- Accident Fund Insurance Company
- Aetna
- Aflac
- Assurant
- Auto-Owners
- BCBS of MI
- Chubb
- Cincinnati Insurance Companies
- Citizens
- CWG
- Delta Dental
- Eastern Ins.
- Empower
- Encova
- Fidelity
- Frankenmuth
- Hagerty
- Hanover
- Hartford
- Hastings Mut.
- Humana
- IMG
- John Hancock
- Lincoln Financial Group
- MassMut
- MetLife
- Nationwide
- NHIC
- Principal Financial Group
- Priority Health
- Progressive
- RTW
- Secura
- Selective
- The Standard
- Transamerica
- Travelers
- United Healthcare
- Unum
- Vanguard
- Voya
- Westfield Insurance