Watanabe Sato Co., Ltd. engages in the contracting and investigation, research, planning, designing, supervision, technical guidance, and consultation of civil engineering construction activities. It offers porous concrete and asphalt pavement systems, asphalt mixture, block systems, resin pavement, turf, vegetation blocks, sports courts, paving materials and construction methods, rainwater storage infiltration and runoff control methods, multi-natural bank protection methods, disaster prevention/emergency maintenance measures countermeasure construction methods, repair/maintenance methods, chipping/surface treatments, and top coat/coating films. The company also manufactures and sells construction materials. In addition, it engages in the design, manufacture, leasing, and sale of construction equipment for construction work; industrial waste processing business; and purchase, lease, brokerage, sale, and management of real estate properties. The company was founded in 1923 and is headquartered in Tokyo, Japan.