IHI Corporation, (formerly Ishikawajima-Harima Heavy Industries Co., Ltd.), is a Japanese conglomerate based in Tokyo which traces its roots to 1853. It manufactures construction equipment, aircraft engines, rocket systems, energy systems, industrial machines, plants, ships, etc.... One of its subsidiaries is Shibaura, which manufactures agricultural tractors and turf equipment. Construction equipment includes mini excavators, crawler cranes, truck mounted concrete pumps, crawler carriers, skid-steer loaders and jib-climbing cranes for building construction.