1) American College of Emergency Physicians Texas Chapter

2) AT&T

3) Central Texas Regional Mobility Authority

4) Cheniere Energy, Inc.

5) Constellation Brands, Inc.

6) Consumer Service Alliance of Texas

7) Envision HealthCare

8) Group 1 Automotive, Inc.

9) Infectious Disease Prevention Network

10) Intermedix

11) Lancium Technologies, Inc.

12) Las Vegas Sands Corporation

13) LSA Investment Holdings, LLC

14) Luminant Generation Company LLC

15) North Texas Automobile Dealers Association

16) Q Investments, LP

17) Schumacher Group

18) Sullivan Interests

19) TeamHealth, Inc.

20) Texas Aggregates and Concrete Association

21) Texas City Terminal Railway Company

22) Texas Healthcare and Bioscience Institute

23) Texas Land Trust Council

24) Texas Radiological Society

25) Texas Society of Pathologists

26) Travis County Emergency Services District No. 6

27) TXU Energy Retail Company LLC

28) US Acute Care Solutions

29) Vistra Corporate Services Company