- AAA
- Accident Fund Insurance Company
- Aetna
- Allianz
- Anthem Blue Cross Blue Shield
- Applied Underwriters
- Assurant Health
- Banner Life
- BCBS of IL
- Berkshire Life
- EMC
- Employers
- First Commonwealth
- First Nonprofit
- Fort Dearborn Life
- Genworth Life & Annuity
- Grange
- Guardian Life
- Humana
- John Alden
- MetLife
- National General
- National General
- Philadelphia
- Principal Financial Group
- Progressive
- Protective Life
- QBE
- Safeco
- Scottsdale
- Symetra Life
- Transamerica
- Travelers
- Trustmark
- United Healthcare
- United Heartland
- Unum
- Vanliner
- West Bend
- Zurich