Document:

EXHIBIT 10.6

[[REMAX LOGO]]              RE/MAX Real Estate Group
                           215 W. Rockrimmon Boulevard
                        Colorado Springs, Colorado 80919
                  Office: (719) 599-8500 / Fax: (719) 594-4573

THIS FORM HAS IMPORTANT LEGAL  CONSEQUENCES AND THE PARTIES SHOULD CONSULT LEGAL
AND TAX OR OTHER COUNSEL  BEFORE  SIGNING.  Compensation  charged by real estate
brokers is not set by law.  Such  charges  are  established  by each real estate
broker.
DIFFERENT  BROKERAGE  RELATIONSHIPS  AREA AVAILABLE  WHICH INCLUDE BUYER AGENCY,
SELLER AGENCY, SUBAGENCY OR TRANSACTION-BROKER.

                    EXCLUSIVE RIGHT-TO-SELL LISTING CONTRACT
                                  (COMMERCIAL)
                                 (SELLER AGENCY)

                                  COLORADO SPRINGS, Colorado   November 15, 2000
                                  ----------------             -----------------

Name(s) of Owner(s)
       ERICA HULL DBA NEW ALLIED CO.

("Seller") hereby irrevocably appoint(s)
TERRY & KATHY SULLIVAN
--------------------------------------------------------------------------------

215 W. ROCKRIMMON BLVD., COLORADO SPRINGS, CO 80919
--------------------------------------------------------------------------------
                            Broker's Name and Address

 ("Broker")  as Seller's  exclusive  agent for the  purposes and under the terms
specified herein, and the parties agree:

     1.  PURPOSE  OF  AGENCY.  The  purpose of this  agency  contract  ("Listing
Contact")  is to engage  the  efforts  of Broker to  accomplish  the sale of the
property legally described as:

VACANT LAND PARCEL CONTAINING  APPROXIMATELY TEN (8) [NOTE: "(8)" HANDWRITTEN IN
AND   INITIALED   BY  THE   SELLER   ON  FORM]   ACRES   (See   attached   Legal
Description)[NOTE: "SEE ATTACHED LEGAL DESCRIPTION" HANDWRITTEN IN AND INITIALED
BY THE SELLER ON FORM] LOCATED IN MONUMENT, EL PASO COUNTY, COLORADO.

also known as EXHIBIT A ATTACHED        , MONUMENT         CO        80132
              -------------------------- ----------------- ------ --------------
                  Street Address              City         State        Zip
together  with such  items of  personal  property  to be  conveyed  pursuant to
Section 8 (collectively, the "Property").

     2.  BROKER'S  SERVICES.  Broker is a limited  agent of the  Seller and will
represent only Seller.
     (a)  Broker shall  promote the interests of the Seller with the utmost good
          faith, loyalty and fidelity, including, but not limited to:
          (1)  Seeking a price and terms  which are  acceptable  to the  Seller;
               except  that Broker  shall not be  obligated  to seek  additional
               offers to purchase the Property while the Property is  subject to
               a contract for sale;
          (2)  Presenting  all offers to and from the Seller in a timely  manner
               regardless  of whether the  Property is subject to a contract for
               sale;
          (3)  Disclosing to the Seller adverse material facts actually known by
               the Broker;
          (4)  Counseling  the Seller as to any material  benefits or risks of a
               transaction actually known by the Broker;
          (5)  Advising  the  Seller to  obtain  expert  advice  as to  material
               matters  about which the Broker knows but the  specifics of which
               are beyond the expertise of the Broker;
          (6)  Accounting  in  a  timely  manner  for  all  money  and  property
               received; and
          (7)  Informing the Seller that such Seller may be  vicariously  liable
               for the  acts of such  Seller's  agent or any  subagent  when the
               Broker is acting within the scope of the agency relationship.
     (b)  Broker  shall not  disclose  the  following  information  without  the
          informed consent of the Seller:
          (1)  That the Seller is willing to accept  less than the asking  price
               for the Property;
          (2)  What  the  motivating  factors  are for the  Seller  to sell  the
               Property;
          (3)  That the Seller  will agree to  financing  terms other than those
               offered;
          (4)  Any material  information  about the Seller unless the disclosure
               is required by law or failure to disclose such information  would
               constitute fraud or dishonest dealing; or
          (5)  Any  facts  or  suspicions  regarding   circumstances  which  may
               psychologically  impact or stigmatize any real property  pursuant
               to Colorado law.
     (c)  Broker shall disclose to any  prospective  buyer all adverse  material
          facts  actually  known by Broker  including but not limited to adverse
          material  facts  pertaining  to the  title  to the  Property  and  the
          physical  condition  of the  Property,  any  material  defects  in the
          Property,  and any environmental  hazards affecting the Property which
          are required by law to be disclosed.

