- Aetna
- Aflac
- AmTrust
- Berkshire Hathaway GUARD
- Berkshire Hathaway Homestate
- Blue Cross Blue Shield
- Coventry
- Delta Dental
- Donegal
- EMC
- FirstComp
- Foremost
- Guard
- Guardian
- Hagerty
- Hartford
- Highmark
- Lititz Mutual
- Markel
- MetLife
- Nationwide
- Ohio Casualty
- Peninsula Ins.
- Penn Nat'l.
- Philadelphia
- Progressive
- Prudential
- QBE
- Safeco
- Secura
- State Auto
- Travelers
- Tuscarora Wayne
- United Fire Group
- United Healthcare
- Unum
- Utica First
- Westfield Insurance
- Zenith
- Jeffrey B. Sims, President
- Tom Thaler, V.P.