Metso USA Inc. is a manufacturer of industrial equipment and machinery. The company's products include crushers, screens, feeders, and valves, among others, and are used in a variety of industries, including mining, construction, and energy. Metso USA Inc. is a subsidiary of Metso Corporation, a Finnish company that was founded in 1999 through the merger of Valmet and Rauma. Metso USA Inc. is headquartered in Waukesha, Wisconsin.