Geostr Corporation

GEOSTR Corporation manufactures and sells precast concrete products for civil engineering in Japan. Its lineup includes shield and mountain tunnels, box and arch culverts, earthquake-resistant culverts, bridges, earth retaining walls, precast piers, concrete slabs, seawalls, guard fences, tunnel linings, precast RC pavements, and precast concrete panels. These products are used in roads, railroads, water and sewage systems, rivers and waterways, electricity, gas and utility tunnels, reservoirs, dams, ports, airports, and defense projects. The company was formerly known as Nippon Concrete Industries Co., Ltd. and changed its name to GEOSTR Corporation in July 1994; it was founded in 1958 and is based in Tokyo, Japan.