Adventist Health Services
Anaheim Memorial Medical Center
Aspen Education Group
Barlow Respiratory Hospital
Beta Healthcare Group
Betty Ford Center at Eisenhower
California Boring, Inc.
Carl Warren & Company
Century City Doctors Hospital
Chest & Critical Care Consultants
Chubb
Cincinnati Insurance Companies
Citrus Valley Health Partners, Inc.        
City of Newport Beach
County of Orange
CNA Insurance
College Health Enterprises
Concentra Managed Care Services
Concentra Medical Centers
Foothill Presbyterian Hospital
G.E. Medical Protective Insurance
Company/Swiss Reinsurance Company
Health Providers Insurance Reciprocal, RRG
Memorial Health Services
Mercury Casualty Company
Mission Hospital
Norcal Mutual Insurance Company
Northeast Community Clinic
Optima Healthcare Insurance Services
Pacific Hospital of Long Beach
Pinnacle Health Resources
Primary and Multi-Specialty Clinics of America, Inc.
Prospect Medical Holdings, Inc.
Regents of the University of California
San Antonio Community Hospital
SCPIE Companies
Sedgwick Caronia
Sentry Insurance Company
South Coast Medical Center
State Farm Fire & Casualty
St. Joseph Health System
St. Joseph Hospital of Orange
St. Jude Medical Center
St. Mary Medical Center
Thousand Oaks Surgical Hospital
Torrance Memorial Medical Center
Travelers Insurance Company
Viant
Westco Claims Management Services
Western United Insurance Company, Inc.
Zurich American Insurance Group