     3. SALE.  "Sale of the Property" or "Sale" means the voluntary  transfer or
exchange of any interest in the Property or the voluntary  creation of the right
to acquire any interest in the Property (including a contract or lease).

     4. EFFECT OF THIS LISTING CONTRACT.  By this appointment,  Seller agrees to
conduct all negotiations  for the Sale of the Property only through Broker,  and
to refer to Broker all inquires  received in any form from real estate  brokers,
salespersons,  prospective  buyers,  tenants or any other source during the time
this Listing  Contract is in effect.  Seller  authorizes  Broker to disclose any
facts  about  the  Property.   In  addition,   Seller  agrees  that  any  Broker
compensation  which is conditioned upon the Sale of the Property shall be earned
by Broker as set forth herein  without any discount or allowance for any efforts
made by Seller or by any representative of Seller in connection with the Sale of
the Property.
--------------------------------------------------------------------------------
The  printed   portions  of  this  form,   except   (italicized)(differentiated)
additions, have been approved by the Colorado Real Estate Commission.  LC11-9-95
EXCLUSIVE  RIGHT-TO-SELL  LISTING CONTRACT  (Commercial)  RealFA$T(R) Forms, Box
4700, Frisco, CO 80443,  Version 6.00,  (C)RealFA$T(R),  2000, Reg# LCOCOL223706
Completed by -TERRENCE P. SULLIVAN, BROKER ASSOCIATE, RE/MAX REAL ESTATE GROUP
                                                             11/08/00 20:34:42

                                                                    Page 1 OF 4
                                                               Seller(s)/s/ EJH

<PAGE>

     5. THE LISTING PERIOD. Broker's authority shall begin  November 15, 2000,
                                                            ------------------
and shall continue through June 01, 2001 ("Listing Period").
                           -------------

     6. PRICE AND TERMS. Price: U.S. $1.75 PER S.F.  Terms:

--------------------------------------------------------------------------------

Minimum amount of earnest money deposit U.S. $10,000  in the form of
                                              ------
CASH                    [[HANDWRITTEN IN "PERSONAL CHECK"]]

     7. DEPOSITS. Broker is authorized to accept earnest money deposits pursuant
to a proposed Sale  contract.  Broker is authorized to deliver the earnest money
deposit to the  closing  agent,  if any,  at or before  the  closing of the Sale
contract.

     8. PRICE TO INCLUDE.  The purchase  price  includes the following  items if
owned by Seller (a) if attached to the Property on the date of the agreement for
Sale: lighting, heating, plumbing,  ventilating,  and air conditioning fixtures,
TV antennas,  water  softeners,  smoke/fire/burglar  alarms,  security  devices,
inside  telephone  wiring and connecting  blocks/jacks,  plants,  mirrors, floor
coverings,  intercom systems, built-in kitchen appliances, sprinkler systems and
controls,  built-in  vacuum  systems  (including  accessories),  and garage door
openers including n/a remote controls; (b) if on the Property whether attached
                  ---
or not on the date of this Listing Contract:  storm windows, storm doors, window
and porch shades,  awnings,  blinds,  screens,  curtain rods,  drapery rods, all
keys; and (c)

n/a

The above described items ("Inclusions") shall be conveyed by Seller to buyer by
bill of sale at closing, all in their present condition,  ordinary wear and tear
excepted,  conveyed free and clear of all taxes,  liens and encumbrances  unless
assumed by buyer. The following attached fixtures are excluded from the Sale:
n/a

     9. TITLE AND  ENCUMBRANCES.  Seller  represents to Broker that title to the
Property is solely in Seller's name.  Seller shall deliver to Broker true copies
of all relevant title materials,  lease(s) and survey(s) in Seller's  possession
and shall disclose to Broker all  easements,  liens and other  encumbrances,  if
any, on the  Property,  of which Seller has  knowledge.  Seller  authorizes  the
holder of any  obligation  secured by an encumbrance on the Property to disclose
to Broker the amount owing on said encumbrance and the terms thereof.

