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) CAMECO CORPORATION

6) CEMENT KILN RECYCLING COALITION

7) DENKA PERFORMANCE ELASTOMER LLC

8) DT MIDSTREAM, INC.

9) DUKE ENERGY CORPORATION

10) ENERGY FORWARD

11) GEOTHERMAL EXCHANGE ORGANIZATION (GEO)

12) HEIDELBERG MATERIALS

13) KINDER MORGAN, INC

14) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

15) PLUG POWER, INC.

16) PORTABLE GENERATOR MANUFACTURERS ASSOCIATION (PGMA)

17) REPSOL SERVICES COMPANY

18) SALT RIVER PROJECT

19) SOUTHERN COMPANY

20) TELE-FONIKA CABLE AMERICAS CORPORATION

21) THE TREVOR PROJECT

22) VALERO ENERGY CORP

23) VISTRA ENERGY (FKA ENERGY FUTURE HOLDINGS)