- Aflac
- Amerisafe
- Anthem Blue Cross Blue Shield
- BCBS
- CareFirst BlueCross BlueShield
- Cigna
- CNA Surety
- Delta Dental
- Foremost
- Guardian
- Hartford
- John Hancock
- Kaiser Permanente
- Lititz Mutual
- Markel
- Mutual of Omaha
- National General
- Nationwide
- Pacific Life
- Penn National
- Philadelphia
- Principal Financial Group
- Progressive
- Prudential
- Safeco
- United Healthcare
- UNUM