- Anthem
- Cincinnati Casualty Company
- CNA
- Donegal
- First Non Profit
- Foremost
- Hagerty
- Liberty Mutual
- Medical Mutual of Ohio
- Mennonite Mut.
- Ohio Casualty
- Omni
- Personal Service
- Philadelphia
- Principal Financial Group
- Progressive
- Prudential
- Safeco
- The Standard
- Travelers
- West Bend
- Westfield Insurance