Estabrook & Chamberlain Insurance, a div. of C & S Insurance
- Acadia
- Andover Companies
- Arbella Insurance Group
- ArborMax
- Berkshire Hathaway GUARD
- Bunker Hill Insurance
- Central Insurance Companies
- Chubb
- Cincinnati Insurance Companies
- CNA
- Cove Risk
- EMC
- Energi
- Foremost
- Glatfelter
- Grundy
- Hagerty
- Hanover
- Hartford
- Liberty Mutual
- Main St. America
- MAPFRE
- MEMIC
- Merchants Insurance Group
- MPIUA
- NLC
- Norfolk & Dedham
- Paragon
- Philadelphia
- Plymouth Rock Assurance
- Progressive
- PURE
- Safety Ins.
- Sentry
- Starr
- Tokio Marine
- Travelers
- UPC
- USLI
- Vermont Mutual Insurance Group