Domestic Commercial:
Algoma Central & Hudson Bay Railway Co. - Steamship Division
Algoma Central Corporation - St. Catharines, Ontario
Algoma Tankers Ltd. - Dartmouth, Nova Scotia
Algonquin Corporation - division of the Hall Corporation of Canada
American Export Isbrandtsen Lines Inc. - Chicago, Illinois
American Oil Company (Amoco Oil) - Whiting, Indiana
American Steamship Company - Buffalo, New York
Bethlehem Steel Corporation - Cleveland, Ohio
Branch Lines Ltd. - Sorel, Quebec
Browning Steamship Lines Inc. - Detroit, Michigan
Buckeye Steamship Company - Cleveland, Ohio
Canada Steamship Lines - Canada
Canfornav Inc. - Montreal, Canada
Carryore Ltd. - Montreal, Quebec
Cleveland Cliffs Steamship Company - Cleveland, Ohio
Cleveland Tankers Inc. - Cleveland, Ohio
Colonial Steamships Ltd. - Port Colborne, Ontario
Columbia Steamship Company - Cleveland, Ohio
Desgagnes Transports Inc. - Quebec City, Quebec
Enerchem Transports Inc. - Montreal, Quebec
Erie Sand Steamship Company - Erie, Pennsylvania
Essroc Canada Inc.
Farrell Lines Inc. - New York, USA
Federal Commerce & Navigation - Montreal, Quebec
FedNav Ltd. - Montreal, Quebec
Ford Motor Company - Dearborn, Michigan
Grand River Navigation Company - Traverse City, Michigan
Great Lakes Steamship Company - Cleveland, Ohio
Groupe Desgagnes Inc. - Quebec City, Quebec
Gulf Oil Canada Ltd. - Toronto, Ontario
Hall Corporation (Shipping) 1969 Ltd. - Canada
Hall Corporation of Canada - Toronto, Ontario
Hindman Transportation Company Ltd. - Owen Sound, Ontario
Huron Cement Company
Imperial Oil Ltd. - Toronto, Ontario
Inland Lakes Management Inc. - Alpena, Michigan
Inland Steel Corporation - Chicago, Illinois
Interlake Steamship Company - Cleveland, Ohio
International Harvester Company - Chicago, Illinois
Irving Oil Company - Saint John, New Brunswick
Isthmian Steamship Company - New York, USA
Johnstone Shipping Ltd. - Toronto, Canada
Kinsman Marine Transit Company - Cleveland, Ohio
LaFarge Cement
Lower Lakes Towing Ltd. - Port Dover, Ontario, Canada
Lykes Brothers Steamship Company (Lykes Lines) - Galveston, Texas
McKeil Marine Ltd. - Hamilton, Ontario
Misener Transportation Ltd - St. Catharines, Ontario
Mohawk Navigation Company - Montreal, Quebec
N.M. Paterson & Sons Ltd. - Canada
National Steel Corporation - Cleveland, Ohio
Nicholson Transit Company - Detroit, Michigan
Nipigon Transports Ltd. - Montreal, Quebec
Nunavut Eastern Arctic Shipping Inc. (NEAS) - Nunavut, Canada
Oceanex Inc. - St. John's, Newfoundland, Canada
Oglebay Norton Company - Cleveland, Ohio
P&H Shipping Company - Mississauga, Ontario
Papachristidis Company Ltd. - Montreal, Canada
Pioneer Shipping Ltd. - Montreal, Quebec
Pittsburgh Steamship Company - Duluth, Minnesota
Pringle Barge Line Company - Cleveland, Ohio
Quebec & Ontario Transportation Company - Thorold, Ontario
Reiss Steamship Company - Sheboygan, Wisconsin
Reoch Transports Ltd. - Toronto, Ontario
Republic Steel Corporation - Detroit, Michigan
Rigel Shipping Canada Ltd. - Halifax, Canada
Scott Misener Steamships Ltd. - Port Colborne, Ontario
Shediac Bulk Shipping (Metro Oil) Ltd. - Canada
Shell Oil Company Canada Ltd. - Toronto, Ontario
Societe Sofati/Socanav - Sorel, Quebec
Soo River Company - Mississauga, Ontario
St. Lawrence Cement Company - Toronto, Ontario
Texaco Canada Ltd. - Toronto, Ontario
Tomlinson Steamship Company
United States Steel Corporation
Upper Lakes & St. Lawrence Transportation Company - Toronto, Ontario
Upper Lakes Shipping Ltd. (ULS) - Toronto, Ontario
USS Great Lakes Fleet Inc. - Duluth, Minnesota
Voyageur Marine Transport Ltd. - Ridgeville, Ontario
Westdale Shipping Ltd. - Port Credit, Ontario
Wilson Transit Company - Cleveland, Ohio
Woodward Group - Newfoundland, Canada
Wyandotte Transportation Company - Detroit, Michigan
International Fleets:
