- Accident Fund Insurance Company
- Acuity Insurance
- Amerisafe
- Auto-Owners
- Berkshire Hathaway
- Bremen Farmers Mutual Insurance Company
- Burns & Wilcox
- Chubb
- CNA Surety
- CWG
- EMC
- Farmers Alliance Mutual Insurance
- Farmers Mutual Hail Insurance
- Hagerty
- Liberty Mutual
- Markel
- Marysville Mutual
- Nationwide
- North Star Mutual Insurance Company
- Pennsylvania Lumbermens Mutual
- Philadelphia
- Progressive
- Rain & Hail
- RAS
- RLI Corp.
- Travelers
- United Fire Group
- Upland Mut.
- VFIS
- West Bend