The Great Lakes Group
building our reputation for more than a century…job by job, boat by boat, barge by barge, and tow by tow
The Great Lakes Group is a full-service marine transportation organization made up of a “Group” of diversified marine-related companies operating on the Great Lakes; the East, Gulf, and West Coasts of the United States; as well as Puerto Rico, the islands of the Caribbean, and internationally. The Group includes: The Great Lakes Towing Company and Great Lakes Shipyard, Puerto Rico Towing & Barge Co., Tugz International LLC, and Soo Linehandling Services, Inc. Founded in 1899 by John D. Rockefeller, The Great Lakes Towing Company is now celebrating its 114th year in continuous business.