Nishimatsu Construction Co Ltd is a Japanese construction and real estate business. The company operates through three segments: civil engineering, building construction, real estate, and others. Together, the civil engineering and building construction segments generate the vast majority of consolidated revenue, and design and construct harbours, airports, highways, dams, tunnels, railways, high-rise buildings, and power plants. The company principally operates in Japan and across Asia, and derives the majority of revenue domestically.