- Accident Fund Insurance Company
- Aegis
- Aflac
- American Collectors
- Arkansas Blue Cross Blue Shield
- Auto-Owners
- Berkley Southwest
- Berkshire Hathaway
- Berkshire Hathaway Specialty
- Branch
- CNA
- Colonial Life
- Columbia
- Delta Dental
- Employers
- FCCI
- Foremost
- GuideOne
- Hagerty
- Hartford
- Liberty Mutual
- Markel
- Mutual of Omaha
- National American Ins.
- Nationwide
- Philadelphia
- Progressive
- QualChoice
- Safeco
- SilverScript
- Southern Pioneer
- State Auto
- Stonetrust
- Travelers
- United Fire Group
- United Healthcare
- Unum
- VSP
- WellCare
- Zurich
- John D. Buffalo, President