto; (b) to
release persons liable on Collateral or Proceeds and to give receipts and
acquittances and compromise disputes in connection therewith; (c) to release or
substitute security; (d) to resort to security in any order; (e) to prepare,
execute, file, record or deliver notes, assignments, schedules, designation
statements, financing statements, continuation statements, termination
statements, statements of assignment, applications for registration or like
papers to perfect, preserve or release Bank's interest in the Collateral and
Proceeds; (f) to receive, open and read mail addressed to Debtor; (g) to take
cash, instruments for the payment of money and other property to which Bank is

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entitled; (h) to verify facts concerning the Collateral and Proceeds by inquiry
of obligors thereon, or otherwise, in its own name or a fictitious name; (i) to
endorse, collect, deliver and receive payment under instruments for the payment
of money constituting or relating to Proceeds; (j) to prepare, adjust, execute,
deliver and receive payment under insurance claims, and to collect and receive
payment of and endorse any instrument in payment of loss or returned premiums or
any other insurance refund or return, and to apply such amounts received by
Bank, at Bank's sole option, toward repayment of the Indebtedness or, where
appropriate, replacement of the Collateral; (k) to exercise all rights, powers
and remedies which Debtor would have, but for this Agreement, with respect to
all Collateral and Proceeds subject hereto; (l) to enter onto Debtor's premises
in inspecting the Collateral; (m) to make withdrawals from and to close deposit
accounts or other accounts with any financial institution, wherever located,
into which Proceeds may have been deposited, and to apply funds so withdrawn to
payment of the Indebtedness; (n) to preserve or release the interest evidenced
by chattel paper to which Bank is entitled hereunder and to endorse and deliver
any evidence of title incidental thereto; (o) to do all acts and things and
execute all documents in the name of Debtor or otherwise, deemed by Bank as
necessary, proper and convenient in connection with the preservation, perfection
or enforcement of its rights hereunder that Bank, in its sole discretion, needs
to do immediately; and (p) to perform any other obligation of Debtor hereunder
in Debtor's name or otherwise with thirty (30) days written notice to Debtor.

         8. PAYMENT OF PREMIUMS, TAXES, CHARGES, LIENS AND ASSESSMENTS. Debtor
agrees to pay, prior to delinquency, all insurance premiums, taxes, charges,
liens and assessments against the Collateral and Proceeds, and upon the failure
of Debtor to do so, Bank at its option may pay any of them and shall be the sole
judge of the legality or validity thereof and the amount necessary to discharge
the same. Any such payments made by Bank shall be obligations of Debtor to Bank,
due and payable immediately upon demand, together with interest at a rate
determined in accordance with the provisions of this Agreement, and shall be
secured by the Collateral and Proceeds, subject to all terms and conditions of
this Agreement.

         9. EVENTS OF DEFAULT. The occurrence of any of the following shall
constitute an "Event of Default" under this Agreement: (a) any default in the
payment or performance of any obligation, or any defined event of default, under
(i) any contract or instrument evidencing any Indebtedness, or (ii) any other
agreement between Debtor and Bank, including without limitation any loan
agreement, relating to or executed in connection with any Indebtedness; (b) any
representation or warranty made by Debtor herein shall prove to be incorrect,
false or misleading in any material respect when made; (c) Debtor shall fail to
observe or perform any obligation or agreement contained herein; (d) any
impairment of the rights of Bank in any Collateral or Proceeds, or any
attachment or like levy on any property of Debtor; and (e) Bank, in good faith,
believes any or all of the Collateral and/or Proceeds to be in danger of misuse,
dissipation, commingling, loss, theft, damage or destruction, or otherwise in
jeopardy or unsatisfactory in character or value.

         10. REMEDIES. Upon the occurrence of any Event of Default, Bank shall
have the right to declare immediately due and payable all or any Indebtedness
secured hereby and to terminate any commitments to make loans or otherwise
extend credit to Debtor. Bank shall have all other rights, powers, privileges
and remedies granted to a secured party upon default under the Texas Business
and Commerce Code or otherwise provided by law, including without limitation,
the right (a) to contact all persons obligated to Debtor on any Collateral or
Proceeds and to instruct such persons to deliver all Collateral and/or Proceeds

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directly to Bank, and (b) to sell, lease, license or otherwise dispose of any or
all Collateral. All rights, powers, privileges and remedies of Bank shall be
cumulative. No delay, failure or discontinuance of Bank in exercising any right,
power, privilege or remedy hereunder shall affect or operate as a waiver of such
right, power, privilege or remedy; nor shall any single or partial exercise of
any such right, power, privilege or remedy preclude, waive or otherwise affect
any other or further exercise thereof or the exercise of any other right, power,
privilege or remedy. Any waiver, permit, consent or approval of any kind by Bank
of any default hereunder, or any such waiver of any provisions or conditions
hereof, must be in writing and shall be effective only to the extent set forth
in writing. It is agreed that public or private sales or other dispositions, for
cash or on credit, to a wholesaler or retailer or investor, or user of property
of the types subject to this Agreement, or public auctions, are all commercially
reasonable since differences in the prices generally realized in the different
kinds of dispositions are ordinarily offset by the differences in the costs and
credit risks of such dispositions. While an Event of Default exists: (a) Debtor
will deliver to Bank from time to time, as requested by Bank, current lists of
all Collateral and Proceeds; (b) Debtor will not dispose of any Collateral or
Proceeds except on terms approved by Bank; (c) at Bank's request, Debtor will
assemble and deliver all Collateral and Proceeds, and books and records
pertaining thereto, to Bank at a reasonably convenient place designated by Bank;
and (d) Bank may, without notice to Debtor, enter onto Debtor's premises and
take possession of the Collateral. With respect to any sale or other disposition
by Bank of any Collateral subject to this Agreement, Debtor hereby expressly
grants to Bank the right to sell such Collateral using any or all of Debtor's
trademarks, trade names, trade name rights and/or proprietary labels or marks.
Debtor further agrees that Bank shall have no obligation to process or prepare
any Collateral for sale or other disposition.

