- Aetna
- AIG
- American Modern Insurance Group
- Emblem Health
- Empire Bc/BS
- Foremost
- Hagerty
- Hanover
- Hartford
- Healthplex
- John Hancock
- MetLife
- Mountain Valley Indem.
- National General
- Oscar
- Oxford Health Plans
- Progressive
- Safeco
- Travelers
- United Healthcare
- UPC