- AAA
- Aetna
- AgriLogic
- American Collectors Insurance
- American Live Stock
- AmTrust
- Auto-Owners
- BCBS of IL
- Coventry
- Delta Dental
- Foremost
- Frontier Mut.
- Grinnell Mutual
- Hanover
- Health Alliance
- Humana
- Land of Lincoln
- Markel
- MetLife
- Old Republic
- Principal Financial Group
- Progressive
- Protective Life
- QBE
- RLI Corp. Surety Bonds
- Safeco
- Society
- Travelers
- United Healthcare
- US Ins. Co. of America
- West Bend
- Dan Kiesewetter
- Steve Kiesewetter