- American Collectors Insurance
- Andover, Merrimack Mutual
- Foremost Insurance
- Hingham or Danbury Mutual
- Jefferson National Life
- Mass Fair Plan
- Midland National Life
- New London County Mutual
- New York Life Insurance
- Norfolk & Dedham Group
- Penn Mutual
- Quincy Mutual
- RLI Insurance
- Safety Insurance
- US Assure
- Utica First Insurance Co.
- Western Surety
- Zurich North American
- Zurich US National Flood Insurance