- Aetna
- AIG
- Allianz
- American Strategic Insurance
- Berkshire Hathaway GUARD
- Blue Cross Blue Shield of TX
- CNA
- Community Health
- Foremost
- Humana
- Mercury
- Nationwide
- North American Company
- Progressive
- Protective
- Safeco
- State Auto
- Transamerica
- Travelers
- United Healthcare
- USLI