Hiolle Industries engages in the provision of environmental and industrial services. It operates through the Railway and Aeronautics and Industrial Services and Environment segments. The Industrial Services and Environment segment offers traditional industrial services; transcontinental industrial transfers of turnkey factories; design, manufacturing, installation, and maintenance of waste treatment equipment; and engineering services in the field of water treatment. The Railway and Aeronautics segment includes maintenance, after-sale, and cabling services for contractors. The company was founded by Jean-Michel Hiolle in 1976 and is headquartered in Prouvy, France.