- AAA
- Aetna
- American Modern Insurance Group
- BCBS
- Citizens
- CNA Surety
- Farmers Mutual Insurance
- Foremost
- Frakenmuth
- Hagerty
- HAP
- Illinois Mut.
- Liberty Mutual
- Markel
- Mutual of Omaha
- Pioneer State Mut. Ins. Co.
- Priority Health
- Progressive
- Safeco
- SunForest
- Transamerica
- United Healthcare
- West Bend