ISU Insurance & Investment Group
- Anthem
- Auto-Owners
- Chubb
- CNA
- Encova
- Grain Dealers Ins.
- Grange
- Hartford
- Humana
- Liberty Mutual
- MetLife
- Nippon Life
- Progressive
- Safeco
- SIHO Ins.
- Society Ins.
- Starmark
- State Auto
- Travelers
- United Healthcare
- West Bend
- Zurich