- Auto-Owners
- Bremen Farmers Mutual Insurance Company
- Buckeye Insurance Group
- Cincinnati Insurance Companies
- EMC Cos.
- Farmers Alliance Mutual Insurance
- Goodville Mut.
- Great American
- Hagerty
- Hudson Ins.
- Marysville Mutual
- Mid-West
- NAU/QBE
- NCCI
- Philadelphia
- Progressive
- Travelers
- West Bend
- Tom Simmer, Owner
- Heath Simmer
- Robin Grathwohl