Sumitomo Osaka Cement Co., Ltd. is a Japan-based company mainly engaged in the cement business. The Company has seven business segments. The Cement segment is engaged in the manufacture and sale of cement and ready-mixed concrete products, the sale of electric power, the processing of recycled raw fuel. The Mineral Products segment is engaged in the provision of limestone, dolomite and aggregate products. The Construction Material segment is engaged in the provision of concrete structure repair materials and admixtures. The Optoelectronics segment is engaged in the provision of optical communication components and optical measurement equipment. The New Materials segment is engaged in the provision of ceramic products, nanoparticle materials and functional paints. The Battery Materials segment is engaged in the provision of secondary battery cathode materials. The Other segment is engaged in the real estate leasing business, engineering business and software development business.