Twin Disc, Inc. designs, manufactures and sells marine and heavy duty off-highway power transmission equipment. It operates in two segments: Manufacturing and Distribution. The company's products include: marine transmissions, surface drives, propellers and boat management systems, as well as power-shift transmissions, hydraulic torque converters, power take-offs, industrial clutches, and controls systems. It sells its products to customers primarily in the pleasure craft, commercial and military marine markets, as well as in the energy and natural resources, government, and industrial markets. Twin Disc was founded in 1918 and is headquartered in Racine, WI.