E & M Insurance Associates, Inc.
- American Modern Insurance Group
- AmTrust
- Assurant
- Berkshire Hathaway GUARD
- Chubb
- Donegal
- Foremost
- Hanover
- Harford Mutual
- Harleysville
- Liberty Mutual
- Lititz Mutual
- MAPFRE
- Nationwide
- Philadelphia
- Progressive
- Safeco
- The Philadelphia Contributionship
- Travelers