- Acuity Insurance
- Aetna
- Assurant
- Capital Blue Cross
- Cincinnati Insurance Companies
- CM Regent
- Delta Dental
- Donegal
- Eastern Alliance
- Encompass
- Everett Cash Mutual Insurance Co.
- Foremost
- Guardian
- GuideOne
- Hartford
- Highmark
- Kemper
- Lackawanna Casualty
- Liberty Mutual
- Lititz Mutual
- MetLife
- Millers Mutual
- MMG
- Nationwide
- NAU Country
- Penn Natl.
- Pennsylvania Lumbermens Mutual
- Philadelphia
- Principal
- Progressive
- RCIS
- Selective
- State Auto
- Travelers
- Tuscarora Wayne
- United Concordia Dental
- United Healthcare
- Utica National Insurance Group
- Westfield Insurance