on december 10, 1904, the company was acquired by bethlehem steel and operated as part of their shipbuilding division. the name changed from harlan & hollingsworth to the harlan plant of bethlehem steel. the shipyard closed in 1926, although it was reopened for a time during the second world war and part of the shipyard was used by the dravo corporation until 1964. railcars were built on the site until 1940, and parts for railroad cars until 1944. most of the company's buildings have been demolished for new development, but the office building survives and was added to the national register of historic places in 1979.