1) Alexion Pharmaceuticals Inc.

2) AstraZeneca Pharmaceuticals LP

3) CH MH Services (TX), LLC

4) CHSPSC, LLC

5) Community Options, Inc.

6) East Texas Electric Cooperative, Inc.

7) Friends of Texas Seniors

8) Helena Agri-Enterprises, LLC

9) Jackson Walker L.L.P.

10) Learning Undefeated, Inc.

11) Option Care Health

12) Outreach Health Care, Inc.

13) Silver Creek Materials

14) South Texas Electric Cooperative, Inc.

15) Tenaska, Inc.

16) Texas Association of Broadcasters

17) Texas Council on Family Violence

18) Texas Dental Hygienists' Association

19) Texas Mining and Reclamation Association

20) The Innocence Project, Inc.

21) Vulcan Materials Company