Watanabe Sato Co., Ltd. engages in the contracting and investigation, planning, designing, supervision, technical guidance, and consultation of civil engineering construction activities. It also manufactures and sells construction materials. The company offers porous concrete and asphalt pavement, asphalt mixture, concrete pavement system, block system, resin pavement, chipping/surface treatment, top coat/coating film, sports pavement, heat shielding asphalt pavement, rainwater storage and retention penetration, disaster prevention/emergency maintenance measures construction method, freezing suppression asphalt pavement, snow melt pavements, high durability pavements, repair/maintenance products, and mixtures. In addition, it engages in the design, manufacture, leasing, and sale of construction equipment for construction work; industrial waste processing business; purchase, lease, brokerage, sale, and management of real estate properties; and others. The company was founded in 1923 and is headquartered in Tokyo, Japan.