Yamato Kogyo Co Ltd is a Japan-based company mainly engaged in the steel business. It operates through four segments. The Steel (Japan) segment manufactures and sells H-beams, channel steel, I-beams, steel sheet piles, checkered H-beams, shipbuilding steel, castings, ship canning products, and heavy machinery processed products. The Steel (Thailand) segment manufactures and sells H-beams, channel steel, I-beams, and steel sheet piles. The Steel (Indonesia) segment manufactures and sells H-beams, channel steel, and equal-leg angle steel. The Track Supplies segment processes and sells turnouts, expansion joints, non-gap electron beam welded (NEW) crossings, adhesive insulated rails, derailment prevention guards, tie plates, and bolts. The Company is also engaged in the manufacture and sale of counterweights, transportation, medical waste disposal, and real estate businesses.