Sumitomo Osaka Cement Co., Ltd. engages in the management and sale of cement business. It operates through the following business segments: Cement, Mineral Resources, Cement-related Products, Optoelectronics, Advanced Materials, and Others. The Cement segment manufactures and sells cement and ready-mixed concrete. It also provides electric power in cement factory. The Mineral Resources segment offers limestone products. The Cement-related Products Material segment deals with manufacture and sale of maintenance and repair materials for concrete buildings and secondary concrete products. The Optoelectronics segment involves in the manufacture and sale of optical components. The Advanced Materials segment offers ceramic products, filters for plasma display panels, and nanoparticle materials. The Others segment handles real estate property leasing, engineering, software development, and secondary battery material businesses. The company was founded on November 29, 1907 and is headquartered in Tokyo, Japan.