- Accident Fund Insurance Company
- Acuity Insurance
- Aetna
- Auto-Owners
- Blue Cross Blue Shield
- Chubb
- Cincinnati Insurance Companies
- Citizens
- CNA
- Delta Dental
- EMC
- Foremost
- Fremont
- Hagerty
- Hartford
- MedPro RRG
- Michigan Ins.
- MTM
- National American
- Priority Health
- Secura
- Travelers
- US Health & Life
- VSP
- David Weisenburger, CIC, Pres.