- AIC
- Bedford Grange Mutual
- Centre County Mut.
- CNA
- Cumberland Mutual
- ECM
- EMC
- Encompass
- Kemper
- Lebanon Valley
- Liberty Mutual
- Markel
- MSA Group
- Nationwide
- Penn National
- Progressive
- Rockwood Casualty
- Safeco
- State Auto
- The Farmers Fire Insurance
- Travelers
- Tuscarora Wayne
- Utica National Insurance Group