UNH

UnitedHealth Group is a multinational health‑care company that operates through two complementary businesses: UnitedHealthcare, which provides a wide range of health‑insurance products to individuals, employers, Medicare and Medicaid participants, and Optum, which delivers health‑services and technology solutions such as care delivery, pharmacy‑benefit management, data analytics, and consulting. It is positioned in the managed‑health‑care and health‑insurance sector, leveraging a vertically integrated model that combines financing, clinical services, and digital tools to improve efficiency and outcomes. The firm’s extensive provider network, scale of operations, and data‑driven approach make it the largest health‑insurer in the United States and one of the world’s biggest health‑care enterprises.