Avin International - Athens, Greece
B.G. Freight Line B.V. - Roterdam, Netherlands
BBC Chartering GmbH - Leer, Germany
Bernhard Schulte Shipmanagement
BigLift Shipping B.V. - Amsterdam, Holland
Briese Shipping B.V., Holland
Carisbrooke Shipping - England
Ceres Hellenic Shipping Enterprises Ltd. (George P. Livanos) - Greece
Clipper Group - Copenhagen, Denmark
CMA CGM Company - Marseille, France
Columbia Ship Management Ltd. - St. Petersburg, Russia
Combi Lift GmbH
Eitzen Chemical - Oslo, Norway
Evergreen Marine Corporation - Taiwan
Flinter Shipping B.V. - Groningen, Netherlands
ForestWave Navigation B.V. - Groningen, Netherlands
Grimaldi Lines - Naples, Italy
Hansa Heavy Lift GmbH
Hapag-Lloyd AG - Hamburg, Germany
Intermarine LLC - Houston, Texas
Intersee Schiffahrts - Haren Ems, Germany
Jadranska Slobodna Plovidba - Yugoslavia
Jumbo Shipping - Schiedam, Netherlands
London & Overseas Freighters Ltd. - London, England
Maersk Line (A.P. Møller - Mærsk A/S) - Copenhagen, Denmark
Maersk Tankers - Copenhagen, Denmark
Mammoet Shipping BV - Utrecht, Netherlands
Mediterranean Shipping Company (MSC) - Geneva, Switzerland
Mega Chemicals Schiffahrt - Zurich, Switzerland
Murmansk Shipping Company - Russia
Navigation Maritime Bulgare (Navibulgar) - Varna, Bulgaria
Neste OY - Espoo, Finland
Nordic Tankers A/S - Hellerup, Denmark
OOCL - Orient Overseas Container Line - Hong Kong
Polsteam - The Polish Steamship Company
Rederiet Stenersen AS - Bergen, Norway
Rigel Shipping - Bremen, Germany
Sloman Neptun - Bremen, Germany
Spar Shipping AS - Bergen, Norway
Spliethoff Group - Amsterdam, Netherlands
Stolt-Nielsen Ltd - London, England
Torm Line - Copenhagen, Denmark
Uni-Tankers A/S - Middlefart, Denmark
Unitramp S.A. (UIM/Unitramp) - France
USSR (Black Sea Shipping Co.) - U.S.S.R.
Viken Shipping AS - Bergen, Norway
Wagenborg Shipping B.V. - Delfzijl, Netherlands
Zeamarine GmbH - Hamburg, Germany
Passenger:
American Classic Voyages - Chicago, Illinois
Canadian Pacific Railway Company - Canada
Grimaldi Lines - Palermo, Italy
Owen Sound Transportation Company - Leamington, Ontario
Princess Cruise Lines - Valencia, California
Royal Caribbean Cruises Ltd. (RCL) - Miami, Florida, USA
Royal Viking Line - San Francisco, California
Société des Traversiers du Québec (STQ) - Quebec City, Canada
Tug Boat:
Arcelor Mittal - Quebec
DonJon Marine Company Inc. - Hillside, New Jersey
Gaelic Tugboat Company - Detroit, Michigan
Great Lakes Towing Company - Cleveland, Ohio
Hannah Marine Corporation - Lemont, Illinois
K-Sea Transportation Company LLC - East Brunswick, New Jersey
Lakehead Tugboats Inc.
McAllister Towing & Transportation Company - New York, NY
McAsphalt Marine Transportation Ltd. - Toronto, Canada
McNally Construction Inc. - Hamilton, Ontario
Moran Towing Corporation - New York, NY, USA
Multraship Towage & Salvage Company - Terneuzen, The Netherlands
Nadro Marine Services - Port Dover, Ontario
Ocean Group - Quebec City, Quebec
Purvis Marine Ltd. - Sault Ste. Marie, Ontario
Sandarin Brothers Ltd. - Sarnia, Ontario
Seaspan Marine Transportation - North Vancouver, British Columbia
Selvick Marine Towing Corporation - Sturgeon Bay, Wisconsin
Thunder Bay Tug Services Ltd. - Canada
Toronto Drydock Ltd - Toronto, Ontario
Coast Guard/Military:
British Navy
Canadian Coast Guard - Ottawa, Ontario, Canada
French Marine Nationale
Hellenic Navy
Royal Canadian Navy
Royal Netherlands Navy
Royal Saudi Arabian Navy
United States Coast Guard
United States Navy
Government/Research:
United States Environmental Protection Agency - Washington, D.C.
United States Maritime Administration
Scrap Metal Recyclers:
Dwor Metals - Port Colborne, Ontario
Marine Salvage / Marine Recycling Corp. - Port Colborne, Ontario
Steel Company of Canada (Stelco)
Strathearne Terminals / United Metals - Hamilton, Ontario