Mitani Sekisan. 

Mitani Sekisan Co., Ltd. produces and sells concrete products in Japan. The company offers prestressed concrete, PRC, and SC piles, as well as triple plate joints; construction management equipment; coupling pile and F.T. pile construction products; prestressed concrete poles, high, and thin diameter poles; and 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 VS lateral grooves, L type retaining walls, block holding walls, box culverts, flumes, and H-form PC piles, as well as rents office buildings. In addition, the company engages in the hotel, environmental hygiene, and information related businesses. Mitani Sekisan Co., Ltd. was founded in 1946 and is headquartered in Fukui, Japan.