The Great Lakes Towing Company is the largest U.S.-flag tugboat company on the Great Lakes and provides services such as local harbor towing, docking and undocking, interport towing of vessels and barges, icebreaking, as well as rescue and assistance to grounded or damaged ships with a fleet of nearly forty tugboats stationed throughout U.S. Great Lakes ports. Great Lakes Shipyard, a division of The Great Lakes Towing Company, operates a full-service shipyard in Cleveland, OH with a 900-ton Marine Travelift and specializes in construction and repair of tugboat and barges, science vessels, supply boats, ferries, excursion vessels, dinner boats, large yachts, and off-site topside work of every kind. The Great Lakes Group is a full-service marine transportation company headquartered in Cleveland, Ohio. The Great Lakes Group is the parent Company to The Great Lakes Towing Company, Great Lakes Shipyard, and Soo Linehandling Services.