- Aetna
- AIG
- American Strategic Insurance
- AmTrust
- Cincinnati Insurance Companies
- Cumberland Mutual
- Donegal
- Eastern Alliance
- Hanover
- Harford Mutual
- Harleysville
- Hartford
- Highmark BC/BS
- Liberty Mutual
- Main St. America
- Nationwide
- Penn National
- Principal
- Progressive
- Travelers
- United Healthcare
- UPC
- Utica National Insurance Group
- Westfield Insurance
- Zurich