Document:

EXHIBIT 10.16
                                                                   -------------

                                 PROMISSORY NOTE
                                 ---------------

$850,000.00                                                     Norman, Oklahoma
                                                                    June 1, 2001

         FOR VALUE RECEIVED, the undersigned Borrowers, jointly and severally,
promise to pay to the order of Hildalgo Trading Company, L.C. (the "Lender") at
Norman, Oklahoma, or such other place as the holder may designate in writing,
the principal sum of Eight Hundred Fifty Thousand Dollars ($850,000.00), or so
much thereof as shall be disbursed, with interest thereon from the date of any
advance hereunder until maturity at twelve percent (12%) per annum. The
outstanding principal and accrued interest shall be payable in a single lump sum
payment at maturity on October 15, 2001.

         The undersigned agree that if, and as often as, this Note is placed in
the hands of an attorney for collection or to defend or enforce any of the
holder's rights hereunder, the undersigned will pay to the holder a reasonable
attorney's fee, together with all court costs and other expenses of collection
paid by such holder.

         On the breach of any provision of this Note or of any other instrument
evidencing or securing payment of this Note, at the option of the holder, and,
should the undersigned fail to cure the breach within ten (10) days after
receipt of written notice specifying the breach, the entire indebtedness hereby
evidenced will become due, payable and collectible then or thereafter as the
holder may elect, regardless of the date of maturity hereof.

         This Note may be prepaid in whole or in part at any time, without
penalty.

         This Note is made, executed, delivered and to be performed in Norman,
Oklahoma and shall be governed by and construed in accordance with the laws of
the State of Oklahoma applicable to promissory notes made and to be performed
therein, without reference to its conflict of laws provisions. Any suit, action
or proceeding with respect to this Note shall be brought exclusively in the
Oklahoma State courts of competent subject matter jurisdiction sitting in
Cleveland County, Oklahoma, or in the United States District Court for the
District of Oklahoma in which Cleveland County is located. The Borrowers hereby
irrevocably waive any objections which Borrowers may now or hereafter have to
the jurisdiction or venue of any suit, action or proceeding, arising out of or
relating to this Note, brought in such courts, and hereby further irrevocably
waive any claim that such suit, action or proceeding brought in any such court
has been brought in an inconvenient forum. The Borrowers hereby further
irrevocably waive any right to a jury trial in any action arising out of or in
connection with this Note or any related agreements.

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<PAGE>

         For the purpose of computing interest under this Note, payments of all
or any portion of the principal sum owing under this Note will not be deemed to
have been made until such payments are received by the Lender in collected
funds.

         All agreements between the Borrowers and the Lender are expressly
limited so that in no event whatsoever, whether by reason of disbursement of the
proceeds hereof or otherwise, shall the amount of interest or finance charge (as
defined by the laws of the State of Oklahoma) paid or agreed to be paid by the
Borrowers to the Lender exceed the highest lawful contractual rate of interest
or the maximum finance charge permissible under the law which a court of
competent jurisdiction, by final non-appealable order, determines to be
applicable hereto. If fulfillment of any agreement between the Borrowers and the
Lender, at the time the performance of such agreement becomes due, involves
exceeding such highest lawful contractual rate or such maximum permissible
finance charge, then the obligation to fulfill the same shall be reduced so that
such obligation does not exceed such highest lawful contractual rate or maximum
permissible finance charge. If by any circumstance the Lender shall ever receive
as interest or finance charge an amount which would exceed the amount allowed by
applicable law, the amount which may be deemed excessive shall be deemed applied
to the principal of the indebtedness evidenced hereby and not to interest. All
interest and finance charges paid or agreed to be paid to the Lender shall be
prorated, allocated and spread throughout the full period of this Note. The
terms and provisions of this paragraph shall control all other terms and
provisions contained herein and in any of the other documents executed in
connection herewith. If any provision of this Note or the application thereof to
any party or encumbrance is held invalid or unenforceable, the remainder of this
Note and the application of such provision to other parties or circumstances
shall not be affected thereby, the provisions of this Note being severable in
any such instance.

