Spancrete Corp. engages in the manufacture and sale of concrete for roof, floor, and wall construction. It operates through the Spancrete and Real Estate segments. The Spancrete segment handles the manufacture and sale of Spancrete, a perforated concrete panel that is prestresses by PC steel wire, used in construction as a material for building floors, walls, and roofs. The Real Estate segment leases office buildings. The company was founded on March 23, 1963 and is headquartered in Tokyo, Japan.