Overview Jani-King is the world’s largest commercial cleaning franchisor and the official cleaning company for The PGA of America,The Dallas Cowboys, Richard Petty Motorsports, Texas Rangers, Cleveland Cavaliers, University of Oklahoma and many more. Founded in 1969, Jani-King has over 9,000 franchisees in 14 countries around the world supported by over 120 regional offices, Jani-King is a growing and dynamic company. Jani-King, The King of Clean