     In case of Sale,  Seller agrees to convey, by a Special Warranty deed, only
                                                     ---------------- /s/ EH
that  title  Seller has  in  the Property.  All monetary encumbrances  (such  as
mortgages, deeds of trust, liens, financing statements) shall be paid by Seller
and released except as Seller and buyer may otherwise agree.  Existing  monetary
encumbrances are as follows:
n/a

The Property is subject to the following leases and tenancies:
n/a

If the Property has been or will be assessed for local improvements installed at
the time of signing a Sale contract,  Seller will be responsible  for payment of
same unless  otherwise  agreed.  Broker may terminate this Listing Contract upon
written notice to Seller that title is not satisfactory to Broker.

     10. EVIDENCE OF TITLE. Seller agrees to furnish buyer, at Seller's expense,
Seller's  choice of a commitment  for,  and a policy of,  title  insurance or an
abstract  of title to the  Property  certified  to a current  date in the amount
specified by any Sale contract.

     11. PRORATIONS.  General taxes for the year of closing,  based on the taxes
for the calendar year  immediately  preceding  closing,  rents,  water and sewer
charges,  owner's  association dues, and interest on continuing loan(s), if any,
and shall be prorated to the date of closing.

     12.  POSSESSION.  Possession of the Property shall be delivered to buyer as
follows: subject to the leases and tenancies as described in Section 9.

     13. MATERIAL DEFECTS - BROKER DISCLOSURES - INSPECTION.  Seller agrees that
any defects of a material  nature  (including,  but not  limited  to, structural
defects;  soil  conditions;  violations  of  health,  zoning or  building  laws;
nonconforming  uses and  zoning  variances)  actually  known by  Broker  must be
disclosed by Broker to any prospective  buyer.  Seller agrees that any buyer may
have the Property and Inclusions inspected.

     14. COMMISSION TO BROKER.
     (a)  Commission.  In  consideration  of the  services  to be  performed  by
          Broker, Seller agrees to pay Broker as follows:

--------------------------------------------------------------------------------
The  printed   portions  of  this  form,   except   (italicized)(differentiated)
additions, have been approved by the Colorado Real Estate Commission.  LC11-9-95
EXCLUSIVE  RIGHT-TO-SELL  LISTING CONTRACT  (Commercial)  RealFA$T(R) Forms, Box
4700, Frisco, CO 80443,  Version 6.00,  (C)RealFA$T(R),  2000, Reg# LCOCOL223706
Completed by -TERRENCE P. SULLIVAN, BROKER ASSOCIATE, RE/MAX REAL ESTATE GROUP
                                                             11/08/00 20:34:42

                                                                    Page 2 OF 4
                                                               Seller(s)/s/ EJH
<PAGE>

          (1)  Sale  Commission.(i) 7 (%) of  the  gross  sales  price  in  U.S.
               dollars, or (ii)    ----

          ----------------------------------------------------------------------

          (2)  Lease Commission (i) n/a (%) of  the gross rental under the lease
                                   -----
               in U.S. dollars, or (ii)
               n/a

     (b)  When Earned. Such commission shall be earned upon the happening of any
          of the following:
          (1)  Any Sale of the Property within the Listing Period by Seller,  by
               Broker or by any other person;
          (2)  [[NOTE: ITEM 2 CROSSED OUT AND INITIALED BY BUYER]]  /s/ EJH
          (3)  Any Sale of the Property  within 120 calendar days  subsequent to
                                                ---
               the  expiration  of the  Listing  Period  ("Holdover  Period") to
               anyone with whom Broker  negotiated and whose name was submitted,
               in  writing,  to Seller  by  Broker  during  the  Listing  Period
               (including  any  extensions  thereof);  provided,  however,  that
               Seller shall owe no  commission  to Broker under this  subsection
               (3) if a  commission  is earned by another  licensed  real estate
               broker  acting  pursuant to an  exclusive  right-to-sell  listing
               contract or an exclusive  agency  listing  contract  entered into
               during the Holdover Period.
     (c)  When Applicable and Payable. The commission  obligation sha11 apply to
          a Sale made during the Listings Period or made during any extension of
          such original or extended term. The commission described in subsection
          (a)(1)  shall be  payable  at the time of the  closing  of the Sale as
          contemplated by subsection  (b)(1) or (b)(3),  or upon  fulfillment of
          subsection  (b)(2)  where  either  the  offer  made by such  buyer  is
          defeated  by  Seller  or by  the  refusal  or  neglect  of  Seller  to
          consummate the Sale as agreed upon.
     (d)  Lease and Lease Option  Commissions.  If the transaction consists of a
          lease or a lease and right to purchase the  Property, the  commission
          relating  to the lease  shall be as  provided  in  subsection  (a)(2),
          payable as follows:
          n/a

