1) AMERICAN FAMILY LIFE ASSURANCE COMPANY (AFLAC)

2) CATF ACTION, INC.

3) CHOOSE CHICAGO

4) DACRA TECH, LLC

5) ENERGY TRANSFER

6) ERNST & YOUNG LLP

7) FORD MOTOR COMPANY

8) GOLD RUSH AMUSEMENTS, INC.

9) GREAT AMERICA LLC

10) ILLINOIS AMERICAN WATER COMPANY

11) ILLINOIS BIOTECHNOLOGY INNOVATION ORGANIZATION

12) ILLINOIS BROADBAND & CABLE ASSOCIATION

13) ILLINOIS MECHANICAL & SPECIALTY CONTRACTORS ASSOCIATION (IMSCA)

14) PRAIRIE POWER, INC.

15) SOUTHERN ILLINOIS HEALTH CARE FOUNDATION, INC.

16) SOUTHERN ILLINOIS POWER COOPERATIVE

17) TOUCHETTE REGIONAL HOSPITAL

18) WASTE MANAGEMENT OF ILLINOIS INC.