Midwest Insurance Corporation
- American Strategic Insurance
- Auto-Owners
- Chubb
- CNA Surety
- EMC
- Farmers Mutual Hail Insurance Company of Iowa
- GBL
- Great American
- Grinnell Mutual
- IMT Insurance
- IMWCA
- Iowa River Mut.
- Nationwide
- Old Republic
- Pekin
- Progressive
- Rain & Hail
- RCIS
- RPS
- SFM Workers Comp
- United Fire Group
- United Health Group
- Wellmark Blue Cross Blue Shield
- West Bend