Given the question: The tug Jupiter was built in the Philadelphia shipyard of Neafie & Levy in 1902. She was built for the Standard Oil Company and christened Socony 14. From 1902 to 1939 she was in service in New York towing Standard Oil fuel ships and barges. In 1939 she was purchased by Independent Pier Company to work in Philadelphia. After World War II she was converted from a steam tug to diesel using the salvaged engine from a decommissioned Landing Ship Tank (LST). Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer is:
Mean Of Transportation