Topy Industries

Steel, Automotive Wheels & Construction Machinery Parts · Shinagawa, Tokyo

Topy Industries, founded in October 1921 and headquartered in Osaki, Shinagawa, Tokyo, combines steelmaking and rolling with the manufacture of finished metal products. Its steel business supplies sections, steel bars and slag products, including TACoil, which it describes as Japan's first compact coil of densely wound reinforcing bar.

The group also makes steel and aluminum wheels for passenger cars, other automotive parts and tire-wheel assemblies, and develops, designs and manufactures undercarriage parts such as tracks and track shoes for hydraulic excavators and bulldozers, with a supply network in North America, China and Indonesia. Listed on the TSE Prime and Nagoya Premier markets, it had consolidated sales of ¥297.8 billion for the year ended March 2026 and 5,290 consolidated employees.