- Catlin Insurance Company
- Chubb
- Chubb
- CNA
- Donegal
- Grange
- Great American
- Hanover
- Hartford
- Liberty Mutual
- Lloyd's
- Markel
- Nationwide
- North American Specialty
- Ohio Casualty
- Old United
- OneBeacon
- Philadelphia
- Progressive
- Safeco
- Seaworthy
- Selective
- State Auto
- The Philadelphia Contributionship
- Travelers
- W. R. Berkley Corporation
- XL Specialty
- Zurich
- Kevin Minehan, Pres.
- Eric McDowell, Exec. V.P.
- Andrew Lunney, V.P.