- Acuity Insurance
- Aetna
- American Modern Insurance Group
- Amerisafe
- AmTrust
- Anthem
- Assurant Health
- Auto-Owners
- Berkshire Hathaway Homestate
- Burns & Wilcox
- Chubb
- CIBA Insurance Services
- CNA Surety
- Columbia Insurance Group
- Coventry Health
- Electric Ins.
- Fidelity National
- Fireman's Fund
- FirstComp
- Foremost
- Hagerty
- Heartland
- Imperial PFS
- Kemper
- Liberty Mut.
- Mercy Health Plans
- MetLife
- MiddleOak
- Missouri Empl. Mut.
- Nationwide
- Old Republic Sur.
- Philadelphia
- Progressive
- Safeco
- State Auto
- The Bar Plan
- Tower Grp.
- Travelers
- United Healthcare
- United HealthOne
- USLI
- Zurich