         The makers, endorsers, sureties, guarantors and all other persons who
may be liable for all or any part of this obligation severally waive presentment
for payment, protest, demand and notice of nonpayment. Said parties consent to
any extension of time (whether one or more) of payment hereof, release of all or
any part of the security for the payment hereof, or release of any party liable
for payment of this obligation. Any such extensions or release may be made
without notice to any such party and without discharging said party's liability
hereunder.

         The failure of the Lender to exercise any of the remedies or options
set forth in this Note or in any instrument securing payment hereof, or any
agreement by the Lender to forebear from exercising any available remedy for any
specified period upon the occurrence of one or more of the events of default
shall not constitute a waiver of the right to exercise the same or any other
remedy at law, or in equity, at any subsequent time in respect to the same or
any other event of default. The acceptance by the Lender of any payment which is
less than the total of all amounts due and payable at the time of such payment
shall not constitute a waiver of the right to exercise any of the foregoing
remedies or options at that time or at any subsequent time, or nullify any prior
exercise of any such remedy or option, without the express consent of the
Lender, except as and to the extent otherwise provided by law.

                                      - 2 -
<PAGE>

"BORROWERS"                                 PALWEB CORPORATION

                                        By: /s/ Paul A. Kruger
                                            -----------------------------------
                                            Paul A. Kruger, President

                                            PLASTIC PALLET PRODUCTION, INC.

                                        By: /s/ Paul A. Kruger
                                            -----------------------------------
                                            Paul A. Kruger, President

                                      - 3 -EXHIBIT 10.17
                                                                   -------------

                               EXTENSION AGREEMENT

         THIS EXTENSION AGREEMENT (the "Agreement") is made and entered into
effective as of September 1, 2001, by and between YORKTOWN MANAGEMENT AND
FINANCIAL SERVICES, L.L.C. ( the "Lender"), and PALWEB CORPORATION and PLASTIC
PALLET PRODUCTION, INC. (the "Borrowers").

                                R E C I T A L S:

         A. Borrowers made, executed and delivered to Lender that certain
Promissory Note dated March 1, 2001, payable to the order of Lender in the
stated principal amount of $250,000.00 and maturing September 1, 2001 (the
"Initial Note").

         B. To secure payment of the Initial Note, Borrowers each made, executed
and delivered to Lender a certain Security Agreement dated March 1, 2001.

         C. Borrowers and Lender desire to extend the maturity of the Initial
Note to October 15, 2001, effective as of the date of this Agreement.

                              A G R E E M E N T S:

         NOW, THEREFORE, in consideration of the promises and agreements
contained herein and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Borrowers and Lender agree as
follows:

         1. Extension of Maturity. Borrowers and Lender hereby agree to extend
the maturity of the Initial Note to October 15, 2001, effective as of the date
of this Agreement. All other terms and conditions set forth in the Initial Note
shall continue in full force and effect, and all Security Agreements, collateral
documents and other instruments securing payment of the Initial Note shall
continue in full force and effect as security for payment of the indebtedness
evidenced by said note, subject, however, to the prior and superior security
interest of Hildalgo Trading Company, L.C. in the Borrowers' assets as described
in those certain Security Agreements dated June 27, 2000, between Borrowers and
Hildalgo Trading Company, L.C., which assets secure the payment of all
liabilities of the Borrowers to Hildalgo.

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

                                        1
<PAGE>

"Borrowers"                                   PALWEB CORPORATION

                                        By:   /s/ Paul A. Kruger
                                              ---------------------------------
                                              Paul A. Kruger, President

                                              PLASTIC PALLET PRODUCTION, INC.

                                        By:   /s/ Paul A. Kruger
                                              ---------------------------------
                                              Paul A. Kruger, President

"Lender"                                      YORKTOWN MANAGEMENT AND FINANCIAL
                                              SERVICES, L.L.C.

                                        By:   /s/ Warren F. Kruger
                                              ---------------------------------
                                              Warren F. Kruger, Manager

                                        2

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