Spreng-Smith Agency, Inc.
- Aetna
- Aviva
- Banner Health
- Cincinnati Insurance Companies
- Delta Dental
- Dental Care Plus
- Foremost
- GeoBlue
- Guardian
- Hartford
- Humana
- John Hancock
- Keystone
- Legal & General
- Liberty Mutual
- Lincoln Financial Group
- Medical Mutual of Ohio
- MetLife
- Mutual of Omaha
- Philadelphia
- Principal Financial Group
- Progressive
- Prudential
- Safeco
- Starmark
- SummaCare
- Superior Dental Care
- Transamerica
- Travelers
- United Fire Group
- United Healthcare
- Voya
- VSP
- West Bend
- Westfield Insurance