Business Description
Founded in 1898 and based in Tokyo, Kumagai Gumi is a long-established Japanese construction firm that works on a wide range of projects both at home and abroad, including tunnels, bridges, dams, railways, airports, and residential and commercial buildings. Beyond construction, the company produces asphalt, manufactures steel components for tunnel work, and provides building inspection and renovation services. It also offers software and design support, training, outsourcing, and insurance services to clients in the construction sector.
