- Accident Fund Insurance Company
- Acuity Insurance
- All-Star/Newark Mutual
- AmTrust
- Badger Mutual Insurance Company
- Berkshire Hathaway Homestate
- CNA
- Continental Western Group
- Dairyland
- Foremost
- Frankenmuth
- Germantown Mutual
- Grinnell Mutual
- Hanover
- Hartford
- Hastings Mutual
- Integrity Ins.
- McMillan-Warner Mutual
- Midwest Family Mutual
- Nationwide
- Northwestern National
- QBE
- Secura
- Sheboygan Falls Mutual
- Society Ins.
- Travelers
- United Fire Group
- United Heartland
- West Bend
- Wilson Mutual
- Wisconsin Mutual Ins. Co