- Adirondack Insurance Exchange
- Allegany Co-op Insurance Company
- Allstate
- American Modern Insurance Group
- Chautauqua Patrons
- Cincinnati
- Dryden Mutual Insurance
- Erie & Niagara Insurance Association
- Hagerty
- Hanover
- Harleysville
- Hartford
- Kemper
- Liberty Mutual
- Main Street America
- Merchants Insurance Group
- NY Mutual Undwrs.
- NYCM
- NYMIR
- One Beacon
- Peerless
- Philadelphia
- Preferred Mutual
- Progressive
- Safeco
- Selective
- Sterling
- Travelers
- Utica National Insurance Group