- Accident Fund Insurance Company
- American Modern Insurance Group
- Berkley
- Berkshire Hathaway GUARD
- Chubb
- CNA Surety
- Conifer
- EMC
- Foremost
- Grundy
- Hagerty
- Hanover
- Hartford
- Honeycomb
- Main St. America
- Michigan Ins.
- Michigan Millers Mutual Insurance Company
- Nationwide
- Philadelphia
- PrimeOne Insurance
- Progressive
- Safeco
- Secura
- State Auto
- Sycamore
- Travelers
- Universal P&C
- West Bend
- David Giancola, Pres.
- Dominic Giancola, V.P.