Kurogane Kosakusho Ltd. engages in the manufacture and sale of furniture for office, facilities, and home usage. It operates through the Furniture-related and Building Accessory Equipment segments. The Furniture-related segment provides fixtures such as office desks, chairs, counter tables, file cabinets, lockers, and vaults. The Building Accessory Equipment segment offers clean-room equipment, air conditioning units, air diffusers, and construction-related equipment. The company was founded in March 1927 and is headquartered in Osaka, Japan.