         11. DISPOSITION OF COLLATERAL AND PROCEEDS; TRANSFER OF INDEBTEDNESS.
In disposing of Collateral hereunder, Bank may disclaim all warranties of title,
possession, quiet enjoyment and the like. Any proceeds of any disposition of any
Collateral or Proceeds, or any part thereof, shall be applied: first by Wells
Fargo Bank Texas, National Association to the payment of expenses incurred by
Wells Fargo Bank Texas, National Association in connection with the foregoing,
including reasonable attorneys' fees; second, such proceeds shall be applied by
Wells Fargo Bank Texas, National Association toward the payment of the
Indebtedness owing to Wells Fargo Bank Texas, National Association and the other
lenders who are parties to the Credit Agreement, if any, in such order of
application as Wells Fargo Bank Texas, National Association may from time to
time elect; third, such proceeds shall be applied to the payment of expenses
incurred by Wells Fargo Bank, National Association in connection with the
foregoing, including reasonable attorneys' fees; fourth, such proceeds shall be
applied to the payment of the Indebtedness owing to Wells Fargo Bank, National
Association in such order of application as Wells Fargo Bank, National
Association may from time to time elect; and fifth, the balance of such proceeds
shall be given to Debtor if, and only if, all Indebtedness and obligations to
the Bank have been fully and finally paid. Upon the transfer of all or any part
of the Indebtedness, Bank may transfer all or any part of the Collateral or
Proceeds and shall be fully discharged thereafter from all liability and
responsibility with respect to any of the foregoing so transferred, and the
transferee shall be vested with all rights and powers of Bank hereunder with
respect to any of the foregoing so transferred; but with respect to any
Collateral or Proceeds not so transferred, Bank shall retain all rights, powers,
privileges and remedies herein given.

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         12. STATUTE OF LIMITATIONS. Until all Indebtedness shall have been paid
in full and all commitments by Bank to extend credit to Debtor have been
terminated, the power of sale or other disposition and all other rights, powers,
privileges and remedies granted to Bank hereunder shall continue to exist and
may be exercised by Bank at any time and from time to time irrespective of the
fact that the Indebtedness or any part thereof may have become barred by any
statute of limitations, or that the personal liability of Debtor may have
ceased, unless such liability shall have ceased due to the payment in full of
all Indebtedness secured hereunder.

         13. MISCELLANEOUS. When there is more than one Debtor named herein: (a)
the word "Debtor" shall mean all or any one or more of them as the context
requires; (b) the obligations of each Debtor hereunder are joint and several;
and (c) until all Indebtedness shall have been paid in full, no Debtor shall
have any right of subrogation or contribution, and each Debtor hereby waives any
benefit of or right to participate in any of the Collateral or Proceeds or any
other security now or hereafter held by Bank. Debtor hereby waives any right to
require Bank to (i) proceed against Debtor or any other person, (ii) proceed
against or exhaust any security from Debtor or any other person, (iii) perform
any obligation of Debtor with respect to any Collateral or Proceeds, and (d)
make any presentment or demand, or give any notices of any kind, including
without limitation, any notice of nonpayment or nonperformance, protest, notice
of protest, notice of dishonor, notice of intention to accelerate or notice of
acceleration hereunder or in connection with any Collateral or Proceeds. Debtor
further waives any right to direct the application of payments or security for
any indebtedness of Debtor or indebtedness of customers of Debtor. Any
requirement of reasonable notice to Debtor with respect to the sale or other
disposition of Collateral shall be met if such notice is given pursuant to the
requirements of Section 14 hereof at least 5 days before the date of any public
disposition or the date after which any private sale or other disposition will
be made.

         14. NOTICES. All notices, requests and demands required under this
Agreement must be in writing, addressed to Bank at the address specified in any
other loan documents entered into between Debtor and Bank and to Debtor at the
address of its chief executive office (or principal residence, if applicable)
specified below or to such other address as any party may designate by written
notice to each other party, and shall be deemed to have been given or made as
follows: (a) if personally delivered, upon delivery; (b) if sent by mail, upon
the earlier of the date of receipt or three (3) days after deposit in the U.S.
mail, first class and postage prepaid; and (c) if sent by telecopy, upon
receipt.

         15. COSTS, EXPENSES AND ATTORNEYS' FEES. Debtor shall pay to Bank
immediately upon demand the full amount of all payments, advances, charges,
costs and expenses, including reasonable attorneys' fees (to include outside
counsel fees and all allocated costs of Bank's in-house counsel to the extent
permissible), incurred by Bank in exercising any right, power, privilege or
remedy conferred by this Agreement or in the enforcement thereof, whether
incurred at the trial or appellate level, in an arbitration proceeding or
otherwise, and including any of the foregoing incurred in connection with any
bankruptcy proceeding (including without limitation, any adversary proceeding,
contested matter or motion brought by Bank or any other person) relating to
Debtor or in any way affecting any of the Collateral or Bank's ability to
exercise any of its rights or remedies with respect thereto. All of the
foregoing shall be paid by Debtor from the date of demand to the date paid in
full with interest at the maximum rate permitted by applicable law.

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         16. SUCCESSORS; ASSIGNS; AMENDMENT. This Agreement shall be binding
upon and inure to the benefit of the heirs, executors, administrators, legal
representatives, successors and assigns of the parties, and may be amended or
modified only in writing signed by Bank and Debtor.

         17. SEVERABILITY OF PROVISIONS. If any provision of this Agreement
shall be held to be prohibited by or invalid under applicable law, such
provision shall be ineffective only to the extent of such prohibition or
invalidity, without invalidating the remainder of such provision or any
remaining provisions of this Agreement.

         18. GOVERNING LAW. This Agreement shall be governed by and construed in
accordance with the laws of the State of Texas.

         19. STATE OF ORGANIZATION. Debtor warrants that Debtor is an
organization formed under the laws of the State of Delaware.