     15.   LIMITATION  ON  BROKER'S   COMPENSATION.   Broker  shall  not  accept
compensation  from the buyer, the buyer's agent, or any entity  participating in
or providing services for the Sale without the written consent of Seller.

     16. OTHER BROKERS, ASSISTANCE-MULTIPLE LISTING SERVICE.

     (a)  Broker  shall  seek  assistance  from and  offer  compensation  to the
          following  brokers  outside  of the  listing  company: (Check all that
          apply.)

      []  (1) Other Brokers representing Seller ("Subagents").

          (Subagents  representing  Seller  owe  duties  of utmost  good  faith,
          loyalty and fidelity to Seller only. Seller may be vicariously  liable
          for the acts of  Subagents  when  acting  in the  scope of the  agency
          relationship.)

          Broker  will  offer  compensation  to  Subagents  as follows:
          (i)     (%) of the gross sales price in U.S. dollars or (ii)
             -----

          ----------------------------------------------------------------------

      [X] (2) Brokers  representing  the buyer ("Buyer  Agents").
          (Buyer  Agents  representing  Buyer or duties of  utmost  good  faith,
          loyalty and fidelity to buyer only. Seller is not vicariously liable
          for the acts of Buyer Agents.)

          Broker will offer compensation to Buyer Agents as follows: (i) 3.5 (%)
                                                                        -----
          of the gross sales price in U.S. dollars, or (ii)

          ----------------------------------------------------------------------

      [X] (3) Brokers  assisting the buyer in the  transaction but not acting as
          agents  ("Transaction-Brokers").

          (Transaction-Brokers  must exercise reasonable skill and care for the
          parties.   Seller  is  not   vicariously   liable  for  the  acts  of
          Transaction-Broker.)

          Broker will offer compensation to Transaction-Broker as follows:
          (i) 3.5 (%)  of the gross sales price in U.S. dollars, or (ii)
              ---

          ----------------------------------------------------------------------

     (b)  Broker [X] will [] will not submit the Property to a multiple  listing
          service.

     17. IN-COMPANY DUAL AGENCY AND TRANSACTION-BROKER. If a written Dual Agency
Addendum or  Transaction-Broker  Addendum  is signed by Seller,  Broker may show
Property to buyers represented or assisted by Broker.

     18.  FORFEITURE OF PAYMENTS.  In the event of a forfeiture of payments made
by a buyer,  the sums  received  shall be divided  between  Broker  and  Seller,
one-half thereof to Broker, but not to exceed the commission agreed upon herein,
and the balance to Seller.

     19. COST OF SERVICES; REIMBURSEMENT.  Unless otherwise specified in Section
28,  Broker  shall bear all expenses  incurred by Broker,  if any, to market the
Property and to compensate  cooperating  brokers, if any. Broker will not obtain
or order any other  products or services  unless Seller agrees in writing to pay
for them  promptly  when  due.  Unless  otherwise  agreed,  Broker  shall not be
obligated  to advance  funds for the  benefit  of Seller in order to  complete a
closing. (Examples: surveys, radon tests, soil tests, title reports, engineering
studies.)  Seller shall  reimburse  Broker for payments  made by Broker for such
other products or services authorized by Seller.

     20.  MAINTENANCE  OF THE  PROPERTY.  Seller agrees that Broker shall not be
responsible  for  maintenance  of the  Property  nor shall  Broker be liable for
damage of any kind occurring to the Property, unless such damage shall be caused
by the negligence of Broker.

     21. OTHER SELLERS. Seller acknowledges that Broker may have agreements with
other sellers to market and sell their properties.

