- Accredited Surety and Casualty Company
- Agency Insurance Company (AIC)
- American Inter Fidelity Exchange
- A-One Commercial Insurance
- Aspen American Insurance
- Bell & Clements LTD
- Berkshire Hathaway
- Canal Insurance
- Canopius
- Canopius US Insurance Inc
- Capitol Specialty Insurance
- CNA
- County Hall Insurance
- Crum & Forster
- DB Insurance
- Falls Lake National Insurance
- Great American Insurance
- Great Lakes Insurance SE
- Hiscox
- IAT Insurance Group
- James River Insurance
- Knight Specialty Insurance
- Lancer Insurance
- Lexington Insurance
- Liberty Mutual
- Lloyds of London
- Maxum Indemnity
- Milford Casualty Insurance
- National Casualty
- National Fire Insurance
- National General Insurance
- NEXT
- NICO
- Northfield Insurance
- Northland Insurance
- Occidental Fire and Casualty
- Old Republic Union Insurance
- Palomar
- Pan American
- Philadelphia Insurance Companies
- PMA Companies
- Prime Insurance
- Progressive
- Scottsdale Insurance
- Shepherd Compello
- Star Mutual
- Trisura Specialty Insurance
- United Financial Casualty
- UPMC
- USLI
- Valley Forge Insurance
- Wesco Insurance
- White Pine Insurance
- Work Partners