1. Aetna Inc.
2. Allianz SE
3. Anco Insurance
4. Anthem Insurance Companies Inc.
5. Aviva PLC
6. CVS Health Corporation
7. Elevance Health Inc.
8. Hamilton Leigh Ltd.
9. HUB International Limited
10. Humana Inc.
11. Medmarc Insurance Group
12. North American Science Associates Inc.
13. Reliance Nippon Life Insurance Company
14. UnitedHealth Group Incorporated
15. WellCare Health Plans Inc.
16. XIFIN Inc.