- Aetna
- Bremen Farmers Mutual Insurance Company
- EMC Nat. Life
- Farmers Alliance Mutual Insurance
- Genworth
- Great American
- Hartford Steam Boiler
- Markel
- MetLife
- Nationwide
- Philadelphia
- Principle
- Progressive
- Rain & Hail Crop
- Safeco
- SBLI
- Transamerica
- Travelers
- United Healthcare
- Upland Mut.
- West Bend