- Aetna
- American Modern Insurance Group
- Anthem
- Assurant Health
- Chubb
- Cincinnati Insurance Companies
- Cincinnati Life Insurance Company
- CNA
- Great American
- Great West
- Hartford
- Humana
- Indiana Ins.
- John Alden
- Medical Mutual of Ohio
- Merchants Insurance Group
- Ohio Casualty
- Ohio Mutual
- Progressive
- RLI Corp.
- Seneca
- Southern Ohio
- State Auto
- Transamerica
- Travelers
- United Healthcare
- West American
- Zurich
- Craig F. Wilks, Pres.
- Andrew Neff, V.P.