         20. LOCATION OF CHIEF EXECUTIVE OFFICE. Debtor warrants that its chief
executive office (or principal residence, if applicable) is located at the
following address: 7660 Woodway, Suite 200, Houston, Texas 77063.

         21. LOCATION OF COLLATERAL. Debtor warrants that the Collateral (except
goods in transit) is located or domiciled at the following additional addresses:

         (a) 702 Railroad Avenue, Ft. Stockton, Texas 79735

         (b) 705 Railroad Avenue, Ft. Stockton, Texas 79735

         (c) 2896 I-70 Business Loop, Grand Junction, Colorado 81505

         (d) 37 South University Street, Healdsburg, California 95488

         (e) 1910 Rustic Place, Farmington, New Mexico 87401

         (f) 7660 Woodway, Suite 200, Houston, Texas 77063

         22. SUBORDINATION. THE PARTIES HERETO AGREE THAT ANY AND ALL
INDEBTEDNESS, OBLIGATIONS, AND LIENS IN FAVOR OF WELLS FARGO BANK TEXAS,
NATIONAL ASSOCIATION OF DEBTOR AND ANY OTHER LENDERS WHO MAY FROM TIME TO TIME
BECOME A PARTY TO THE CREDIT AGREEMENT, SHALL BE SENIOR AND SUPERIOR TO ALL
INDEBTEDNESS, OBLIGATIONS AND LIENS CREDITED IN FAVOR OF WELLS FARGO BANK TEXAS,
NATIONAL ASSOCIATION, WHICH SHALL BE SUBORDINATE AND INFERIOR AS TO BOTH DEBT
AND LIENS TO WELLS FARGO BANK TEXAS, NATIONAL ASSOCIATION IN ALL RESPECTS.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

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         IN WITNESS WHEREOF, this Agreement has been duly executed as of June
27, 2003.

                                    AIRCOMP L.L.C., a limited liability company

                                    By:  /s/ Terry Keane

                                    Name:    Terry Keane

                                    Title:   President

                                    WELLS FARGO BANK TEXAS, NATIONAL
                                    ASSOCIATION, Individually and as
                                    Collateral Agent

                                    By:  /s/ Alan Smith

                                    Name:  Alan Smith

                                    Title:  Vice President

                                    WELLS FARGO BANK TEXAS,
                                    NATIONAL ASSOCIATION

                                    By:  /s/ Alan Smith

                                    Name:/s/ Alan Smith

                                    Title:Vice President

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                                                     WELLS FARGO BANK,
                                                     NATIONAL ASSOCIATION

                                                     By: /s/ Alan Smith

                                                     Name:Alan Smith

                                                     Title:Vice President

                                       10<PAGE>

                                  EXHIBIT 10.37

                              EMPLOYMENT AGREEMENT

         This Employment Agreement (this "Agreement") is made as of July 1,
2003, by AirComp L.L.C., a Delaware limited liability company (the "Employer"),
and Terry Keane, an individual resident in Spring, Texas (the "Executive").

                                    AGREEMENT

         The parties, intending to be legally bound, agree as follows:

1.       DEFINITIONS

         For the purposes of this Agreement, the following terms have the
meanings specified or referred to in this Section 1.

         "AGREEMENT"--this Employment Agreement, including Exhibits ____ and
         ____ hereto, as amended from time to time.

         "BASIC COMPENSATION"--Salary and Benefits.

         "BENEFITS"--as defined in Section 3.1(b).

         "CHANGE OF CONTROL"--for purposes of this Agreement, a "Change of
         Control" shall occur if (i) the Employer shall not be the surviving
         entity in any merger or consolidation; or (ii) the Employer sells,
         leases or exchanges or agrees to sell, lease or exchange all or
         substantially all of its assets to any other person or entity (other
         than a wholly owned subsidiary of the Employer); or (iii) the Employer
         is dissolved or liquidated; or (iv) any person or entity, including a
         "group" as contemplated by Section 13(d)(3) of the Securities Exchange
         Act of 1934 (other than M-I L.L.C., Mountain Compressed Air, Inc. or
         any of their respective affiliates) acquires or gains ownership or
         control of more than 50% of the outstanding membership interests of
         Employer after the date hereof.

         "CONFIDENTIAL INFORMATION"--any and all:

                  (a) trade secrets concerning the business and affairs of the
         Employer, product specifications, data, know-how, formulae,
         compositions, processes, designs, sketches, photographs, graphs,
         drawings, samples, inventions and ideas, past, current, and planned
         research and development, current and planned manufacturing or
         distribution methods and processes, customer lists, current and
         anticipated customer requirements, price lists, market studies,
         business plans, computer software and programs (including object code
         and source code), computer software and database technologies, systems,
         structures, and architectures (and related formulae, compositions,
         processes, improvements, devices, know-how, inventions, discoveries,
         concepts, ideas, designs, methods and information, and any other
         information, however documented, that is a trade secret within the
         meaning of the laws of the State of Texas; and

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                  (b) information concerning the business and affairs of the
         Employer (which includes historical financial statements, financial
         projections and budgets, historical and projected sales, capital
         spending budgets and plans, the names and backgrounds of key personnel,
         personnel training and techniques and materials), however documented;
         and

                  (c) notes, analysis, compilations, studies, summaries, and
         other material prepared by or for the Employer containing or based, in
         whole or in part, on any information included in the foregoing.

         "DISABILITY"--as defined in Section 6.2.

         "EBITDA PLAN"--the plan attached to this Agreement which sets forth the
         EBITDA goals and objectives of the Company for the six months period
         from July 1, 2003 through December 31, 2003. For each subsequent Fiscal
         Year, the Executive and Employer will agree in writing to the EBITDA
         Plan.

         "EFFECTIVE DATE"--the date stated in the first paragraph of the
         Agreement.

         "EMPLOYMENT PERIOD"--the term of the Executive's employment under this
         Agreement.

