- 180 Health Partners
- Aetna
- Affinity Health Plan
- AMERIGROUP Corporation, VA
- Anthem Blue Cross Blue Shield, IN
- Anthem, Inc.
- Arches Health Plan,UT
- AultCare HMO, OH
- AvMed Health Plans, FL
- Avondale Partners
- BCE Emergis, Inc., MD
- Beacon Specialized Living Services
- Blue Care Network, MI
- Blue Cross Blue Shield, DE
- Blue Cross Blue Shield, FL
- Blue Cross Blue Shield, KC
- Blue Cross Blue Shield, MA
- Blue Cross Blue Shield, MI
- Blue Cross Blue Shield, NC
- Blue Cross Blue Shield, TN
- Blue Cross Blue Shield, ID
- Bohemia Health
- Calvert Health Partners
- Capital Blue Cross
- Capital District Phys. Health Plan, NY
- Capital Health Plan, FL
- Care Source Mid Rouge Health Plan, OR
- CareFirst Blue Cross Blue Shield, MD
- Carle Clinic Association, IL
- Centene Corporation, MO
- Cigna, CT
- Citrus Health Care
- Clear Choice Health Plan, OR
- Colorado Access
- Community Health Choice
- Community Health Plan, CA
- Community Health Plan, MO
- Compass Rose Benefits Group
- ConnectiCare, CT
- Cook Children’s Health Care System
- Dean Health Plan, Inc, WI
- Deseret Mutual Insurance
- EBenefits Solutions
- Elderplan Inc.Equality Health
- Excellus
- Excellus Health Plan, NY
- ExpressScripts Medicare Part D
- First Health
- Gateway Health Plan
- GEHA
- Geisinger Health Plan, PA
- Harvard Pilgrim Health Care, MA
- Hazelden Betty Ford Foundation
- Health Alliance Medical Plans, IL
- Health Alliance Plan, MI
- Health Care Service Corporation, IL
- Health Plan Alliance, TX
- Health Plan of Michigan, Inc.
- HealthMarkets, TX
- HealthNow, NY
- HealthPartners, MN
- HealthSun Health Plans
- Highmark, PA
- Hometown Health Plan
- Horizon Blue Cross Blue Shield of New Jersey
- Humana, KY
- Independence Blue Cross
- Independent Health, NY
- Interamerican Medical Center
- Jefferson Health System
- John Deere Health, IL
- John Muir/Mt. Diablo Health System, CA
- Kaiser Permanente
- Keystone Health Plan Central, PA
- A. Care Health Plan
- M-Care, MI
- Magellan
- Medica Health Plans
- Medical Life Holdings
- Medical Mutual of Ohio, OH
- Medically Home
- Mercy Health Plans, MO
- MetLife
- Metropolitan Jewish Health System
- Molina Healthcare, CA
- MVP Health Care, NY
- Neighborhood Health Plan of RI
- New Mexico Health Connections, NM
- NextHealth Technologies
- OSF Health Plans, Inc., IL
- PacificSource Health Plans, OR
- Physicians Plus Insurance Corp., WI
- PreferredOne, MN
- Premera Blue Cross, WA
- Presbyterian Health Plan, Inc., NM
- Presence Health
- Priority Health, MI
- Private Healthcare Systems, MA
- Providence Health Plans, OR
- Regence
- SafeGuard Health Enterprises, CA
- SCAN Health Plan, CA
- Scott & White
- SelectAccount
- Sentara Health Plan
- Synchronous Health
- The Regence Group, WA
- Total Health Care
- UCare
- United AG
- United Health Group, Enterprise Services, IL
- United Health Group, MN
- United Health Technologies, MN
- United Healthcare, MN
- Univera Healthcare, MN
- Virginia Premier Health Plan
- Vista Healthplan, Inc., FL
- Vivius, MN
- Wausau Benefits, Inc., WI
- Wellcare
- Wellmed Medical Management
- WellPoint
- Word and Brow
