KITZ Corporation engages in the manufacturing and selling of valves, other flow control devices, and related products in Japan and internationally. It operates through three segments: Valve Manufacturing, Brass Bar Manufacturing, and Other segments. The Valve Manufacturing segment manufactures and sells valves, fittings, water purifiers, and industrial filters that are used for the control of fluids. The Brass Bar Manufacturing segment offers brass bars and other fabricated brass products for machines, construction materials, and other applications. The Other segment operates a resort hotel in Suwa city, Nagano Prefecture. The company offers its products under the KITZ brand name. KITZ Corporation was founded in 1951 and is headquartered in Chiba, Japan.