The Key Family was founded in 1979 as a full-service group benefits administration firm specializing in self-funded medical plans. Since that time the Key Family has grown to become one of the country’s largest independently owned third party administrators, supporting a wide variety of group benefit plans. With its two major locations in Indianapolis, Indiana, and Fort Mill, South Carolina, the Key Family is a commonly held group of benefits-related organizations with over 400 employees, over 3,000 corporate customers, and over 2.6 million members under management.