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) East Texas Electric Cooperative, Inc.

8) Friends of Texas Seniors

9) Helena Agri-Enterprises, LLC

10) Jackson Walker L.L.P.

11) Learning Undefeated, Inc.

12) Option Care Health

13) Outreach Health Care, Inc.

14) Silver Creek Materials

15) South Texas Electric Cooperative, Inc.

16) Tenaska, Inc.

17) Texas Association of Broadcasters

18) Texas Council on Family Violence

19) Texas Dental Hygienists' Association

20) Texas Mining and Reclamation Association

21) The Innocence Project, Inc.

22) Vulcan Materials Company