DEME Group NV, together with its subsidiaries, provides marine solutions in Belgium, Europe, Africa, the United States, Asia, and the Middle East. It operates through four segments: Offshore Energy, Dredging & Infra, Environmental, and Concessions. The Offshore Energy segment provides engineering and contracting services, such as engineering, procurement, construction, and installation of foundations, turbines, inter-array cables, export cables and substations; operations and maintenance, logistics, repair and decommissioning, as well as salvage services; and specialized offshore services, including geoscience services and the installation of suction pile anchors and foundations. The Dredging & Infra segment undertakes capital and maintenance dredging, land reclamation, soil improvement, port construction, coastal protection, and beach nourishment works. This segment also offers engineering, design and construction of complex marine structures, such as jetties, port terminals, locks, and weirs; infrastructural works comprising bored and immersed tunnels; foundation and marine works; and civil works for harbor construction, dams and sea defenses, canal construction, revetment, quay wall construction, and shore protection, as well as maritime services for port terminals. The Environmental segment provides environmental solutions for soil remediation and brownfield redevelopment, environmental dredging, and sediment and water treatment. The Concessions segment invests in and develops projects in wind, port infrastructure, green hydrogen, and other special projects; and holds concessions for seabed areas. The company was formerly known as Dredging Environmental and Marine Engineering NV. The company was founded in 1930 and is headquartered in Zwijndrecht, Belgium. DEME Group NV is a subsidiary of Ackermans & Van Haaren NV.