USA - M to O

1. Markel Corporation
2. MassMutual Financial Group
3. Merchants Insurance Group
4. Mercury Insurance Group
5. MetLife
6. Mutual of Omaha
7. National Life
8. Nationwide Mutual Insurance Company
9. New Jersey Manufacturers Insurance Company
10. New York Life Insurance Company
11. Northwestern Mutual
12. Ohio Mutual Insurance Group
13. Omega
14. OneBeacon
15. Oxford Health Plans