1) 3M Company

2) American Airlines, Inc.

3) Anatole Partners III, L.L.C.

4) Arnold Capital Management, LLC

5) Association of Texas Professional Educators (ATPE)

6) AT&T

7) BEPCO, L.P.

8) BNSF Railway, a Berkshire Hathaway Corporation

9) Calpine Corporation

10) City of Amarillo

11) City of Austin

12) City of Lubbock

13) City of Waco, Texas

14) Commonwealth Fusion Systems

15) Community Associations Institute

16) Concordance

17) Credit Union Coalition of Texas

18) Crow Holdings, L.P.

19) Cummins Inc.

20) Entergy Texas, Inc.

21) Fort Worth Chamber

22) H-E-B, LP

23) Hilltop Securities Inc.

24) Hillwood Development Company, LLC

25) Holt Texas Ltd. dba HOLTCAT

26) Lower Colorado River Authority

27) Motion Picture Association, Inc.

28) North Texas Tollway Authority

29) Outdoor Advertising Association of Texas, Inc.

30) Quail Valley Land Company, LLC

31) Raise Your Hand for Public Schools DBA Raise Your Hand Texas

32) Republic Property Group, Ltd.

33) TACenergy, LLC

34) Texas Beverage Association

35) Texas Instruments Incorporated

36) Texas Mutual Insurance Company

37) Texas State University System

38) The Goldman Sachs Group, Inc.

39) The Nature Conservancy

40) Uber Technologies, Inc.