1) AMERICAN RECYCLABLE PLASTIC BAG ALLIANCE (ARPBA)

2) BURKE, CHRISTOPHER B. ENGINEERING, LTD.

3) CANNON COCHRAN MANAGEMENT SERVICES, INC. (CCMSI)

4) CHICAGO JOURNEYMEN PLUMBERS' L.U. 130, U.A.

5) CHICAGOLAND PUBLIC ADJUSTERS ASSOCIATION

6) ILLINOIS ASPHALT PAVEMENT ASSOCIATION

7) ILLINOIS CONSTRUCTION INDUSTRY COMMITTEE

8) LEYDEN TOWNSHIP

9) MAC RX

10) S.I.R. MANAGEMENT, INC.

11) SANGAMON COUNTY WATER RECLAMATION DISTRICT

12) SWISHER INTERNATIONAL

13) WEST SUBURBAN ASSOCIATION OF PLUMBING CONTRACTORS