EXHIBIT 10.41
                             SIXTH ADDENDUM TO LEASE

     The sixth  addendum to Lease  (Sixth  Addendum)  is made  between  James W.
Cameron,  Jr., an unmarried man (Lessor) and Alternative  Technology  Resources,
Inc.,  (ATR),  previously known as 3Net Systems,  Inc., a Delaware  Corporation,
(Lessee),  to be a part of that certain  Lease,  and any addendums  thereto (the
Lease),  dated  November 7, 1995  between  Lessor and Lessee.  Lessor and Lessee
agree that, not withstanding anything to the contrary in the Lease, the Lease is
hereby modified as follows;

1.   Effective  July 1, 2003,  paragraph  2(k) of the Lease is  modified to read
     approximately 4,827 square feet, located in the basement of the building.

          A.   Operations area 3,153 sf.
          B.   Corridor
               a)   Mall Machine area 480 sf
               b)   Storage area 906 sf
          C.   Telecommunications area 96 sf
          D.   Server Room 192 sf

2.   Effective July 1, 2003 paragraphs 2(a) and (j) of the Lease are modified to
     read: Base Rent shall not exceed the previous calendar years cash operating
     expense which is $.786 per sf for 2002.  Monthly  Installments of Base Rent
     shall be Three  Thousand  Seven  Hundred  Ninety  Four and  no/100  Dollars
     ($3,794.00).

3.   Lessee shall be responsible for consumables and janitorial expense.

4.   All accrued and unpaid rent in the sum of Five Hundred Fifty Nine Thousand,
     Two Hundred  Nineteen  Dollars and 62/100  ($559,219.62)  to June 30, 2003,
     shall be forgiven.

5.   In consideration for forgiven unpaid rent, Lessee shall provide, during the
     term of the Lease,  any extensions  thereto,  including month to month, the
     following  services,  supplies  and  equipment  at  Lessee's  sole cost and
     expense to Lessor:

          1.   Internet access to all employees of Cameron &. Associates;
          2.   PC software and hardware support  including  surplus  replacement
               parts;
          3.   Ownership  to the surplus  equipment  attached  hereto as Exhibit
               "A"; and
          4.   Use of telecommunications and server room.

6.   Rent  shall be  modified  each  February  1st to reflect  the  actual  cash
     operating expense of the previous calendar year.

7.   All other terms and conditions of the Lease, not inconsistent herewith, are
     incorporated  herein by  reference  as though fully set forth and remain in
     full force and effect unless modified by the Sixth Addendum to Lease.



AGREED AND ACCEPTED:
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LESSOR:                                   LESSEE:
JAMES W. CAMERON, JR.                     Alternative Technology Resources, Inc.
                                          A Delaware Corporation

By: /s/ James W. Cameron, Jr.             By: /s/ Mark W. Rieger
   ------------------------------            -----------------------------------

Printed                                   Printed
Name:  James W. Cameron, Jr.              Name:  Mark Rieger


Title:  Owner                             Title:  Chief Executive Officer

Date:  7/18/03                            Date:  7/18/03