1) ABBVIE

2) AdvaMed

3) Anthem, Inc.

4) APOLLO MANAGEMENT HOLDINGS

5) Ardent Health Services

6) Atrium Health

7) Baxter HealthCare Corporation

8) Beckman Coulter Diagnostics

9) Cengage

10) Centene Corporation

11) Colorado State University

12) Crowell & Moring LLP obo Cogitativo, Inc.

13) Emergency Nurses Association

14) Envision Healthcare

15) Go LIVE Together

16) JOHNSON & JOHNSON SERVICES, INC.(f.r.a. JOHNSON & JOHNSON SHARED SERVICES, INC.)

17) KinderCare Education, LLC (formerly reporting as Knowledge Universe)

18) LifePoint Health (f.r.a RCCH HealthCare Partners)

19) National Collegiate Athletic Association

20) National Head Start Association

21) Paragon Biosciences, LLC

22) PathemaGX

23) Spark Therapeutics, Inc.

24) TENET HEALTHCARE CORP

25) The Early Care and Education Consortium

26) The Federation of State Medical Boards

27) The OrthoForum

28) Tribal Solutions Medical

29) University of Phoenix, fra Apollo Education Group, Inc.

30) Valley Children's Healthcare

31) Walgreen Co.

32) Wilmer Hale (on behalf of Purdue Pharma L.P.)