Anderson Insurance Group / Williams-Cleveland Co.
- Allstate
- AmTrust
- Auto-Owners
- Berkley Fire & Marine
- Berkley Mid-Atlantic Group
- Cincinnati
- CNA
- CNA Surety
- Cumberland Insurance Group
- Donegal
- Eastern Alliance
- ECM
- EMC
- Foremost
- Hagerty
- Harford Mutual
- Hartford
- Keystone
- Liberty Mut.
- Markel
- Millville Mutual
- Mutual Benefit Group
- Penn Natl.
- Philadelphia
- Progressive
- Rockwood
- Safeco
- Selective
- Travelers
- Universal Prop.
- Utica National Insurance Group
- Westfield Insurance