- Aetna
- Anthem
- Cincinnati Insurance Companies
- CNA
- Cowbell Cyber
- ECM
- EyeMed
- Frankenmuth
- Guardian Life
- Keystone Natl.
- Liberty Mutual
- Medical Mutual of Ohio
- Mennonite Mut.
- Nationwide
- Patriot Life
- Philadelphia
- Progressive
- Safeco
- Superior Dental
- Superior Vision
- United Healthcare
- West Bend
- Westfield Insurance