ASAHI KOGYOSHA CO., LTD. engages in the design, supervision, and construction of air-conditioning and sanitation systems. It operates through the following segments: Installation Work, and Manufacture and Sale of Equipment. The Installation Work segment deals with the design and installation work of air-conditioning and sanitation systems. The Manufacture and Sale of Equipment segment manufactures and sells precision environmental control equipment for manufacturers of semiconductors and liquid crystal panels. The company was founded on April 3, 1925 and is headquartered in Tokyo, Japan.