- AIG
- Allstate
- American Modern Insurance Group
- American Strategic Insurance
- Berkshire Hathaway Homestate
- CNA Surety
- Encompass
- Grinnell Mutual
- Guard
- Hagerty
- Harford Mut.
- Markel
- MetLife
- National General
- Nationwide
- Philadelphia
- Progressive
- Safeco
- State Auto
- Travelers