- Accident Fund Insurance Company
- Acuity Insurance
- Aetna
- Aflac
- Amerisafe
- AmTrust
- Berkley
- Berkshire Hathaway
- BITCO Insurance Companies
- Bremen Farmers Mutual Insurance Company
- Burns & Wilcox
- Chubb
- Condon Skelly
- Continental Western Group
- Delta Dental
- EMC
- Farmers Alliance Mutual Insurance
- FIRE EMS PAK
- Foremost
- GMI
- Hartford
- Hartford Steam Boiler
- K&K
- Kansas Builders Insurance Group
- Kansas Mut.
- Markel
- Marysville Mutual
- MetLife
- Mid-Continent Group
- National American
- Nationwide
- NCCI
- Old Republic
- Personal Umbrella
- Philadelphia
- Principal
- Progressive
- Risk Administration Svcs.
- Risk Innovations
- RLI Corp.
- Selective
- The Bar Plan
- Transamerica
- Travelers
- United Fire Group
- Victor O. Schinnerer & Co.
- Voya
- West Bend