Health insurance (major medical insurance)

Health insurance and Health insurance in the United States
• AARP
• Aetna
• American Family Insurance
• American National Insurance Company
• Amerigroup
• Anthem Blue Cross and Blue Shield
• Assurant
• Blue Cross and Blue Shield Association
• Celtic Insurance Company, subsidiary of Centene Corporation
• Centene Corporation
• Cigna
• Coventry Health Care
• EmblemHealth
• Fortis
• Golden Rule Insurance Company
• Group Health Cooperative
• GHI
• Health Net
• HealthMarkets
• HealthSpring
• Highmark
• Humana
• Independence Blue Cross
• Kaiser Permanente
• LifeWise Health Plan of Oregon
• Medical Mutual of Ohio
• Molina Healthcare
• Premera Blue Cross
• Principal Financial Group
• The Regence Group
• Shelter Insurance
• Thrivent Financial for Lutherans
• UnitedHealth Group
• Unitrin
• Universal American Corporation
• WellCare Health Plans
• WellPoint
Medicare
Medicare (United States)
• Aetna
• American Family Insurance
• Bankers Life and Casualty
• Conseco
• Mutual of Omaha
• Premera Blue Cross
• Thrivent Financial for Lutherans