Shinagawa Refra Co., Ltd. engages in the manufacture and sale of refractories. The company is headquartered in Chiyoda-Ku, Tokyo-To and currently employs 3,732 full-time employees. The firm operates through four segments. The Refractories segment mainly manufactures and sells shaped refractories, unshaped refractories, molded powder, quicklime, chemical products, and others. The Insulation Materials segment manufactures and sells refractory insulating bricks and ceramic fibers. The Advanced Materials segment manufactures and sells fine ceramics, inorganic coatings, and inorganic adhesives. The Engineering segment performs construction work for blast furnaces, converters, incinerators, and other facilities, as well as the design and construction of industrial furnaces. The firm also operates a real estate leasing business.