- Aegis
- Allstate
- American Access Casualty Company
- Bristol West
- Condon Skelly
- Conifer Ins.
- Dairyland
- Encompass
- First Chicago
- Foremost
- Founders
- Hanover Fire & Casualty
- Haulers Ins.
- Indiana FAIR Plan
- Liberty Mutual
- Madison Mutual
- Progressive
- The General
- Trexis
- Universal P&C