Daido Signal Co Ltd is a Japan-based company mainly engaged in the manufacture and sale of railway signaling equipment and industrial equipment, and the provision of maintenance and repair service to these equipment, as well as installation work of railway signaling equipment, the manufacture and sale of metal surface treatment and mold, and leasing of real estate. The Company operates through three business segments. The Railway Signal-related Business segment is mainly engaged in the manufacture, sale and installation of railway signal security equipment. The Industrial Equipment-related Business segment is mainly engaged in the manufacture and sale of information and communication equipment, traffic signal equipment, railroad vehicle supplies, gas detectors, plastic molded products, metal surface treatments, and molds. The Real Estate-related Business segment mainly rents real estate.