Kajima Corporation

Kajima Corporation operates in civil engineering, building construction, real estate development, and architectural and civil design. It builds power stations, railways, roads, airports, seaports, water purification and wastewater treatment plants, steel works, and chemical production facilities. The company also conducts R&D in areas such as skyscrapers, nuclear power plants, long-span bridges, and deep underground tunnels. Founded in 1840 and headquartered in Tokyo, Japan, it additionally provides design, construction, and engineering services, and develops social infrastructure using technologies for zero-energy buildings, green infrastructure, soil and groundwater remediation, water and sewer treatment, final disposal sites, wind power, renewable energy, biomass utilization, and waste reduction.