Hideo Okada

IHI Construction Materials Co., Ltd. engages in the business of civil engineering and construction services. It operates through the following segments: Civil Engineering and Construction. The Civil Engineering segment provides leasing services under road tunneling elements and tunnel-boring machines. The Construction segment provides the design and construction of buildings such as self-run-type parking lots and soundproof walls. It also engages in the design, development, manufacture, and installation of prefabricated road floor slabs and tunnel maintenance services. The company was founded on December 2, 1974 and is headquartered in Tokyo, Japan.