1) Alexion Pharmaceuticals Inc.

2) Astellas Pharma US, Inc.

3) AstraZeneca Pharmaceuticals LP

4) CH MH Services (TX), LLC

5) CHSPSC, LLC

6) Community Options, 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) South Texas Electric Cooperative, Inc.

14) Tenaska, Inc.

15) Texas Association of Broadcasters

16) Texas Council on Family Violence

17) Texas Dental Hygienists' Association

18) Texas Mining and Reclamation Association

19) The Innocence Project, Inc.

20) Vulcan Materials Company