UNH

UnitedHealth Group Incorporated

A healthcare giant that runs two big businesses: UnitedHealthcare, which provides health insurance to employers, individuals, and government programs, and Optum, which delivers value-based care, pharmacy benefits, analytics, and technology to health systems and plans. Its Optum Rx arm manages prescription drug spending through a network of tens of thousands of retail pharmacies and home delivery, while Optum Bank offers health financial services.