IHI Corp. engages in the design, manufacture, sale, installation, repair, overhaul, and maintenance of heavy machinery. The company is headquartered in Koto-Ku, Tokyo-To and currently employs 27,990 full-time employees. The firm operates in four business segments. Resource & Energy & Environment segment provides land-use prime mover plants, marine engines and other prime movers, carbon solutions, and nuclear power equipment. Social Infrastructure segment provides bridges and sluices, transportation systems, shield systems, concrete construction materials, and urban development. Industrial System & General-Purpose Machinery segment provides vehicle turbochargers, parking, rotating machinery, heat and surface treatment, material handling equipment, and logistics and industrial systems machinery. Aerospace & Space & Defense segment provides aero engines, rocket systems and space applications, and defense equipment systems. The firm also provides services for equipment and devices for communications, electronics, electrical measurement.
