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) Baylor Scott & White Health

8) BEPCO, L.P.

9) BNSF Railway, a Berkshire Hathaway Corporation

10) Bradley Lane Investment Company

11) Butt, Charles

12) Calpine Corporation

13) City of Amarillo

14) City of Austin

15) City of San Antonio

16) Community Associations Institute

17) Credit Union Coalition of Texas

18) Crow Holdings, L.P.

19) Cummins Inc.

20) Entergy Texas, Inc.

21) FFF Enterprises, Inc.

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) Nasdaq, Inc.

29) NetJets Services, Inc.

30) North Texas Tollway Authority

31) Outdoor Advertising Association of Texas, Inc.

32) Paramount Global

33) Quail Valley Land Company, LLC

34) Republic Property Group, Ltd.

35) Texas Beverage Association

36) Texas Instruments Incorporated

37) Texas Mutual Insurance Company

38) Texas State University System

39) The Goldman Sachs Group, Inc.

40) The Nature Conservancy

41) Uber Technologies, Inc.

42) Windward Capital Assets LLC