1972: Gordon Bain founds his first business, Aqua-Marine, specializing in underwater work.
1987: Aqua-Marine becomes Ocean Construction Inc. by acquiring Québec Tugs Ltd.
1992: Start of operations for Océan Transport Maritime Inc.
1993: Acquisition of McAllister Towing and Salvage Inc. in Montréal
1994: Acquisition of Sorel Tug Boats Inc.
1997: Acquisition of the Isle-aux-Coudres shipyard, which is renamed Ocean Industries Inc.