- Aetna
- AIG
- Assurant Health
- BCBS
- Chubb
- CNA
- Crum & Forster
- Dental Select
- Fireman's Fund
- Great American
- Hanover
- Hartford
- Hiscox
- Homeowners of America
- Hudson
- Humana
- IMG
- Liberty Mutual
- Markel
- Mercury
- MetLife
- MGA
- Philadelphia
- Principal Financial Group
- Progressive
- Scott & White
- Starr Cos.
- Texas Mut.
- Travelers
- United Healthcare
- US Assure
- USLI
- Zurich