Nasu Denki-Tekko Co., Ltd. manufactures and sells steel towers, steel structures, transportation system materials, overhead wire hardware products, and underground wire materials in Japan. It designs, manufactures, and sells structures related to various infrastructure facilities, high-voltage power transmission towers, power plants, substation steel structures and frames, and communication towers, as well as various materials for removing utility poles; and a range of overhead wire materials, including power and communication overhead wire hardware, insulators, resin covers, various wire materials, and information and communication antenna supports. The company also designs, manufactures, and sells road information boards, signs, noise barrier posts, toll gate materials, tunnel related materials, and materials for railways and other new transportation systems; and prefabricated steel pipe poles for electric power, prefabricated steel pipe poles for communications, and various poles for disaster prevention. In addition, it offers surface treatments, such as high corrosion resistance plating, hot-dip galvanization, low-gloss treatment, and various types of painting services; and hot-dip zinc aluminum alloy plating services. Further, the company carries out various construction works, such as communication tower equipment construction, underground line equipment construction, road equipment construction, deterioration diagnosis, and recycling business of galvanized products; and offers hydrogen storage alloy systems. The company serves electric power, telecommunication, construction, highway, and railway companies, as well as other government agencies and ministry of land, infrastructure, transport, tourism, internal affairs, communications, and defense. The company was founded in 1929 and is headquartered in Shinjuku-ku, Japan.