1) Acadia Healthcare Company

2) Alkermes, Inc.

3) AristaCare

4) Boehringer Ingelheim Pharmaceuticals, Inc.

5) ChristianaCare

6) Fox Subacute Management, Inc.

7) Jefferson Health Corporation (f/k/a Albert Einstein Healthcare Network)

8) Kaleida Health

9) Maxim Healthcare Services, Inc.

10) PA LIFE Provider Alliance

11) Pennsylvania Pediatric Dental Coalition

12) Pfizer Inc.

13) Roche Diagnostics Corporation

14) The Behavioral Wellness Center at Girard

15) The Children's Hospital of Philadelphia

16) The Safety Net Association of Pennsylvania

17) Tower Health

18) Trinity Health Mid-Altantic

19) UNIVERSITY OF PENNSYLVANIA

20) UNIVERSITY OF PITTSBURGH MEDICAL CENTER AND SUBSIDIARIES

21) Vertex Pharmaceuticals Incorporated