1) Bechtel National, Inc.

2) City of San Francisco (Water and Power Division)

3) Edison Chouest Offshore

4) Enbridge (U.S.) Inc. (formerly Spectra Energy)

5) Energy Transfer Partners

6) Entergy Services, LLC

7) Florida Power & Light

8) ISO New England

9) MP Materials

10) Nuclear Energy Institute

11) Valero Energy