- Acuity Insurance
- AIG
- American Mining
- Brethren Mutual
- Celina Insurance Group
- Chubb
- Cincinnati Insurance Companies
- Donegal
- Eastern Alliance
- ECM
- Encova
- Farmers Fire Insurance Company
- Farmers Insurance
- Fireman's Fund
- Great American
- Hartford
- Leganon Mut.
- Middlesex Mut.
- MMG
- Nationwide
- Nationwide
- Penn Natl.
- Philadelphia
- PMA
- Rockwood
- Selective
- State Auto
- Travelers
- W. R. Berkley Corporation
- Zurich
- Joseph R. Imler, ARM, Pres.
- Dale B. Snyder, Treas.