- Aetna
- American Collectors Insurance
- Anthem Blue Cross Blue Shield
- Berkshire Hathaway GUARD
- Builders Insurance
- CareFirst Blue Cross Blue Shield
- Cigna
- Cincinnati Insurance Companies
- Donegal
- Erie Insurance
- Hanover
- Hartford
- John Hancock
- Kaiser Permanente
- Keystone
- Liberty Mutual
- Lincoln Financial Group
- Loudoun Mutual
- Markel
- National General
- Philadelphia
- Principal
- Progressive
- Protective
- Travelers
- United Healthcare
- UNUM
- Zenith
- Douglas Downer, CIC, Pres.