- Aetna
- BCBS of IL
- Cigna
- Coventry
- Dairyland
- Foremost
- GTL
- Humana
- IMT Insurance
- Indiana Ins.
- Iowa Mutual
- Lafayette Life
- Merchants Bonding Company
- Monumental Life
- Progressive
- Safeco
- Selective
- Transamerica
- Travelers
- United Healthcare
- USG
- Wellmark Blue Cross Blue Shield