- AAA
- Allstate
- American Modern Insurance Group
- BCBS
- Burns & Wilcox
- CNA Surety
- Dairyland
- Discovery
- Foremost
- Liberty Mutual
- Lloyd's
- Markel
- National General
- Natl. American
- Natl. Indemnity
- Progressive
- RLI Corp.
- Standard
- Travelers
- Universal P&C
- USLI
- Victoria
- Viking