- Acuity Insurance
- Aegis
- American Collectors Insurance
- American Modern Insurance Group
- AmTrust
- Berkshire Hathaway
- Brethren Mutual
- Bristol West
- Chubb
- Cincinnati Insurance Companies
- Donegal
- Eastern Alliance
- EMC
- FCCI
- Foremost
- Frederick Mut.
- Hagerty
- Hanover
- Hartford
- ICW Group
- J.C. Taylor
- Lackawanna
- Liberty Mutual
- Millers Mut.
- Mut. Benefit Grp.
- Nationwide
- Penn Natl.
- ProAssurance
- Progressive
- Safeco
- Selective
- State Auto
- Travelers
- Universal P&C
- Utica National Insurance Group
- Westfield Insurance
- Zurich
- Steve Hartlaub
- Andy Stauffer