- AllRisks
- American Collectors Insurance
- Brethren Mutual
- Chesapeake Employers Ins.
- Donegal
- Foremost
- Glatfelter
- Hagerty
- Harford Mutual
- MAIF
- Main St. America
- Mutual Benefit Group
- Peninsula
- Personal Umbrella
- Progressive
- Safeco
- The Philadelphia Contributionship
- Utica National Insurance Group
- VFIS
- Windsor-Mount Joy Mutual
- Zurich
- Claud C. Gamble, Jr., Pres.
- Christopher H. Wiedey, V.P.