UnitedHealth Group is an American diversified health company that serves approximately 75 million individuals throughout the United States. The company offers an array of products and services through six operating businesses: UnitedHealthcare Employer & Individual, UnitedHealthcare Medicare & Retirement, UnitedHealthcare Community & State, OptumHealth, OptumInsight and OptumRx. UnitedHealth Group operates in all 50 states and internationally. It is headquartered in Minnetonka, Minnesota.