Founded in 1961 as a nursing home company, Humana has transformed itself into one of the largest health insurance providers in the country. Headquartered right here in Louisville, Humana is the largest Fortune 500 company in the state, boasting revenues of over $28 billion, and an employee base that exceeds 28,000. Humana markets and administers health benefit consumer services to employer groups, government-sponsored programs, and individuals. Their services span all 50 states and extend internationally into parts of Western Europe.