AssuredPartners, formerly Baldwin Welsh & Parker Insurance
- A.I.M. Mutual Insurance Companies
- AIG
- AmTrust
- Andover Companies
- Arbella Insurance Group
- Central
- Chubb
- Foremost
- Guard
- Hagerty
- Hanover
- Liberty Mutual
- MAPFRE
- Merchants Insurance Group
- MPIUA
- Norfolk & Dedham
- Philadelphia
- Plymouth Rock Assurance
- Quincy Mutual Group
- Safety
- Selective
- Travelers
- Utica National Insurance Group
- Vermont Mutual Insurance Group
- Zurich