- Aetna
- AIG
- Chubb
- Cigna
- Distinguished Programs Group
- Grange
- Great American
- Guide One
- Hartford
- Kaiser
- Markel
- Medical Mutual of Ohio
- MetLife
- Mutual of Omaha
- NIF Group
- Philadelphia
- Selective
- State Auto
- Summa Care
- Travelers
- United Healthcare
- Zurich
- Richard C. Perry, Pres.
- Jim Comer, Chmn.