- Auto-Owners
- Berkley Classics
- CNA Surety
- Concorde General Agency
- Dairyland
- EMC
- Encompass
- Encova
- Farmers Mutual Hail Insurance Company of Iowa
- Foremost
- Grinnell Mutual
- Hagerty
- ICAP
- Illinois Casualty Co.
- IMT Insurance
- Markel
- Nationwide
- Nonprofits Insurance Alliance
- North Star Mutual Insurance Company
- Philadelphia
- Progressive
- SFM
- Wellmark Blue Cross Blue Shield
- Western Iowa Mutual