- Acadia
- Andover Companies
- Chubb
- Eastern Alliance
- Encompass
- Foremost
- Hanover
- IMU
- Liberty Mutual
- Maine Employers Mut.
- MAPFRE
- Medical Mutual
- MMG
- National General
- Patriot
- Peerless
- Progressive
- Safeco
- Vermont Mutual Insurance Group
- Robert M. Clapp, President
- Susam Amedal, Office Manager