1) HEAT FROST INSULATORS LOCAL 1

2) HEIDELBERG MATERIALS MIDWEST AGG, INC.

3) I A H F I LOC 17 PAC

4) IBEW LOCAL 9

5) ILLINOIS SEARCH AND STAFFING ASSOCIATION

6) INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS-LOCAL UNION 134

7) JACKPOCKET, INC.

8) LANDMARK VI, LLC AND ITS AFFILIATES

9) LSP GENERATION IV, LLC AND AFFILIATES

10) MARTIN, MONA

11) MILAN LASER CORPORATE, LLC DBA MILAN LASER HAIR REMOVAL

12) NEW VENTURE FUND

13) SEALED

14) SECOND CITY WIND, LLC