- Auto-Owners
- Barton Mutual Group
- Berkshire Hathaway Homestate
- Blue Cross Blue Shield
- Concordia Farmers Mutual Insurance
- Grinnell Mutual
- Hagerty
- Hartford
- Haulers Ins.
- Liberty Mutual
- Markel
- Missouri Employers Mutual
- Nationwide
- Progressive
- RLI
- Safeco
- United Healthcare