     22.  NONDISCRIMINATION.  The parties agree not to  discriminate  unlawfully
against any prospective  buyer because of the race,  creed,  color, sex, marital
status, national origin, familial status, physical  or mental handicap, religion
or ancestry of such person.

--------------------------------------------------------------------------------
The  printed   portions  of  this  form,   except   (italicized)(differentiated)
additions, have been approved by the Colorado Real Estate Commission.  LC11-9-95
EXCLUSIVE  RIGHT-TO-SELL  LISTING CONTRACT  (Commercial)  RealFA$T(R) Forms, Box
4700, Frisco, CO 80443,  Version 6.00,  (C)RealFA$T(R),  2000, Reg# LCOCOL223706
Completed by -TERRENCE P. SULLIVAN, BROKER ASSOCIATE, RE/MAX REAL ESTATE GROUP
                                                             11/08/00 20:34:42

                                                                    Page 3 OF 4
                                                               Seller(s)/s/ EJH

<PAGE>

     23.  RECOMMENDATION  OF LEGAL  COUNSEL.  By signing this  document,  Seller
acknowledges  that the Broker has advised that this document has important legal
consequences  and has  recommended  consultation  with  legal  and tax or  other
counsel before signing this contract.

     24. ALTERNATIVE DISPUTE RESOLUTION:  MEDIATION. If a dispute arises between
the parties relating to this contract, and is not resolved, the parties involved
in such  dispute  (Disputants)  shall first  proceed in good faith to submit the
matter to mediation.  The Disputants will jointly appoint an acceptable mediator
and will share  equally in the cost of such  mediation.  In the event the entire
dispute is not resolved within  thirty (30)  calendar days from the date written
notice  requesting  mediation  is sent by one  Disputant  to the  other(s),  the
mediation,  unless otherwise  agreed,  shall  terminate.  This section shall not
alter any date in this contract, unless otherwise agreed.

     25. ATTORNEY FEES. In case of arbitration or litigation  between Seller and
Broker  in their  respective  capacities,  the  parties  agree  that  costs  and
reasonable attorney fees shall be awarded to the prevailing party.

     26.  MODIFICATION OF THIS LISTING CONTRACT.  No subsequent  modification of
any of the  terms of this  Listing  Contract  shall be valid,  binding  upon the
parties, or enforceable unless made in writing and signed by the parties.

     27.  ENTIRE  AGREEMENT.   This  Listing  Contract  constitutes  the  entire
agreement  between the parties  relating  to the subject  hereof,  and any prior
agreements  pertaining  thereto,  whether oral or written,  have been merged and
integrated into this Listing Contract

     28. ADDITIONAL PROVISIONS. (The language of these additional provisions has
not been approved by the Colorado Real Estate Commission).
                                                           ---------------------

--------------------------------------------------------------------------------

--------------------------------------------------------------------------------

     29.  COPIES OF  AGREEMENT.  This  Listing  Contract is executed in multiple
copies and Seller acknowledges receipt of a copy of this Listing Contract signed
by Broker.

     30. COUNTERPARTS. If more than one person is named as a Seller herein, this
Listing  Contract  may be executed by each Seller,  individually,  and when each
Seller has executed a copy of this Listing Contract,  such copies taken together
shall be deemed to be a full and complete contract between the parties.

Accepted:       RE/MAX REAL ESTATE GROUP
Broker          215 WEST ROCKRIMMON BLVD.
                COLORADO SPRINGS, CO 80919
                Phone: 719-599-8500,  Fax: 719-594-4573

                By:  /s/ Terrence P. Sullivan                   11-13-00
                     -----------------------------------------------------------
                  Signature     TERRENCE P. SULLIVAN              Date

SELLER  /s/ Erica Hull     President                            12-4-00
--------------------------------------------------------------------------------
NEW ALLIED DEVELOPMENT CORP.
Home #:  972-539-9222
11201 E. Arapahoe Rd. Suite B-14
Englewood, CO 80112

