1) AMERESCO

2) AMERICAN STAFFING ASSOCIATION

3) ASTRAZENECA PHARMACEUTICALS, LP

4) AUTOMATIC BUILDING CONTROLS, LLC

5) CHAMP TITLES, INC.

6) DAN SHOMON INC.

7) ENOVA ONLINE SERVICES, INC.

8) FIRSTCASH, INC.

9) FOREST PRESERVE DISTRICT OF DUPAGE COUNTY

10) GEOTHERMAL EXCHANGE ORGANIZATION

11) GPD HOLDINGS LLC D/B/A COINFLIP

12) HEALTH CARE SERVICE CORPORATION

13) ILLNOIS ASSOCIATION OF COMMUNITY ACTION AGENCIES

14) LAKESHORE ENGINEERING LLC

15) PROFESSIONAL TOWING & RECOVERY OPERATORS OF ILLINOIS

16) RATIO STATES LLC

17) ROMANUCCI & BLANDIN, LLC

18) SIRENGPS, INC.

19) TAI GINSBERG & ASSOCIATES

20) THOMSON WEIR LLC

21) WHEATON PARK DISTRICT