Onoken Co., Ltd. engages in the sale, fabrication, and import/export of steel in Japan. It offers steel plates, checker plates, expanded metals, hot rolled steel coils, and wire rods; and steel in various shapes, such as H-beams, angles, channels, flat bars, steel pipes, and column steels, as well as deformed steel bars. The company also sells construction materials, which include outside walls, sashes, roofs, fences, versatile steel boards, tiles, and slates, as well as ironware products. It serves the fabrication, shipbuilding, construction, equipment manufacturing, and coil center secondary product manufacturing markets. The company was formerly known as Ono Kenzai Co., Ltd. and changed its name to Onoken Co., Ltd. in February 1957. Onoken Co., Ltd. was founded in 1925 and is headquartered in Kitakyushu, Japan.