Preferred Insurance Services, Inc.
- AARP
- Accident Fund Insurance Company
- Alfa
- Atlantic Specialty
- Berkley Mid-Atlantic Group
- Builders Mutual Insurance
- Chesapeake
- Chubb
- CNA
- Erie Insurance
- FCCI
- GNY
- Grange
- Harford Mut.
- ICW Group
- LIO Insurance
- Loudoun Mut.
- National General
- Nationwide
- Penn Natl.
- Personal Umbrella
- Philadelphia
- Progressive
- Selective
- Travelers
- West Bend
- Patrick M. Sullivan, AISM, Pres.