- Aegis
- American Collectors Insurance
- American Sentinel
- Berkley Mid-Atlantic Group
- Chubb
- Donegal
- Eastern Alliance
- Farmers Insurance
- GuideOne
- Hartford
- Millers Mut.
- Nationwide
- Peerless
- Penn Natl.
- Philadelphia
- PMA
- Progressive
- Selective
- State Auto
- Travelers
- Westfield Insurance
- Zurich
- J. Gregory Zinn, CIC, Managing Partner
- Jonathan M. Zinn, LUTCF, Partner