ATCO Ltd., together with its subsidiaries, engages in the provision of energy, logistics and transportation, water, food and agriculture, real estate, and shelter services in Canada, Australia, and internationally. The company engages in the electricity and natural gas transmission and distribution, and international electricity operations; energy storage, electricity generation, industrial water solutions, and clean fuels; and electricity and natural gas retail sales, and whole-home solutions. It also offers workforce and residential housing, modular facilities, construction and site support, workforce lodging, facility operations and maintenance, defense operations, and disaster and emergency management services. In addition, the company provides commercial real estate services, including sale, lease, and development of office and industrial properties; process and markets fly ash; and generates electricity through hydro, solar, wind, and natural gas facilities. Further, the company provides ports and transportation logistics; natural gas liquids storage services; and provides integrated water services, including pipeline transportation, storage, water treatment, recycling, and disposal to various industrial customers. ATCO Ltd. was founded in 1947 and is headquartered in Calgary, Canada. ATCO Ltd. is a subsidiary of Sentgraf Enterprises Ltd.