- Aetna U.S. Healthcare
- American Specialty Health Plans (ASHP)
- Assurant Health
- Banner Life
- Anthem Blue Cross
- Blue Shield of California
- C.N.A. Financial Corp.
- California Choice-California
- Cobra Compliance Systems, Inc.
- Delta Dental
- First Colony Life
- GE Capital
- Guardian
- Health Net
- Humana
- Jackson National Life
- John Hancock Life Insurance Company
- Kaiser Permanente-California
- Kemper Insurance
- ManuLife Financial
- Medical Eye Services
- MetLife
- Nationwide Health Plans CA
- New England Life
- PACIFICARE – California
- PMI Dental Health Plan
- Premier Access Dental
- Principal Medical & Dental
- Reliastar
- Smilesaver
- Standard Insurance Company
- U.S. Life
- UNUM Provident
- US Financial Life Insurance Company
- Vision Service Plan Insurance Company