The following companies are the major competitors of WellPoint Inc.
- Aetna Incorporated
- Catholic Healthcare West
- CIGNA Corporation
- Health Net, Inc.
- Kaiser Foundation Health Plan, Inc.
- Oxford Health Plans, Inc.
- Pacific Mutual Holding Company
- PacifiCare Health Systems, Inc.
- Humana Inc
- Sierra Health Services
- Guardian Life Ins. Co. of America
- First Health Group Corp.
- Coventry Health Care, Inc.
- WellCare Health Plans, Inc
- UnitedHealth Group
- BioScrip, Inc
- Express Scripts
