Company Description. Jani-King, which celebrated the company’s 50th year anniversary in 2019, is the world’s the largest franchise based, commercial cleaning company and is proud to be the official cleaning company for both the Cleveland Cavaliers and the PGA of America. Jani-King of Cleveland, representing the Northeast Ohio market for Jani-King, opened their doors in 1991 and has become the fourth largest Jani-King office in the United States w...
