1) Alexion Pharmaceuticals Inc.

2) AstraZeneca Pharmaceuticals LP

3) CH MH Services (TX), LLC

4) CHSPSC, LLC

5) Community Options, Inc.

6) Friends of Texas Seniors

7) Helena Agri-Enterprises, LLC

8) Jackson Walker L.L.P.

9) Learning Undefeated, Inc.

10) Option Care Health

11) Outreach Health Care, Inc.

12) South Texas Electric Cooperative, Inc.

13) Tenaska, Inc.

14) Texas Association of Broadcasters

15) Texas Council on Family Violence

16) Texas Dental Hygienists' Association

17) Texas Mining and Reclamation Association

18) The Innocence Project, Inc.

19) Vulcan Materials Company