UnitedHealth Group

UnitedHealth Group is the largest private health insurance provider in the United States, providing medical benefits to 48 million members across its U.S. and international businesses at the end of 2020. As a leader in employer-sponsored, self-directed, and government-backed insurance plans, UnitedHealth has obtained massive scale in managed care. Along with its insurance assets, UnitedHealth's continued investments in its Optum franchises have created a healthcare services colossus that spans everything from medical and pharmaceutical benefits to providing outpatient care and analytics to both affiliated and third-party customers.