Topy Industries, Limited engages in the steel, automotive, industrial machinery components, and other businesses in Japan. It provides section steel, such as H-section steel, channel steel, equal and unequal angle steel, unequal non-isopachous steel, flat steel, R-flat steel, bulb plate, ultra-thick wide flat, and deformed section steel products, including rims, super giant off-the-road rim wheels, track shoes, forklift mast materials, segment components, HSST rails, and Z-steel products, as well as deformed bar steel products and compact coil TACoil. The company also offers steel wheels, aluminum wheels, and construction machinery wheels for passenger cars, trucks, buses, and construction machinery; and undercarriage components, such as tracks, rollers, cutting edges for motor graders, and city pads, as well as shoes, links, pins, and bushes parts. In addition, it provides crawler robots and synthetic mica products. The company was founded in 1921 and is headquartered in Tokyo, Japan.