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Great Lakes Dredge & Dock

Great Lakes Dredge & Dock Corporation provides dredging services in the United States. Its services include capital dredging for port expansion, coastal restoration, land reclamation, trench digging for pipelines, tunnels, and cables, and construction of breakwaters, jetties, canals, and other marine structures. It also performs coastal protection, maintenance dredging, lake and river dredging, inland levee and construction dredging, environmental restoration, and habitat improvement. The company operates hydraulic dredges, hopper dredges, mechanical dredges, scows, and multi cats equipment, serving federal, state, and local governments, foreign governments, and domestic and foreign private concerns such as utilities, oil and gas, and other energy companies. It was formerly known as Lydon & Drews Partnership and changed its name to Great Lakes Dredge & Dock Corporation in 1905. Founded in 1890, it is headquartered in Houston, Texas. As of April 1, 2026, it operates as a subsidiary of Saltchuk Resources, Inc.

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Great Lakes Dredge & Dock Takes Delivery of Subsea Rock Installation Vessel Acadia

Great Lakes Dredge & Dock Corporation has taken delivery of Acadia, a Jones Act-compliant subsea rock installation vessel, from Hanwha Philly Shipyard in Philadelphia. The vessel will first mobilize to work on Equinor's Empire Wind 1 project offshore New York, then proceed to Ørsted's Sunrise Wind project, also offshore New York, before heading to Europe for a major offshore wind developer, keeping it utilized for the majority of 2027. Acadia is the first U.S.-flagged, Jones Act-compliant subsea rock installation vessel of its kind, designed to transport and precisely place rock materials on the seabed to protect subsea infrastructure such as cables and foundations for offshore wind turbines. The delivery marks a significant milestone in Great Lakes' strategic expansion into the offshore energy sector.
GLDD ▲D2G.XETRA ▲EQNR ▲
Energy Transition & Power Demand ▲
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Energy Transition & Power Demand › Wind ▲Supply
GLDD · Demand · Positive Delivery of Acadia vessel secures work on Equinor and Orsted offshore wind projects, expanding into offshore energy sector.
Hanwha Philly Shipyard · Capital · Positive Hanwha Philly Shipyard delivered the vessel, completing a construction contract.
D2G.XETRA · Demand · Positive Orsted's Sunrise Wind project will use the Acadia vessel for subsea rock installation.
EQNR · Demand · Positive Equinor's Empire Wind 1 project will use the Acadia vessel for subsea rock installation.
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