1) BNSF Railway a Berkshire Hathaway Corporation

2) Charter Communications, Inc.

3) Cigna

4) CPS Energy

5) Dallas Firefighters Association Local 58

6) Dallas Police Association

7) Las Vegas Sands

8) Luminant Generation Company LLC

9) Oncor Electric Delivery Company LLC

10) Texas Deer Association

11) Texas Land Title Association

12) TXU Energy Retail Company LLC

13) Uber

14) Vistra Corp.

15) Vistra Corporate Services Company