Twin Disc, Incorporated was established in 1918 under the laws of the State of Wisconsin. The company designs, manufactures and sells marine and heavy off-road power transmission equipment. Products include: marine transmissions, azimuth transmissions, surface transmissions, propellers and marine management systems as well as power shift transmissions, hydraulic torque converters, power output devices, industrial clutches and control systems. The company sells its products to customers primarily in the yacht, commercial and military marine markets, as well as the energy and natural resources, government and industrial markets.