         "FISCAL YEAR"--the Employer's fiscal year, as it exists on the
         Effective Date or as changed from time to time.

         "FOR CAUSE"--as defined in Section 6.3.

         "FOR GOOD REASON"--as defined in Section 6.4.

         "INCENTIVE COMPENSATION"--as defined in Section 3.2, which in cases of
         a prorated amount of Incentive Compensation for a portion of such
         Fiscal Year shall mean the actual and EBITDA Plan numbers shall be
         prorated not the percentages of the Incentive Compensation for such
         Fiscal Year.

         "MANAGEMENT COMMITTEE"--is the Management Committee of the Employer
         which manages the Employer.

         "NON-COMPETITION AGREEMENT"--as defined in Section 6.3.

         "PERSON"--any individual, corporation (including any non-profit
         corporation), general or limited partnership, limited liability
         company, joint venture, estate, trust, association, organization, or
         governmental body.

         "POST-EMPLOYMENT PERIOD"--as defined in Section 8.2.

         "PROPRIETARY ITEMS"--as defined in Section 7.2(a)(iv).

         "SALARY"--as defined in Section 3.1(a).

                                       2
<PAGE>

2.       EMPLOYMENT TERMS AND DUTIES

         2.1      EMPLOYMENT

         The Employer hereby employs the Executive, and the Executive hereby
accepts employment by the Employer, upon the terms and conditions set forth in
this Agreement.

         2.2      TERM

         Subject to the provisions of Section 6, the term of the Executive's
employment under this Agreement will be four years, beginning on the Effective
Date and ending on the fourth anniversary of the Effective Date.

         2.3      DUTIES

         The Executive will have such duties as are assigned or delegated to the
Executive by the Management Committee, and will initially serve as Chief
Executive Officer of the Employer. The Executive will devote his entire business
time, attention, skill, and energy exclusively to the business of the Employer,
will use his reasonable best efforts to promote the success of the Employer's
business, and will cooperate fully with the Management Committee in the
advancement of the best interests of the Employer. Executive will be based in
Houston, Texas, but will be asked to travel as necessary to perform his duties
under this Agreement and as requested by the Management Committee.

3.       COMPENSATION

         3.1      BASIC COMPENSATION

                  (a) SALARY. The Executive will be paid an annual salary of
         $144,000.00 (the "Salary"), which will be payable in equal periodic
         installments according to the Employer's customary payroll practices,
         but no less frequently than monthly. The Salary will be reviewed by the
         Management Committee not less frequently than annually, and may be
         adjusted upward in the sole discretion of the Management Committee, but
         in no event will the Salary be less than $144,000.00 per year.

                  (b) BENEFITS. The Executive will, during the Employment
         Period, be permitted to participate in such 401(k) plan, profit
         sharing, bonus, life insurance, medical coverage, and other employee
         benefit plans of the Employer that may be in effect from time to time,
         to the extent the Executive is eligible under the terms of those plans
         (collectively, the "Benefits"). The Executive will be provided medical
         coverage by the Employer at no expense or contribution by the
         Executive. Medical coverage will begin on the Effective Date of this
         Agreement.

         3.2      INCENTIVE COMPENSATION

         As additional compensation (the "Incentive Compensation") for the
services to be rendered by the Executive pursuant to this Agreement, the
Employer will pay the Executive with respect to each Fiscal Year during the
Employment Period, an amount equal to (i) forty five percent (45%) of the
Executive's Salary in the event that the Company meets the EBITDA Plan for each
Fiscal Year or in the case of Fiscal Year 2003, the pro rata amount, or (ii) a
pro rata amount between forty five percent (45%) and ninety percent (90%) of

                                       3
<PAGE>

Executive's Salary in the event that the Company exceeds by fifty percent (50%)
up to one hundred forty nine percent (149%) of the EBITDA Plan for each Fiscal
Year of the Agreement or in the case of Fiscal Year 2003, a pro rata amount, or
(iii) ninety percent (90%) of Executive's Salary in the event that the Company
exceeds, by one hundred fifty percent (150%) or more, the EBITDA Plan for each
Fiscal Year or in the case of Fiscal Year 2003, the pro rata amount. The
Incentive Compensation to be earned in Section 3.2(i), (ii) or (iii) shall not
be cumulative as to any one year. Whether the Company meets the EBITDA Plan as
attached hereto for each Fiscal Year or in the case of Fiscal Year 2003, the pro
rata amount will be determined by the Company's certified public accounting firm
regularly engaged by Employer. The Incentive Compensation shall be paid on or
before March 31, of each subsequent Fiscal Year in which such Incentive
Compensation was earned.

4.       FACILITIES AND EXPENSES

         4.1      GENERAL

         The Employer will furnish the Executive office space, equipment,
clerical support, supplies, and such other facilities and personnel as the
Employer deems necessary or appropriate for the performance of the Executive's
duties under this Agreement. The Employer will pay the Executive's dues in such
professional societies and organizations as the Management Committee deems
appropriate, and will pay on behalf of the Executive (or reimburse the Executive
for) reasonable expenses incurred by the Executive at the request of, or on
behalf of, the Employer in the performance of the Executive's duties pursuant to
this Agreement, and in accordance with the Employer's employment policies,
including reasonable expenses incurred by the Executive in attending
conventions, seminars, and other business meetings, in appropriate business
entertainment activities, and for promotional expenses. The Executive must file
expense reports with respect to such expenses in accordance with the Employer's
policies. The Management Committee will approve Executive for an American
Express Platinum card.

         4.2      AUTOMOBILE

         The Executive will own his own automobile, and maintain and insure it
at his own expense, for his business use in connection with his employment under
this Agreement and the Employer will pay Executive $600.00 per month as an
automobile allowance which will be taxable to Executive. Such automobile
allowance will cover all automobile expenses in and around the Houston, Texas
area, provided, however, that Executive will be paid the Standard IRS rate
(currently $.36/mile) for mileage outside the Houston, Texas area.

