KITZ Corporation engages in the manufacturing and selling of valves, other flow control devices, and related products in Japan and internationally. The company operates through Valve Business, Copper Products Business, and other segments. The Valve Business segment manufactures and sells bronze valves, steel valves, other valve-related products, filtration-related products, and their accessories. The Copper Products Business manufactures and sells copper rolled products and processed copper products. The Other segment operates a resort hotel in Suwa city, Nagano Prefecture. It offers its products under the KITZ brand name. KITZ Corporation was incorporated in 1944 and is headquartered in Minato, Japan.