- Amerisafe
- AmTrust
- BITCO Insurance Companies
- Builders Insurance Group
- Central Insurance Companies
- Chubb
- FFVA Mutual
- Hanover
- Hartford
- Kemper
- Montgomery
- OneBeacon
- Philadelphia
- PMA Cos.
- Progressive
- Selective
- Summit
- Travelers
- Utica National Insurance Group
- Westfield Insurance
- Zurich