Mitani Sekisan Co., Ltd., together with its subsidiaries, produces and sells concrete products in Japan. It operates through three segments: Concrete Secondary Products-Related Business; Information-Related Business; and Others. The company offers pile products, including prestressed concrete, PRC, and SC piles, as well as construction management equipment and system, triple plate joints, and coupling and F.T. pile construction products; prestressed concrete poles and diameter poles; and waterwork materials, such as shake and surf blocks, surf flats and steps, surf flats L types, and tine block S types. It also provides gravel and stones for civil engineering construction, railway tracking and pavement roadbed materials, raw concrete, various concrete secondary products, aggregate of asphalt composite material, and construction materials; solar/pile systems; and environmental products comprising VS lateral grooves, L type retaining walls, block holding walls, box culverts, flumes, and H-form PC piles. In addition, the company is involved in hotel operation; office building rental; information-related solutions; and environmental hygiene businesses. Mitani Sekisan Co., Ltd. was incorporated in 1946 and is headquartered in Fukui, Japan.