- American Modern Insurance Group
- AmTrust North America
- AXA Art Insurance
- Berkley Asset Protection
- Berkley Southeast Insurance Group
- Berkshire Hathaway Guard
- Central Insurance Companies
- Chubb Group
- CNA
- Columbia Insurance Group
- Donegal Insurance Group
- EMC Insurance Companies
- Employers
- Encompass
- Foremost Insurance Group
- Grange Insurance
- Great American Insurance Group
- GuideOne Insurance
- The Hanover Insurance Group
- The Hartford
- Liberty Mutual
- The Main Street America Group
- MAPFRE Insurance
- Markel
- National General
- Nationwide
- OneBeacon Insurance
- Philadelphia Insurance Companies
- RLI Surety
- State Auto
- Travelers
- Zenith