- American Modern Insurance Group
- Applied Underwriters
- Berkshire Hathaway
- Chubb
- CNA
- Erie & Niagara Insurance Association
- Foremost
- Fulmont Mut.
- GNY
- Hagerty
- Hartford
- Kingstone
- Liberty Mutual
- Main St. America
- MEMIC
- Merchants Insurance Group
- Mercury
- MetLife
- National General
- Nationwide
- NYCM
- Plymouth Rock Assurance
- Progressive
- Safeco
- Security Mutual
- Selective
- Travelers
- Universal P&C
- Utica First
- Utica National Insurance Group