1) AMERICAN PUBLIC GAS ASSOCIATION

2) ANIMAL WELLNESS ACTION

3) APEX CLEAN ENERGY, INC

4) ARKEMA INC.

5) BLACK MOUNTAIN LAND COMPANY LP

6) CALIFORNIA RECYCLING ALLIANCE

7) CONSUMER TECHNOLOGY ASSOCIATION

8) DRAX BIOMASS INC.

9) EASTMAN CHEMICAL COMPANY

10) EATON CORPORATION

11) LANXESS CORPORATION

12) LINDE INC.

13) NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION

14) NATIONAL READY MIXED CONCRETE ASSOCIATION

15) PHILLIPS 66

16) QUINTESSENCE MARINE INC. D/B/A INVERSA LEATHERS

17) RI-CORP. DEVELOPMENT, INC.

18) STE NORTH AMERICA INC. (FORMERLY ST ENGINEERING NORTH AMERICA, INC.)

19) SYENSQO USA LLC

20) TETHER OPERATIONS, S.A. DE C.V.

21) TETRA PAK INC.

22) THE PROCTER & GAMBLE COMPANY

23) WESTMORELAND MINING LLC