- Amica Mutual Insurance Company
- Arbella Insurance Group
- Encompass
- Fireman's Fund
- Hanover
- Liberty Mutual
- Main St. America
- MAPFRE
- MPIUA
- Norfolk & Dedham
- Occidental Ins.
- One Beacon
- Pilgrim Ins.
- Plymouth Rock Assurance
- Progressive
- Quincy Mutual Group
- Safety Insurance
- Travelers