5.       VACATIONS AND HOLIDAYS

         The Executive will be entitled to three weeks' paid vacation each
Fiscal Year in accordance with the vacation policies of the Employer in effect
for its executive officers from time to time. Executive must notify the
Management Committee of such time or times used for vacation. The Executive will
also be entitled to the paid holidays set forth in the Employer's policies.
Vacation days and holidays during any Fiscal Year that are not used by the
Executive during such Fiscal Year may not be used in any subsequent Fiscal Year.

6.       TERMINATION

         6.1      EVENTS OF TERMINATION

         The Employment Period, the Executive's Basic Compensation and Incentive
Compensation, and any and all other rights of the Executive under this Agreement
or otherwise as an employee of the Employer will terminate (except as otherwise
provided in this Section 6):

                  (a) upon the death of the Executive;

                  (b) upon the disability of the Executive (as defined in
Section 6.2) immediately upon notice from either party to the other;

                  (c) for cause (as defined in Section 6.3), immediately upon
notice from the Employer to the Executive, or at such later time as such notice
may specify;

                                       4
<PAGE>

                  (d) for good reason (as defined in Section 6.4) upon not less
than thirty days' prior notice from the Executive to the Employer;

                  (e) without cause, immediately upon notice from either party
hereto or at such later time as such notice may specify; or

                  (f) upon written notice from Executive to Employer within
thirty (30) days following the consummation of a Change of Control (as defined
herein).

         6.2      DEFINITION OF DISABILITY

         For purposes of Section 6.1, the Executive will be deemed to have a
"disability" if, for physical or mental reasons, the Executive is unable to
perform the Executive's duties under this Agreement for 120 consecutive days, or
180 days during any twelve-month period, as determined in accordance with this
Section 6.2. The disability of the Executive will be determined by a medical
doctor selected by written agreement of the Employer and the Executive upon the
request of either party by notice to the other. If the Employer and the
Executive cannot agree on the selection of a medical doctor, each of them will
select a medical doctor and the two medical doctors will select a third medical
doctor who will determine whether the Executive has a disability. The
determination of the medical doctor selected under this Section 6.2 will be
binding on both parties. The Executive must submit to a reasonable number of
examinations by the medical doctor making the determination of disability under
this Section 6.2, and the Executive hereby authorizes the disclosure and release
to the Employer of such determination and all supporting medical records. If the
Executive is not legally competent, the Executive's legal guardian or duly
authorized attorney-in-fact will act in the Executive's stead, under this
Section 6.2, for the purposes of submitting the Executive to the examinations,
and providing the authorization of disclosure, required under this Section 6.2.

         6.3      DEFINITION OF "FOR CAUSE"

         For purposes of Section 6.1, the phrase "for cause" means: (a) the
Executive's breach of this Agreement; (b) the Executive's failure to adhere to
any written Employer policy if the Executive has been given a reasonable
opportunity to comply with such policy or cure his failure to comply (which
reasonable opportunity must be granted during the ten-day period preceding
termination of this Agreement); (c) the appropriation (or attempted
appropriation) of a material business opportunity of the Employer, including
attempting to secure or securing any personal profit in connection with any
transaction entered into on behalf of the Employer; (d) the misappropriation (or
attempted misappropriation) of any of the Employer's funds or property; or (e)
the conviction of, or the entering of a guilty plea or plea of no contest with
respect to, a felony, the equivalent thereof, or any other crime with respect to
which imprisonment is a possible punishment.

         6.4      DEFINITION OF "GOOD REASON"

         For purposes of Section 6.1, the phrase "for good reason" means any of
the following: (a) The Employer's breach of this Agreement; (b) the assignment
of the Executive without his consent to a position, responsibilities, or duties
of a materially lesser status or degree of responsibility than his position,
responsibilities, or duties at the Effective Date.

         6.5      TERMINATION PAY

         Effective upon the termination of this Agreement, the Employer will be
obligated to pay the Executive (or, in the event of his death, his designated
beneficiary as defined below) only such compensation as is provided in this
Section 6.5, and in lieu of all other amounts and in settlement and complete

                                       5
<PAGE>

release of all claims the Executive may have against the Employer. For purposes
of this Section 6.5, the Executive's designated beneficiary will be such
individual beneficiary or trust, located at such address, as the Executive may
designate by notice to the Employer from time to time or, if the Executive fails
to give notice to the Employer of such a beneficiary, the Executive's estate.
Notwithstanding the preceding sentence, the Employer will have no duty, in any
circumstances, to attempt to open an estate on behalf of the Executive, to
determine whether any beneficiary designated by the Executive is alive or to
ascertain the address of any such beneficiary, to determine the existence of any
trust, to determine whether any person or entity purporting to act as the
Executive's personal representative (or the trustee of a trust established by
the Executive) is duly authorized to act in that capacity, or to locate or
attempt to locate any beneficiary, personal representative, or trustee.

         (a) TERMINATION BY THE EXECUTIVE FOR GOOD REASON. If the Executive
terminates this Agreement for good reason, the Employer will pay the Executive
(i) the Executive's Salary in effect for the remainder, if any, of the calendar
month in which such termination is effective and for six consecutive calendar
months thereafter, (ii) that portion of the Executive's Incentive Compensation,
if any, for the Fiscal Year during which the termination is effective, prorated
through the date of termination, and (iii) medical coverage for Executive at no
expense to Executive for six months following termination.

         (b) TERMINATION BY THE EMPLOYER FOR CAUSE. If the Employer terminates
this Agreement for cause, the Executive will be entitled to receive his Salary
only through the date such termination is effective, but will not be entitled to
any Incentive Compensation for the Fiscal Year during which such termination
occurs or any subsequent Fiscal Years.

         (c) TERMINATION UPON DISABILITY. If this Agreement is terminated by
either party as a result of the Executive's disability, as determined under
Section 6.2, the Employer will pay the Executive his Salary through the
remainder of the calendar month during which such termination is effective and
for the lesser of (a) three consecutive months thereafter, or (b) the period
until disability insurance benefits commence under the disability insurance
coverage furnished by the Employer to the Executive. In addition, Executive will
receive that portion of the Incentive Compensation, if any, for the Fiscal Year
during which his disability occurs prorated through the date of termination.

