- Aetna U.S. Healthcare
- AFLAC
- American Specialty Health Plans (ASHP)
- Ameritas
- Assurant Health
- Blue Cross of California
- Blue Shield of California
- C.N.A. Financial Corp.
- CalFarm Insurance
- California Choice-California
- CIGNA
- Cobra Compliance Systems, Inc.
- Cobra Pro
- Colonial Life & Accident Insurance
- CPIC Life Insurance Company
- Delta Dental
- Denticare of CA
- Exec-U-Care
- PACIFICARE – California
- Phoenix Home Life Insurance
- PMI Dental Health Plan
- Principal Financial Group
- Protective Life
- Reliance Standard Life Insurance Company
- Sharp Health Plan
- Smilesaver
- The Hartford
- The HIPC/PacAdvantage
- The Holman Group
- The Standard Life Assurance Compan
- Transamerica Life
- Universal Care
- UNUM Provident
- Vision Service Plan Insurance Company
- Zurich Kemper Life Insurance
