1) Air Conditioning, Heating & Refrigeration Institute (FKA Air Conditioning and R)

2) Air Liquide USA LLC

3) Ameren

4) Delek US Holdings, Inc.

5) Duke Energy Corporation

6) Energy Forward

7) Growth Energy

8) Hunter Douglas, Inc.

9) National Biodiesel Board

10) Plug Power, Inc.

11) Salt River Project

12) SOUTHERN COMPANY

13) Thai Union Group PCL

14) VALERO ENERGY CORP

15) Vistra Energy (FKA Energy Future Holdings)