Sumitomo Heavy Industries, Ltd. engages in the manufacture and sale of heavy equipment and industrial machineries. It operates through the following segments: Machinery Components, Precision Machinery, Construction Machinery, Industrial Machinery, Ships, Environmental Facilities and Plants, and Others. The Machinery Components segment manufactures power transmission and control equipment inverters. The Precision Machinery segment includes plastic injection molding machines, plasma coating systems, laser processing systems, cryogenic equipment, transfer molding press machines, precision forgings, and defense equipment. The Construction Machinery segment consists of hydraulic excavators, mobile cranes, and road machinery. The Industrial Machinery segment produces material handling systems, turbines, pumps, forging machines, logistics and handling systems, and cyclotrons. The Ships segment builds ships and vessels. The Environmental Facilities and Plants segment handles power generation, industrial wastewater treatment, water and sewage treatment, landfill leachate treatment systems, air pollution control, chemical process equipment plants, pressure vessels, mixing vessels, steel structures, and food processing equipment. The Others segment deals with real estate and software development businesses. The company was founded on November 20, 1888 and is headquartered in Tokyo, Japan.