Denyo Co., Ltd., together with its subsidiaries, engages in manufacturing and selling of engine-driven generators, welders, air compressors, and other special machinery in Japan, the United States, Asia, and internationally. The company offers single phase, three phase, and ultra-silence generators; gasoline and diesel welding machines; and box type, trailer type, after cooler type, and dry air type air compressors. It also manufactures, sells, services, leases, and rents industrial electrical machinery and parts. The company was formerly known as Japan Power Welding Machine Co., Ltd. and changed its name to Denyo Co., Ltd. in July 1966. Denyo Co., Ltd. was incorporated in 1948 and is headquartered in Chuo, Japan.