Founded in 1903 as "Nordseewerke" – Emder Werft und Dock AG. Taken over by Rheinstahl AG in 1957 and renamed Rheinstahl Nordseewerke. In 1976 Rheinstahl AG was absorbed by Thyssen AG and the yard was renamed Thyssen Nordseewerke. In 2002, Thyssen merged with Krupp-Hoesch to form ThyssenKrupp and the yard was renamed Nordseewerke, later passing to ThyssenKrupp Marine Systems when the latter was founded in 2005. In 2010 the yard was divided in two with one part sold for manufacturing wind turbines and the remainder continuing with ship repair activities under the name Emder Werft and Dock.