1) Advanced Energy Economy DBA Texas Advanced Energy

2) Associated Builders and Contractors of Texas

3) AT&T

4) CCNG, Inc.

5) Celestica, Inc.

6) Dow

7) El Paso Health, on behalf of Harris Health, University Health, and Parkland

8) Enchanted Rock

9) Google LLC and its Affiliates

10) Grid United LLC

11) Jupiter Power LLC

12) Lancium LLC

13) Liberty Energy Inc.

14) Liberty Mutual

15) Merck Sharp & Dohme Corp including its affiliates-Schering Corp and Merck Schering-Plough

16) Occidental

17) Roadrunner 1, LLC

18) Royal D Landholdings, LLC

19) Tesla Inc.

20) Tex Hahn Media, Inc.

21) Texas Association of Counties Risk Management Pool