- Aetna
- Allstate
- Chesapeake Employers Ins.
- Cincinnati Insurance Companies
- Cumberland
- Donegal
- Guard
- GuideOne
- Harford Mut.
- Hartford
- Liberty Mutual
- Main St. America
- Nationwide
- Premium Assignment
- Progressive
- Selective
- Westfield Insurance
- Westminster
- Wilmington
- Windsor-Mount Joy Mutual
- Jim W. Hartstein, CIC, CRM, CWCA, Princ.