Hintz-Ziegler-Miller Insurance
- Aflac
- American Modern Insurance Group
- Auto-Owners
- Berkshire Hathaway GUARD
- Berkshire Hathaway Homestate
- BITCO Insurance Companies
- Blue Cross Blue Shield
- Burns & Wilcox
- CNA Surety
- Continental Western Group
- Grinnell Mutual
- Hagerty
- Jencap Insurance Services
- Nationwide
- North Star Mutual Insurance Company
- Pekin
- Progressive
- Rain and Hail
- West Bend