Koatsu Gas Kogyo Co., Ltd. engages in the production and sale of high-pressure gas, gas related equipment, adhesives and paints. It operates through the following segments: Gas, Chemical Products, and Others. The Gas segment covers the sale of dissolved acetylene, industrial gases, welding fusing related equipment, container, and rental of equipment. The Chemical Products segment deals with adhesives, paint and equipment rentals. The Others segment includes sale of Latent Semantic Indexing (LSI) card and peripherals and overseas sale of products. The company was founded on June 26, 1958 and is headquartered in Osaka, Japan.