Melcher & Prescott Insurance
- 21st Century
- Acadia
- American Modern Insurance Group
- American Reliable
- Andover Companies
- Anthem Blue Cross Blue Shield
- Central Insurance
- Chubb
- Cigna
- Cincinnati Insurance Companies
- Co-Operative
- Concord Group Insurance
- Delta Dental
- Foremost
- Guardian
- GuideOne
- Hanover
- Hartford
- Harvard Pilgrim
- Liberty Mutual
- Maine Mut.
- Maritime Program Group
- Markel
- Meadowbrook
- MEMIC
- MiddleOak
- MSA/NGM
- Mt. Washington
- Mutual of Omaha
- Philadelphia
- Preferred Mutual
- Progressive
- Providence Mut.
- Safeco
- Schinnerer & Co.
- Sun Life
- Travelers
- Union Mut.
- United Healthcare
- UNUM
- Vermont Mutual Insurance Group