--------------------------------------------------------------------------------
The  printed   portions  of  this  form,   except   (italicized)(differentiated)
additions, have been approved by the Colorado Real Estate Commission.  LC11-9-95
EXCLUSIVE  RIGHT-TO-SELL  LISTING CONTRACT  (Commercial)  RealFA$T(R) Forms, Box
4700, Frisco, CO 80443,  Version 6.00,  (C)RealFA$T(R),  2000, Reg# LCOCOL223706
Completed by -TERRENCE P. SULLIVAN, BROKER ASSOCIATE, RE/MAX REAL ESTATE GROUP
                                                             11/08/00 20:34:42

                                                                    Page 4 OF 4
                                                               Seller(s)/s/ EJH
<PAGE>

[STAMP]
                           J. Patrick Kelly  El Paso Cty, CO   099098258
                           06/18/1999       02:46
                           Doc   $0.00   Page
                           Rec   $50.00    8 of 10

--------------------------------------------------------------------------------
                          J. Patrick Kelly  El Paso Cnty, CO   04/13/1998  11:49
                          MC93C46590 Doc     5:00 Rec    $80.00   PC 16/      16

[LOGO]
                                   EXHIBIT "A"

                              PROPERTY DESCRIPTION

A TRACT OF LAND BEING  PORTIONS OF THE  SOUTHWEST  QUARTER OF SECTION 23 AND THE
SOUTHEAST QUARTER OF SECTION 22, BOTH IN TOWNSHIP 11 SOUTH, RANGE 67 WEST OF THE
6th P.M., EL PASO COUNTY, COLORADO MORE PARTICULARLY DESCRIBED AS:

BEGINNING AT THE  NORTHEAST  CORNER OF THE  SOUTHEAST  QUARTER OF THE  SOUTHEAST
QUARTER OF SECTION 22, TOWNSHIP 11 SOUTH,  RANGE 67 WEST OF THE 6th P.M.; THENCE
S 88(degree)30'10" W ON THE NORTH LINE OF MONUMENT  INDUSTRIAL PARK - PHASE 2 AS
RECORDED  IN PLAT  BOOK  T-3 AT PAGE  105 OF THE  RECORDS  OF EL PASO  COUNTY  A
DISTANCE OF 289.29 FEET TO THE  EASTERLY  RIGHT-OF-WAY  LINE OF SYNTHES  AVENUE;
THENCE NORTHERLY ON SAID RIGHT-OF-WAY LINE THE FOLLOWING THREE COURSES:

     1)   ON A CURVE,  CONCAVE TO THE WEST,  HAVING A RADIUS OF 400.00  FEET,  A
          CENTRAL ANGLE OF 27(degree)7"41'30",  AN ARC LENGTH OF 193.32 FEET AND
          A CHORD BEARING N 13(degree)15'05" W A DISTANCE OF 191.45 FEET;

     2)   N 27(degree)05'50" W A DISTANCE OF 696.51 FEET;

     3)   ON A CURVE TO THE LEFT HAVING A RADIUS OF 400.00 FEET, A CENTRAL ANGEL
          OF 20(degree)26'37" AND AN ARC LENGTH OF 142.72 FEET;

THENCE N  42(degree)27'33"  E ON A LINE RADIAL TO THE PRECEDING CURVE A DISTANCE
OF 338.39 FEET TO A POINT ON THE  WESTERLY  RIGHT-OF-WAY  LINE OF THE DENVER AND
RIO  GRANDE  WEST  RAILROAD;  THENCE  S  27(degree)05'50"  E  ON  SAID  WESTERLY
RIGHT-OF-WAY  LINE A DISTANCE OF 1119.52 FEET TO THE WEST LINE OF THE  SOUTHWEST
QUARTER OF SECTION  23,  TOWNSHIP  11 SOUTH,  RANGE 67 WEST;  THENCE  CONTINUE S
27(degree)05'50"  E ON SAID  RIGHT-OF-WAY A DISTANCE OF 185.94 FEET TO THE SOUTH
LINE OF THE  NORTHWEST  QUARTER OF THE  SOUTHWEST  QUARTER OF SAID  SECTION  23;
THENCE N  89(degree)29'48"  W ON SAID SOUTH LINE A DISTANCE OF 86.67 FEET TO THE
POINT OF BEGINNING, THE DESCRIBED TRACT CONTAINS ?? ACRES, MORE OR LESS.

