1) AMERICAN FAMILY LIFE ASSURANCE COMPANY (AFLAC)

2) ENERGY TRANSFER

3) ERNST & YOUNG LLP

4) GREAT AMERICA LLC

5) ILLINOIS AMERICAN WATER COMPANY

6) ILLINOIS BROADBAND & CABLE ASSOCIATION

7) ILLINOIS MECHANICAL & SPECIALTY CONTRACTORS ASSOCIATION (IMSCA)

8) SOUTHERN ILLINOIS HEALTH CARE FOUNDATION, INC.

9) TOUCHETTE REGIONAL HOSPITAL INC.

10) WASTE MANAGEMENT OF ILLINOIS INC.