East Penn Insurance Group
- AmTrust
- Berkshire Hathaway GUARD
- Chubb
- CNA
- Donegal
- Foremost
- Grange
- Guard Ins. Grp.
- Harleysville
- Hartford
- Liberty Mutual
- Main St. America
- Merchants Insurance Group
- Nationwide
- Ohio Casualty
- Philadelphia
- Selective
- Tower
- Travelers