Manitowoc Shipbuilding Company
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Manitowoc Shipbuilding Company, located in Manitowoc, Wisconsin, was a major shipbuilder for the Great Lakes. It was founded in 1902, and made mainly steel ferries and ore haulers. During World War II, it built submarines and self-propelled fuel barges called "YOs". Employment peaked during the military years at 7000. The shipyard closed in 1968.