- Adirondack Insurance Exchange
- AmTrust
- Associated Mutual Insurance Cooperative
- CNA Surety
- Country-Wide
- Employers
- Great American
- Hartford
- Interboro
- Kingstone
- Lancer
- Liberty Mut.
- Merchants Insurance Group
- Philadelphia
- Plymouth Rock Assurance
- Progressive
- Safeco
- Sterling
- UPC
- Utica National Insurance Group