Marshall & Sterling, Inc.
- Acadia
- Adirondack Insurance Exchange
- Andover Companies
- Associated Mutual Insurance Cooperative
- Berkley Offshore
- Central
- Chubb
- CNA
- Encompass
- Erie & Niagara Insurance Association
- Foremost
- Great American
- Hanover
- Hartford
- Kemper
- Main St. America
- McKee Risk
- MetLife
- Nationwide
- NY Mut. Undwrs.
- NYCM
- Peerless
- Philadelphia
- Preferred Mutual
- Progressive
- PURE
- Safeco
- Selective
- Sterling
- Travelers
- Trident
- Utica National Insurance Group
- Vermont Mutual Insurance Group