Diversified Insurance Industries
- AIG
- AIG
- Allianz
- Brethren Mutual
- Builders Mutual Insurance
- Chesapeake
- Chubb
- Cincinnati Insurance Companies
- CNA
- Donegal
- Employers
- Encompass
- Farmers Insurance
- Fireman's Fund
- Foremost
- Frederick Mut.
- GNY
- Great American
- GuideOne
- Hanover
- Harford Mut.
- Hartford
- Hartford Steam Boiler
- Kemper
- Liberty Mutual
- MAIF
- Medical Mutual
- Medical Protective
- MiddleOak
- Nationwide
- One Beacon
- Penn Natl.
- Pennsylvania Lumbermens Mutual
- Philadelphia
- PMA
- Progressive
- PURE
- Safeco
- Seneca
- Tapco Undwrs.
- Travelers
- United Educators
- USLI
- Utica National Insurance Group
- Westfield Insurance
- Zurich