- Berkshire Hathaway
- Bremen Farmers Mutual Insurance Company
- Chubb
- EMC
- Farmers Alliance Mutual Insurance
- Great American
- Hartford
- Kansas Builders Insurance Group
- Liberty Mutual
- Marysville Mutual
- MetLife
- Nationwide
- Philadelphia
- Progressive
- Safeco
- State Auto
- Travelers
- United Healthcare
- Upland Mutual
- West Bend