                                            [REGISTRATION STAMP]

NORTE and ASSOCIATES, Inc.
Engineers/Surveyors
5350 North Academy Boulevard, Suite 100, Colorado Springs, CO 80918
Tel 790-528-1159  Fax 790-528-6244
           Serving Clients Throughout the Western United States

<PAGE>

[MAP OF PROPERTY]EXHIBIT 10.7

All other terms and conditions of said contract shall remain the same.
                  RE/MAX REAL ESTATE GROUP
                  215 W. ROCKRIMMON BOULEVARD
                  COLORADO SPRINGS, CO  80919
                  Phone: 719-599-8500  Fax: 719-594-4573

[[REMAX LOGO]]          RE/MAX Real Estate Group
                        215 W. Rockrimmon Boulevard
                        Colorado Springs, Colorado 80919
                        Office: (719) 599-8500 / Fax: (719) 594-4573

THIS FORM HAS IMPORTANT LEGAL  CONSEQUENCES AND THE PARTIES SHOULD CONSULT LEGAL
AND TAX OR OTHER COUNSEL BEFORE SIGNING.

                            AGREEMENT TO AMEND/EXTEND
                              CONTRACT WITH BROKER

                                                             Date: July 26, 2001
                                                                   -------------

This Agreement To Amend/Extend amends the following contract which is checked:

[X]      Listing Contract or;

[]       Exclusive Right-to-Lease Contract,

dated November 15, 2000    , relating to the sale or lease of the real estate in
      --------------------
the County of EL PASO           , Colorado, (Legal Description):
              -----------------
VACANT  LAND  PARCEL  CONTAINING  APPROXIMATELY  eight  (8)  ACRES  (PARCEL  NO.
71000-00-003)  LOCATED IN MONUMENT,  EL PASO COUNTY,  COLORADO.  LEGAL  ATTACHED
EXHIBIT "A"

Known as REPLAT OF SEC 22 TNSH11S0    MONUMENT    CO        80123
         ---------------------------------------- --------- -------- (Property).
               Street Address          City         State     Zip

[]       Exclusive Right-to-Buy Contract or;

[]       Exclusive Tenant Contract,

dated                               , between Broker named below and Broker's
      -----------------------------
salesperson(s) ("Broker") and the undersigned Buyer or Seller.

     If this  Agreement  is used  with a lease or rental  transaction,  the word
"Seller" shall mean "Landlord", and the word "Buyer" shall mean "Tenant".

     This  Agreement will control in the event of any conflict with the contract
to which it amends.

     Buyer or  Seller  and  Broker  agree to amend  the  aforesaid  contract  as
follows:

     1.   The date  ending the Listing  Period or  Duration  of  Agency/Duration
          Relationship is extended to December 31, 2001.

     2.   If  this   Agreement   amends  the  Listing   Contract  or   Exclusive
          Right-to-Lease  Contract,  the price or rental  rate is  changed  to
          $499,000.00.

     3.   Additional amendments:

     SELLER TO PAY A CO-OP FEE OF 8% FOR  VACANT  LAND AND IN EVENT THE  LISTING
     AGENT SELLS PROPERTY HIMSELF THE COMMISSION TO BE 6%

The printed portions of this form have been approved by the Colorado Real Estate
Commission.  (AE42-7-96)  AE42-7-96.  Agreement To  Amend/Extend  Contract  with
Broker   RealFA$T(R)   Forms,  Box  4700,   Frisco,  CO  80443,   Version  6.00,
(C)RealFA$T(R), 2001, Reg# LCOCOL223706
Completed by - TERRENCE P. SULLIVAN, BROKER ASSOCIATE, RE/MAX REAL ESTATE GROUP
                                                             07/20/01 11:01:35

                                                                     Page 1 of 2

<PAGE>

All other terms and conditions of said contract shall remain the same.
             RE/MAX REAL ESTATE GROUP
             215 WEST ROCKRIMMON BLVD.
             COLORADO SPRINGS, CO80919
             Phone: 719-599-8500,  Fax: 719-594-4573

             By: /s/ Terrence P. Sullivan                            7-25-01
                ----------------------------------------------------------------
                 Signature   TERRENCE P. SULLIVAN                      Date

SELLER   /s/ Erica Hull                                        DATE  8-8-01
            ------------------------------------------------        ------------
  ERICA HULL DBA NEW ALLIED CO.

or

Buyer                                                          DATE
            ------------------------------------------------        ------------

