S&W Corp. engages in the production and supply of marine engine components. It operates through the following business divisions: Diesel Engine Parts, Industrial Bolt, and Forging Parts. The Diesel Engine Parts business provides cam, camshaft, valve, seat ring, engine bolts, nuts, and other parts. The Industrial Bolt business includes petrochemical and construction plants, offshore projects, heavy industry, and power plant facilities. The Forging Parts business provides forged products for heavy equipment, industrial machinery, and the automobile industrial field. The company was founded in January 1990 and is headquartered in Busan, South Korea.