         (d) TERMINATION UPON DEATH. If this Agreement is terminated because of
the Executive's death, the Executive will be entitled to receive his Salary
through the end of the calendar month in which his death occurs, and that part
of the Executive's Incentive Compensation, if any, for the Fiscal Year during
which his death occurs, prorated through the end of the calendar month during
which his death occurs.

         (e) TERMINATION WITHOUT CAUSE. If this Agreement is terminated by
Employer without cause, the Executive will be entitled to receive his Salary for
six consecutive calendar months thereafter and that portion of Executive
Incentive Compensation, if any, for the Fiscal Year during which the termination
is effective, prorated through the date of termination, payment of accrued but
unused vacation and medical coverage for six months following termination. If
the Executive terminates this Agreement, without cause, Executive will be
entitled to his Salary only through the date such termination is effective and
no Incentive Compensation for the Fiscal Year during which such termination
occurs or any subsequent Fiscal Years. In addition, if Executive terminates this
Agreement without cause, Employer may request in writing that Executive delay
the effectiveness of such termination for up to sixty days during which
Executive will be entitled to his Salary through the date such termination is
effective.

                                       6
<PAGE>

         (f) TERMINATION BY EXECUTIVE OR CHANGE OF CONTROL. If the Executive
upon the consummation of a Change of Control of the Employer does not accept
employment with the Employer's successor following such Change of Control, then
Executive may terminate this Agreement and will be entitled to receive his
Salary for twenty four consecutive calendar months in accordance with normal
payroll practices of Employer, and that portion of the Executive Incentive
Compensation for the Fiscal Year during which such Change in Control occurred.
Executive will not be entitled to any compensation hereunder if Executive
terminates this Agreement pursuant to Section 6.1(f) and Executive is employed
in any capacity (except as a consultant for not more than 90 days) by the person
or entity which caused the Change of Control within a period of six months
following notice of termination by Executive pursuant to Section 6.1(f) hereof.
In the event that Executive terminates this Agreement pursuant to Section 6.1(f)
hereof, and receives any payments under this Section 6.5(f) and is also employed
by the Employer or the person or entity causing the Change of Control (i) within
six months of such termination, then Executive will immediately remit to
Employer all payments made by Employer to Executive pursuant to this Section
6.5(f) since the date of employment or, (ii) more than six months following such
termination, then Executive will no longer be entitled to any payments pursuant
to this Section 6.5(f). In addition, in the event that Executive terminates this
Agreement pursuant to this Section 6.5(f), Executive shall be provided medical
coverage for one year following termination.

         (g) BENEFITS. The Executive's accrual of, or participation in plans
providing for, the Benefits will cease at the effective date of the termination
of this Agreement, and the Executive will be entitled to accrued Benefits
pursuant to such plans only as provided in such plans. The Executive will not
receive, as part of his termination pay pursuant to this Section 6, any payment
or other compensation for any vacation, holiday, sick leave, or other leave
unused on the date the notice of termination is given under this Agreement
unless the Management Committee agrees in its sole discretion to such payment or
other compensation. Any payment of Incentive Compensation under this Section 6.5
shall be made as described in Section 3.2 hereof.

7.       NON-DISCLOSURE COVENANT

         7.1      ACKNOWLEDGMENTS BY THE EXECUTIVE

         The Executive acknowledges that (a) during the Employment Period and as
a part of his employment, the Executive will be afforded access to Confidential
Information; (b) public disclosure of such Confidential Information could have
an adverse effect on the Employer and its business; and (c) the provisions of
this Section 7 are reasonable and necessary to prevent the improper use or
disclosure of Confidential Information.

         7.2      COVENANTS OF THE EXECUTIVE

         In consideration of the compensation and benefits to be paid or
provided to the Executive by the Employer under this Agreement, the Executive
covenants as follows:

         (a)      CONFIDENTIALITY.

                           (1) During and following the Employment Period, for a
                  period of three years, the Executive will hold in confidence
                  the Confidential Information and will not disclose it to any
                  person except with the specific prior written consent of the
                  Employer or except as otherwise expressly permitted by the
                  terms of this Agreement.

                           (2) Any trade secrets of the Employer will be
                  entitled to all of the protections and benefits under the laws
                  of the State of Texas and any other applicable law. If any
                  information that the Employer deems to be a trade secret is
                  found by a court of competent jurisdiction not to be a trade

                                       7
<PAGE>

                  secret for purposes of this Agreement, such information will,
                  nevertheless, be considered Confidential Information for
                  purposes of this Agreement. The Executive hereby waives any
                  requirement that the Employer submits proof of the economic
                  value of any trade secret or post a bond or other security.

                           (3) None of the foregoing obligations and
                  restrictions applies to any part of the Confidential
                  Information that the Executive demonstrates was or became
                  generally available to the public other than as a result of a
                  disclosure by the Executive.

                           (4) The Executive will not remove from the Employer's
                  premises (except to the extent such removal is for purposes of
                  the performance of the Executive's duties at home or while
                  traveling, or except as otherwise specifically authorized by
                  the Employer) any document, record, notebook, plan, model,
                  component, device, or computer software or code, whether
                  embodied in a disk or in any other form (collectively, the
                  "Proprietary Items"). The Executive recognizes that, as
                  between the Employer and the Executive, all of the Proprietary
                  Items, whether or not developed by the Executive, are the
                  exclusive property of the Employer. Upon termination of this
                  Agreement by either party, or upon the request of the Employer
                  during the Employment Period, the Executive will return to the
                  Employer all of the Proprietary Items in the Executive's
                  possession or subject to the Executive's control, and the
                  Executive shall not retain any copies, abstracts, sketches, or
                  other physical embodiment of any of the Proprietary Items.

