Global Maritek Systems, 202 Armory Dr, Sault Sainte Marie, MI 49783, US

Durocher Marine, a division of Kokosing Construction Company, is a contractor that specializes in marine and heavy construction projects throughout the United States. It offers bridge and tunnel construction services. The company builds ocean piers, breakwater, tanker and ship terminals, marinas, intake and outfall pipelines, sheet pile walls, shoreline stabilization projects, and submarine power and communication cables. Durocher Marine offers dredging, dam repair and diving services, as well as carries out a variety of salvage operations. It collaborates with owners, designers, prime contractors, subcontractors and suppliers. The company has undertaken projects that include the Pipeline Span Revetment Straits of Mackinac, Atlantis Phase II Tunnel Paradise Island, Arsenic Contaminated Encapsulation, and Texas Avenue Intake Extension and Crib Installation.