- Accident Fund Insurance Company
- Acuity Insurance
- Aegis
- Aetna
- Aflac
- American Modern Insurance Group
- Amerisafe
- BCBS
- Berkshire Hathaway Homestate
- CNA
- CNA Surety
- CompSource Mut.
- Crum & Forster
- CWG
- Delta Dental
- EMC
- Foremost
- Guard
- GuideOne
- Hagerty
- Hartford
- Liberty Mutual
- Marysville Mutual
- MetLife
- Mid-Continent Grp.
- Midwest Ins.
- National General
- Nationwide
- Natl. American
- Old Republic Surety
- Philadelphia
- Progressive
- Safeco
- State Auto
- Texas Mut.
- Travelers
- United Fire Group
- United Healthcare
- West Bend
- Zurich