ATCO Ltd., together with its subsidiaries, engages in the energy, logistics and transportation, shelter, and real estate services in Canada, Australia, and internationally. The company engages in electricity and natural gas transmission and distribution, and international electricity operations; energy storage, electricity generation, storage and industrial water solutions, and clean fuels; and electricity and natural gas retail sales, and home maintenance solutions. It also offers residential and workforce housing, modular facilities, construction, site support, workforce lodging, facility operations and maintenance, defense operations, and disaster and emergency management services. In addition, the company provides commercial real estate business that holds investments for sale, lease, and development; recycling and marketing of ash; and generates electricity through hydro, solar, wind, and natural gas facilities; retail electricity and natural gas, home products, and home maintenance services; and retail food services under Blue Flame Kitchen brand name, as well as professional home advices. Further, the company provides ports and transportation logistics; natural gas liquids storage services; and 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.