         7.3      DISPUTES OR CONTROVERSIES

         The Executive recognizes that should a dispute or controversy arising
from or relating to this Agreement be submitted for adjudication to any court,
arbitration panel, or other third party, the preservation of the secrecy of
Confidential Information may be jeopardized. All pleadings, documents,
testimony, and records relating to any such adjudication will be maintained in
secrecy and will be available for inspection by the Employer, the Executive, and
their respective attorneys and experts, who will agree, in advance and in
writing, to receive and maintain all such information in secrecy, except as may
be limited by them in writing.

8.       NON-COMPETITION AND NON-INTERFERENCE COVENANTS

         8.1      ACKNOWLEDGMENTS BY THE EXECUTIVE

         The Executive acknowledges that: (a) the services to be performed by
him under this Agreement are of a special, unique, unusual, extraordinary, and
intellectual character; (b) the Employer's business is worldwide in scope and
its products are marketed throughout the world; (c) the Employer competes with
other businesses that are or could be located in any part of the world; and (d)
the provisions of this Section 8 are reasonable and necessary to protect the
Employer's business.

         8.2      COVENANTS OF THE EXECUTIVE

         In consideration of the acknowledgments by the Executive, and in
consideration of the compensation and benefits to be paid or provided to the
Executive by the Employer, the Executive covenants that he will not, directly or
indirectly:

                  (a) during the Employment Period, except in the course of his
employment hereunder, and during the Post-Employment Period, engage or invest
in, own, manage, operate, finance, control, or participate in the ownership,
management, operation, financing, or control of, be employed by, associated
with, or in any manner connected with, lend the Executive's name or any similar
name to, lend Executive's credit to or render services or advice to, any
business who competes in the compressed air services anywhere within the world;

                                       8
<PAGE>

provided, however, that the Executive may purchase or otherwise acquire up to
(but not more than) one percent of any class of securities of any enterprise
(but without otherwise participating in the activities of such enterprise) if
such securities are listed on any national or regional securities exchange or
have been registered under Section 12(g) of the Securities Exchange Act of 1934;

                  (b) whether for the Executive's own account or for the account
of any other person, at any time during the Employment Period and the
Post-Employment Period, solicit business of the same or similar type being
carried on by the Employer, from any person known by the Executive to be a
customer of the Employer, whether or not the Executive had personal contact with
such person during and by reason of the Executive's employment with the
Employer;

                  (c) whether for the Executive's own account or the account of
any other person (i) at any time during the Employment Period and the
Post-Employment Period without the Employer's prior written consent, solicit,
employ, or otherwise engage as an employee, independent contractor, or
otherwise, any person who is or was an employee of the Employer at any time
during the Employment Period or in any manner induce or attempt to induce any
employee of the Employer to terminate his employment with the Employer; or (ii)
at any time during the Employment Period and for three years thereafter,
interfere with the Employer's relationship with any person, including any person
who at any time during the Employment Period was an employee, contractor,
supplier, or customer of the Employer; or

                  (d) at any time during or after the Employment Period,
disparage the Employer or any of its shareholders, directors, officers,
employees, or agents.

For purposes of this Section 8.2, the term "Post-Employment Period" means the
three year period beginning on the date of termination of the Executive's
employment with the Employer.

         If any covenant in this Section 8.2 is held to be unreasonable,
arbitrary, or against public policy, such covenant will be considered to be
divisible with respect to scope, time, and geographic area, and such lesser
scope, time, or geographic area, or all of them, as a court of competent
jurisdiction may determine to be reasonable, not arbitrary, and not against
public policy, will be effective, binding, and enforceable against the
Executive.

         The period of time applicable to any covenant in this Section 8.2 will
be extended by the duration of any violation by the Executive of such covenant.

         The Executive will, while the covenant under this Section 8.2 is in
effect, give notice to the Employer, within ten days after accepting any other
employment, of the identity of the Executive's employer. The Employer may notify
such employer that the Executive is bound by this Agreement and, at the
Employer's election, furnish such employer with a copy of this Agreement or
relevant portions thereof.

9.       GENERAL PROVISIONS

         9.1      INJUNCTIVE RELIEF AND ADDITIONAL REMEDY

         The Executive acknowledges that the injury that would be suffered by
the Employer as a result of a breach of the provisions of this Agreement (as a
result of the provisions of Sections 7 and 8) would be irreparable and that an
award of monetary damages to the Employer for such a breach would be an
inadequate remedy. Consequently, the Employer will have the right, in addition
to any other rights it may have, to obtain injunctive relief to restrain any

                                       9
<PAGE>

breach or threatened breach or otherwise to specifically enforce any provision
of this Agreement, and the Employer will not be obligated to post bond or other
security in seeking such relief. Without limiting the Employer's rights under
this Section 9 or any other remedies of the Employer, if the Executive breaches
any of the provisions of Section 7 or 8, the Employer will have the right to
cease making any payments otherwise due to the Executive under this Agreement.

         9.2      COVENANTS OF SECTIONS 7 AND 8 ARE ESSENTIAL AND INDEPENDENT
                  COVENANTS

         The covenants by the Executive in Sections 7 and 8 are essential
elements of this Agreement, and without the Executive's agreement to comply with
such covenants, the Employer would not have entered into this Agreement. The
Employer and the Executive have independently consulted their respective counsel
and have been advised in all respects concerning the reasonableness and
propriety of such covenants, with specific regard to the nature of the business
conducted by the Employer.

         The Executive's covenants in Sections 7 and 8 are independent covenants
and the existence of any claim by the Executive against the Employer under this
Agreement or otherwise, will not excuse the Executive's breach of any covenant
in Section 7 or 8.

         If the Executive's employment hereunder expires or is terminated, this
Agreement will continue in full force and effect as is necessary or appropriate
to enforce the covenants and agreements of the Executive in Sections 6.5, 7 and
8.

