- Accident Fund Insurance Company
- Allstate
- American Modern Insurance Group
- AmTrust
- Berkshire Hathaway GUARD
- Builders Mutual Insurance
- Burns & Wilcox
- CNA Surety
- Foremost
- Hartford
- Liberty Mutual
- MAPFRE
- Markel
- MetLife
- National General
- Nationwide
- Ryan Specialty Group
- Safeco
- Travelers
- USLI