 Many of the world's largest corporations locate their home offices in Manhattan or in nearby Westchester County.Manhattan contained over 500 million square feet (46.5 million m2) of office space in 2015, making it the largest office market in the United States, while Midtown Manhattan, with nearly 400 million square feet (37.2 million m2) in 2015, is the largest central business district in the world.The state also has a large manufacturing sector, which includes printing and publishing and the production of garments, furs, railroad rolling stock, and bus line vehicles.