- Accident Fund Insurance Company
- AIG
- American Funds
- Amerisure
- Blue Cross Blue Shield of MI
- Chubb
- CNA
- EMC
- Encompass
- Genworth
- Great American
- Hagerty
- Hanover
- HAP
- Hartford
- Hastings Mutual
- Liberty Mutual
- Merchants Bonding Company
- Midwest Security
- Philadelphia
- Priority Health
- Progressive
- PURE
- Safeco
- Secura
- Travelers
- United Healthcare
- Westfield Insurance