Yamato Kogyo Co., Ltd. engages in the management and support of its group of companies that manufacture and distribute steel, railroad track components, and industrial materials. It operates through the following business segments: Steel (Japan), Steel (South Korea), Steel (Thailand), Railway Track Accessories, and Others. The Steel (Japan) segment produces and supplies H-steel, channel steel, I-Steel, steel sheet pile, striped H-steel, steel and can for shipbuilding, elevator guide rail, cast steel products, and heavy industrial machineries. The Steel (South Korea) segment offers steal bars. The Steel (Thailand) segment manufactures H-steel, I-steel, channel steel, and steel sheet pile products. The Railway Track Accessories segment processes and markets turnouts, elastic joints, new crossings, adhesive insulated rails, derailment prevention guards, tie plates, and bolts. The Others segment includes transportation, medical waste treatment, and real estate businesses. The company was founded on November 8, 1944 and is headquartered in Himeji, Japan.