In addition to dredging in its namesake waters, Great Lakes also builds lighthouses, bridges, piers, and docks.

Its dredging operations generally fall into three different categories: capital dredging (involving ports), beach nourishment (replenishing or fortifying eroded areas), and maintenance (redredging and improvements). Great Lakes Dredge & Dock Company has been in the dredging business for 115 years and has made major contributions to the nation's ports and shorelines. is created as a holding company.ġ985: Itel Corporation acquires Great Lakes International.ġ986: The Water Resources Development Act, known as the 'Deep Water' legislation, is passed.ġ990: Great Lakes celebrates its centennial.ġ991: Itel sells Great Lakes to Blackstone Dredging Partners LP.ġ998: Blackstone sells Great Lakes to Vectura Capital, a division of Citicorp.Ģ001: Great Lakes acquires a majority stake in North American Site Developers, Inc.Ģ003: Citicorp sells Great Lakes to the Chicago-based Madison-Dearborn Partners.Ģ004: Great Lakes wins several new contracts in the Persian Gulf.

Marie.ġ979: Great Lakes International, Inc. 1,' the company's first dredging machine, is built.ġ905: The firm is renamed Great Lakes Dredge & Dock Company.ġ943: Great Lakes builds the MacArthur Lock at Sault Ste. Great Lakes applies its dredging expertise to deepen and maintain waterways, shipping channels, and ports create and maintain beaches excavate harbors and build docks, terminals, and piers reclaim land restore aquatic and wetland habitats and excavate pipeline, cable, and tunnel trenches.ġ890: Lydon & Drews Company is formed in Chicago.ġ892: Lydon & Drews provides shoreline work for the Columbian Exposition.ġ894: 'Dredge No. NAIC: 234990 All Other Heavy Constructionĭredging is a specialized field that can include handling a full range of natural underwater materials-silts, clays, sands and rock formations.

Boston harbor dredging great lakes 1998