Humana Inc. engages in the provision of health insurance services. The firm operates through the following segments: Retail, Group and Specialty and Healthcare Services.. The Retail segment consists of products sold on a retail basis to individuals including medical and supplemental benefit plans such as Medicare, and State-based Medicaid contracts. The Group and Specialty segment contains employer group fully-insured commercial medical products and specialty health insurance benefits marketed to individuals and groups, including dental, vision, military services and other supplemental health & voluntary insurance benefits. The Healthcare Services segment offer services such as pharmacy solutions, provider services, clinical care, predictive modeling and informatics services to other Humana businesses, as well as external health plan members, external health plans, and other employers. The company was founded by David A. Jones, Sr. and Wendell Cherry in 1961 and is headquartered in Louisville, KY.