         9.3      REPRESENTATIONS AND WARRANTIES BY THE EXECUTIVE

         The Executive represents and warrants to the Employer that the
execution and delivery by the Executive of this Agreement do not, and the
performance by the Executive of the Executive's obligations hereunder will not,
with or without the giving of notice or the passage of time, or both: (a)
violate any judgment, writ, injunction, or order of any court, arbitrator, or
governmental agency applicable to the Executive; or (b) conflict with, result in
the breach of any provisions of or the termination of, or constitute a default
under, any agreement to which the Executive is a party or by which the Executive
is or may be bound.

         9.4      OBLIGATIONS CONTINGENT ON PERFORMANCE

         The obligations of the Employer hereunder, including its obligation to
pay the compensation provided for herein, are contingent upon the Executive's
performance of the Executive's obligations hereunder.

         9.5      WAIVER

         The rights and remedies of the parties to this Agreement are cumulative
and not alternative. Neither the failure nor any delay by either party in
exercising any right, power, or privilege under this Agreement will operate as a
waiver of such right, power, or privilege, and no single or partial exercise of
any such right, power, or privilege will preclude any other or further exercise
of such right, power, or privilege or the exercise of any other right, power, or
privilege. To the maximum extent permitted by applicable law, (a) no claim or
right arising out of this Agreement can be discharged by one party, in whole or
in part, by a waiver or renunciation of the claim or right unless in writing
signed by the other party; (b) no waiver that may be given by a party will be
applicable except in the specific instance for which it is given; and (c) no
notice to or demand on one party will be deemed to be a waiver of any obligation
of such party or of the right of the party giving such notice or demand to take
further action without notice or demand as provided in this Agreement.

                                       10
<PAGE>

         9.6      BINDING EFFECT; DELEGATION OF DUTIES PROHIBITED

         This Agreement shall inure to the benefit of, and shall be binding
upon, the parties hereto and their respective successors, assigns, heirs, and
legal representatives, including any entity with which the Employer may merge or
consolidate or to which all or substantially all of its assets may be
transferred. The duties and covenants of the Executive under this Agreement,
being personal, may not be delegated.

         9.7      NOTICES

         All notices, consents, waivers, and other communications under this
Agreement must be in writing and will be deemed to have been duly given when (a)
delivered by hand (with written confirmation of receipt), (b) sent by facsimile
(with written confirmation of receipt), provided that a copy is mailed by
registered mail, return receipt requested, or (c) when received by the
addressee, if sent by a nation-ally recognized overnight delivery service
(receipt requested), in each case to the appropriate addresses and facsimile
numbers set forth below (or to such other addresses and facsimile numbers as a
party may designate by notice to the other parties):

         If to Employer:            AirComp, LLC
                                    7660 Woodway, Suite 200
                                    Houston, Texas  77063

                                    Attention:  Chairman of Management Committee
                                    Facsimile No.:   _______________

         With a copy to:            Wilson, Cribbs & Goren, P.C.
                                    2500 Fannin
                                    Houston, Texas  77002

                                    Attention:       Theodore F. Pound III
                                    Facsimile No.:   (713) 229-8824

         If to the Executive:       Terry Keane
                                    3431 Chapel Square Drive
                                    Spring, Texas  77388

                                    Facsimile No.:   _______________

         With a copy to:            Steve Williard
                                    2719 Colquitt Street
                                    Houston, Texas  77098

                                    Facsimile No.:  (713) 529-6315

                                       11
<PAGE>

         9.8      ENTIRE AGREEMENT; AMENDMENTS

         This Agreement, contain the entire agreement between the parties with
respect to the subject matter hereof and supersede all prior agreements and
understandings, oral or written, between the parties hereto with respect to the
subject matter hereof. This Agreement may not be amended orally, but only by an
agreement in writing signed by the parties hereto.

         9.9      GOVERNING LAW

         This Agreement will be governed by the laws of the State of Texas
without regard to conflicts of laws principles.

         9.10     JURISDICTION

         Any action or proceeding seeking to enforce any provision of, or based
on any right arising out of, this Agreement may be brought against either of the
parties in the courts of the State of Texas, County of Harris, or, if it has or
can acquire jurisdiction, in the United States District Court for the Southern
District of Texas, and each of the parties consents to the jurisdiction of such
courts (and of the appropriate appellate courts) in any such action or
proceeding and waives any objection to venue laid therein. Process in any action
or proceeding referred to in the preceding sentence may be served on either
party anywhere in the world.

         9.11     SECTION HEADINGS, CONSTRUCTION

         The headings of Sections in this Agreement are provided for convenience
only and will not affect its construction or interpretation. All references to
"Section" or "Sections" refer to the corresponding Section or Sections of this
Agreement unless otherwise specified. All words used in this Agreement will be
construed to be of such gender or number as the circumstances require. Unless
otherwise expressly provided, the word "including" does not limit the preceding
words or terms.

         9.12     SEVERABILITY

         If any provision of this Agreement is held invalid or unenforceable by
any court of competent jurisdiction, the other provisions of this Agreement will
remain in full force and effect. Any provision of this Agreement held invalid or
unenforceable only in part or degree will remain in full force and effect to the
extent not held invalid or unenforceable.

         9.13     COUNTERPARTS

         This Agreement may be executed in one or more counterparts, each of
which will be deemed to be an original copy of this Agreement and all of which,
when taken together, will be deemed to constitute one and the same agreement.

         9.14     WAIVER OF JURY TRIAL

         THE PARTIES HERETO HEREBY WAIVE A JURY TRIAL IN ANY LITIGATION WITH
RESPECT TO THIS AGREEMENT.

                                       12
<PAGE>

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

EMPLOYER:                           AIRCOMP, LLC

                                    By: Allis-Chalmers Corporation, Member
                                    By:  /s/ Munawar H. Hidayatallah
                                    Name: Munawar H. Hidayatallah
                                    Title:  Chairman and Chief Executive Officer

EXECUTIVE:                          TERRY KEANE

                                    By:  /s/ Terry Keane

                                       13

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