- Accident Fund Insurance Company
- ACE Private Risk Services
- AIG
- Amerisafe
- AmTrust
- Appalachian Underwriters
- Auto-Owners
- Builders Insurance
- Chubb
- Cincinnati Insurance Companies
- CNA
- Donegal
- Encompass
- Fireman's Fund
- Foremost
- Guard Ins. Group
- Hanover
- Hartford
- Kemper
- Main Street America
- Markel
- Mercury
- MetLife
- Philadelphia
- Pie Insurance
- Progressive
- RLI Corp.
- RPS
- Safeco
- State Auto
- Summit
- Tower Group
- Travelers
- US Assure
- USLI
- Utica National Insurance Group
- Zurich