- AmTrust
- AmWINS
- Blue Cross Blue Shield
- Chubb
- CNA
- Columbia Insurance Group
- Columbia Lloyds
- CompSource
- Delta Dental
- Foremost
- Hagerty
- Hartford
- Liberty Mutual
- Main Street America
- Mass Mut.
- Mercury
- Mid-Continent
- National Lloyds
- Philadelphia
- Progressive
- Republic Grp.
- RLI Corp.
- Safeco
- Travelers
- United Healthcare
- UNUM
- Zenith
- Zurich