1) AIR CONDITIONING HEATING & REFRIGERATION INSTITUTE (FKA AIR CONDITIONING AND R)

2) AIR LIQUIDE USA LLC

3) AMEREN

4) AMERICAN CEMENT ASSOCIATION (FORMERLY PORTLAND CEMENT ASSOCIATION)

5) AMERICAN LEADS ALLIANCE

6) CAMECO CORPORATION

7) CEMENT KILN RECYCLING COALITION

8) DENKA PERFORMANCE ELASTOMER LLC

9) DT MIDSTREAM, INC.

10) DUKE ENERGY CORPORATION

11) ENERGY FORWARD

12) GEOTHERMAL EXCHANGE ORGANIZATION (GEO)

13) HEIDELBERG MATERIALS

14) KINDER MORGAN, INC

15) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

16) PLUG POWER, INC.

17) REPSOL SERVICES COMPANY

18) SALT RIVER PROJECT

19) SOUTHERN COMPANY

20) SUNGAS RENEWABLES INC

21) TELE-FONIKA CABLE AMERICAS CORPORATION

22) THE TREVOR PROJECT

23) VALERO ENERGY CORP

24) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)

1) AMEREN

2) AMERICAN CEMENT ASSOCIATION (FORMERLY PORTLAND CEMENT ASSOCIATION)

3) AQUESTIVE THERAPEUTICS

4) AVERY DENNISON CORPORATION

5) CAMECO CORPORATION

6) CEMENT KILN RECYCLING COALITION

7) DUKE ENERGY CORPORATION

8) ELECTRICITY CANADA

9) ENERGY FORWARD

10) GEOTHERMAL EXCHANGE ORGANIZATION (GEO)

11) GEVO, INC.

12) GLOBAL LASER ENRICHMENT LLC

13) HEIDELBERG MATERIALS

14) MARITIME INNOVATION COALITION

15) METHANEX (DBA METHANEX USA LLC, METHANEX LOUISIANA LLC, METHANEX GEISMAR III LLC

16) REPSOL SERVICES COMPANY

17) SALT RIVER PROJECT

18) SOUTHERN COMPANY

19) SUNGAS RENEWABLES INC

20) THE METHANOL INSTITUE

21) THIRD COAST SUPER HOLDINGS, LLC

22) VALERO ENERGY CORP

23) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)

1) AMERICAN CEMENT ASSOCIATION (FORMERLY PORTLAND CEMENT ASSOCIATION)

2) ASSOCIATION OF PLASTIC RECYCLERS

3) CAPITAL POWER OPERATIONS (USA) INC.(FORMERLY KNOWN AS CAPITAL POWER CORPORATION)

4) DT MIDSTREAM, INC.

5) DUKE ENERGY CORPORATION

6) ELECTRICITY CANADA

7) FUEL CELL AND HYDROGEN ENERGY ASSOCIATION

8) GEVO, INC.

9) HEIDELBERG MATERIALS

10) MARITIME INNOVATION COALITION

11) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

12) REPSOL SERVICES COMPANY

13) SUNGAS RENEWABLES INC

14) THAI UNION GROUP PCL

15) THE COALITION FOR RENEWABLE NATURAL GAS

16) THE METHANOL INSTITUE

17) THE TREVOR PROJECT

18) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)