- Aetna
- Anthem Blue Cross Blue Shield
- Arrowhead Exchange
- Chubb
- CNA Surety
- ConnectiCare
- Farmers Insurance
- Foremost
- Genworth Financial
- Guardian
- Hanover
- Hartford
- Infinity
- Kemper
- Main St. America
- MetLife
- MiddleOak
- OneBeacon
- Oxford Health Plans
- Pacific Life
- Peerless
- Progressive
- Tower Group
- Travelers
- United HealthOne
- Utica First
- Utica National Insurance Group
- Voya