Stevens Brothers Boat Builders and Designers company (Stevens Bros.), an American boat designer, began in the back yard of brothers Theodore (Thod, 1882–1933) and Robert (Roy, 1884–1953) Stevens. Their boatbuilding firm in Stockton, California operated from 1902 to 1987. Over the years the company became famous for its elegantly designed pleasure craft, including sailboats, speedboats, cruisers and private yachts. Stevens Bros. also built many vessels for the U.S. military, especially during World War II. The company's first vessel was the sloop Dorothy, in 1902.