- Accident Fund Insurance Company
- Auto-Owners
- Cincinnati Insurance Companies
- Citizens
- CNA
- CNA Surety
- EMC
- Foremost
- Frankenmuth
- Great American
- Great West
- Hagerty
- Hartford
- Hastings
- JM Wilson
- Mighigan Millers
- Nationwide
- Progressive
- Safeco
- Travelers
- West Bend
- Westfield Insurance
- Michael K. Doyle
- Paul Gustafson