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) Butt, Charles

11) Calpine Corporation

12) City of Amarillo

13) City of Austin

14) City of Buda

15) City of Waco, Texas

16) Community Associations Institute

17) Credit Union Coalition of Texas

18) Crow Holdings, L.P.

19) Cummins Inc.

20) Entergy Texas, Inc.

21) H-E-B, LP

22) Hilltop Securities Inc.

23) Hillwood Development Company, LLC

24) Holt Texas Ltd. dba HOLTCAT

25) Honey Creek Land Company, LLC

26) Lower Colorado River Authority

27) Motion Picture Association, Inc.

28) NetJets Services, Inc.

29) North Texas Tollway Authority

30) Outdoor Advertising Association of Texas, Inc.

31) Penske Truck Leasing Co., L.P.

32) Peregrine Technologies, Inc.

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

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