The printed portions of this form have been approved by the Colorado Real Estate
Commission.  (AE42-7-96)  AE42-7-96.  Agreement To  Amend/Extend  Contract  with
Broker   RealFA$T(R)Forms,   Box  4700,   Frisco,   CO  80443,   Version   6.00,
(C)RealFA$T(R), 2001, Reg# LCOCOL223706
Completed by - TERRENCE P. SULLIVAN, BROKER ASSOCIATE, RE/MAX REAL ESTATE GROUP
                                                             07/26/01 11:01:35

                                                                     Page 2 of 2
<PAGE>

                          J. Patrick Kelly  El Paso Cnty, CO   04/13/1998  11:49
                          MC93C46590 Doc     5:00 Rec    $80.00   PC 16/      16

[LOGO]
                                   EXHIBIT "A"

                              PROPERTY DESCRIPTION

A TRACT OF LAND BEING  PORTIONS OF THE  SOUTHWEST  QUARTER OF SECTION 23 AND THE
SOUTHEAST QUARTER OF SECTION 22, BOTH IN TOWNSHIP 11 SOUTH, RANGE 67 WEST OF THE
6th P.M., EL PASO COUNTY, COLORADO MORE PARTICULARLY DESCRIBED AS:

BEGINNING AT THE  NORTHEAST  CORNER OF THE  SOUTHEAST  QUARTER OF THE  SOUTHEAST
QUARTER OF SECTION 22, TOWNSHIP 11 SOUTH,  RANGE 67 WEST OF THE 6th P.M.; THENCE
S 88(degree)30'10" W ON THE NORTH LINE OF MONUMENT  INDUSTRIAL PARK - PHASE 2 AS
RECORDED  IN PLAT  BOOK  T-3 AT PAGE  105 OF THE  RECORDS  OF EL PASO  COUNTY  A
DISTANCE OF 289.29 FEET TO THE  EASTERLY  RIGHT-OF-WAY  LINE OF SYNTHES  AVENUE;
THENCE NORTHERLY ON SAID RIGHT-OF-WAY LINE THE FOLLOWING THREE COURSES:

     1)   ON A CURVE,  CONCAVE TO THE WEST,  HAVING A RADIUS OF 400.00  FEET,  A
          CENTRAL ANGLE OF 27(degree)7"41'30",  AN ARC LENGTH OF 193.32 FEET AND
          A CHORD BEARING N 13(degree)15'05" W A DISTANCE OF 191.45 FEET;

     2)   N 27(degree)05'50" W A DISTANCE OF 696.51 FEET;

     3)   ON A CURVE TO THE LEFT HAVING A RADIUS OF 400.00 FEET, A CENTRAL ANGEL
          OF 20(degree)26'37" AND AN ARC LENGTH OF 142.72 FEET;

THENCE N  42(degree)27'33"  E ON A LINE RADIAL TO THE PRECEDING CURVE A DISTANCE
OF 338.39 FEET TO A POINT ON THE  WESTERLY  RIGHT-OF-WAY  LINE OF THE DENVER AND
RIO  GRANDE  WEST  RAILROAD;  THENCE  S  27(degree)05'50"  E  ON  SAID  WESTERLY
RIGHT-OF-WAY  LINE A DISTANCE OF 1119.52 FEET TO THE WEST LINE OF THE  SOUTHWEST
QUARTER OF SECTION  23,  TOWNSHIP  11 SOUTH,  RANGE 67 WEST;  THENCE  CONTINUE S
27(degree)05'50"  E ON SAID  RIGHT-OF-WAY A DISTANCE OF 185.94 FEET TO THE SOUTH
LINE OF THE  NORTHWEST  QUARTER OF THE  SOUTHWEST  QUARTER OF SAID  SECTION  23;
THENCE N  89(degree)29'48"  W ON SAID SOUTH LINE A DISTANCE OF 86.67 FEET TO THE
POINT OF BEGINNING, THE DESCRIBED TRACT CONTAINS ?? ACRES, MORE OR LESS.

                                            [REGISTRATION STAMP]

NORTE and ASSOCIATES, Inc.
Engineers/Surveyors
5350 North Academy Boulevard, Suite 100, Colorado Springs, CO 80918
Tel 790-528-1159  Fax 790-528-6244
           Serving Clients Throughout the Western United States

                                       A-1

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