- Alabama Home Builders Self Insurers Fund
- American Modern Insurance Group
- American Strategic Insurance
- Attune
- Auto-Owners
- Berkshire Hathaway GUARD
- Burns & Wilcox
- Chubb
- Cincinnati Insurance Companies
- CNA
- CNA Surety
- Dairyland
- Encompass
- Great American
- Hagerty
- Hartford
- Heritage
- Hiscox
- John Hancock
- Liberty Mutual
- Markel
- National Flood Insurance Program (NFIP) / FEMA
- Nationwide
- Philadelphia
- Progressive
- Safeco
- Scottsdale
- Sheffield
- State Auto
- Transamerica
- Travelers
- Universal P&C
- USLI
- Zurich