ATCO Ltd. engages in the structures and logistics, utilities and ports & transportation logistics business. It operates through the following segments: Structures & Logistics, Electricity, Pipelines & Liquids, Neltume Ports and Corporate & Other. The Structures & Logistics segment provides workforce housing, innovative modular facilities, construction, site support services, and logistics and operations management. The Electricity segment includes ATCO Structures & Logistics. This company offers workforce housing, modular facilities, site support services and logistics and operations management. The Pipelines & Liquids segment includes ATCO Gas, ATCO Pipelines, ATCO Gas Australia, and ATCO Energy Solutions. These businesses provide integrated natural gas transmission, distribution and storage, industrial water solutions and related infrastructure development throughout Alberta, the Lloydminster area of Saskatchewan, Western Australia and Mexico. The Corporate & Other segment includes commercial real estate owned by the company in Alberta and ATCO Energy, a retail electricity and natural gas business in Alberta. The Neltume Ports segment includes the equity interest in Neltume Ports S.A., a port operator and developer in South America. The company was founded by S. D. Southern and Ronald D. Southern on February 14, 1947 and is headquartered in Calgary, Canada.