Incorporated in 1899, The Great Lakes Towing Company is one of the largest tugboat companies providing towing services and business on the Great Lakes and the United States. Based in Cleveland, Ohio, it offers a range of marine repairs services, such as local harbor towing, docking and undocking; interport towing of vessels and barges, ice breaking, rescue and assistance to grounded or damaged ships, among others. The firm also operates a full-service shipyard and dry dock located on the Cuyahoga River.