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

2) Air Liquide USA LLC

3) Ameren

4) Association of Plastic Recyclers

5) Delek US Holdings, Inc.

6) Duke Energy Corporation

7) Energy Forward

8) McKinsey & Company

9) PET Resin Association

10) Salt River Project

11) Society for Neuro-Oncology

12) SOUTHERN COMPANY

13) Thai Union Group PCL

14) VALERO ENERGY CORP

15) Vistra Energy (FKA Energy Future Holdings)