- American Collectors
- AmTrust
- Andover Companies
- Berkshire Hathaway GUARD
- Cabrillo Coastal General Insurance Agency
- Chubb
- CNA
- CNA Surety
- Cumberland Insurance Group
- Encompass
- Farmers Mutual Fire
- Foremost
- Franklin Mutual
- GEICO
- Hagerty
- Hanover
- Harleysville
- Hartford
- Liberty Mutual
- Main St. America
- MAPFRE
- Merchants Insurance Group
- Mercury
- MetLife
- Narragansett Bay
- National General
- Nationwide
- Neptune
- Norfolk & Dedham
- Peerless
- Penn Natl.
- Philadelphia
- Plymouth Rock Assurance
- Preferred Mutual
- Progressive
- Safeco
- Selective
- The Philadelphia Contributionship
- Travelers
- United Fire Group
- US Assure
- USLI
- Wright Flood