1) AMERICAN HOSPITAL ASSOCIATION

2) ARCHER AVIATION

3) BAYCARE HEALTH SYSTEM

4) BLUE CROSS BLUE SHIELD OF MASSACHUSETTS

5) BOSTON MEDICAL CENTER

6) CAMBIA HEALTH SOLUTIONS (FORMERLY KNOWN AS THE REGENCE GROUP)

7) CAREFIRST BLUECROSS BLUESHIELD

8) CHAPTER

9) CHILDREN'S HOSPITAL ASSOCIATION F/K/A NAT'L ASSOCIATION OF CHILDREN'S HOSPITALS

10) DAVITA INC.

11) FOUNTAIN HOUSE

12) GE HEALTHCARE

13) GENEDX, LLC

14) GREATER NEW YORK HOSPITAL ASSOCIATION

15) HPA MANAGEMENT GROUP INC.

16) KAROO HEALTH

17) MOUNT SINAI HOSPITALS GROUP, INC

18) PALANTIR TECHNOLOGIES, INC.

19) PHARMACEUTICAL CARE MANAGEMENT ASSOCIATION (PCMA)

20) QUEST DIAGNOSTICS INCORPORATED

21) THE CIGNA GROUP

22) THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA