ATCO Ltd. is a diversified Canadian holding company headquartered in Calgary, Alberta, with operations spanning structures and logistics, utilities, energy, and retail energy services. Through its Structures & Logistics division, ATCO designs, manufactures and rents modular buildings, workforce housing and specialized structures for industrial, military and commercial clients. Its Utilities business encompasses electricity generation, transmission and distribution, as well as natural gas transmission and distribution networks that serve residential, commercial and industrial customers across multiple regions.
In its Energy division, ATCO develops and operates oil sands cold flow projects, power generation facilities and natural gas liquids pipelines, offering integrated solutions to the upstream and midstream sectors. The company’s Retail Energy arm supplies electricity and natural gas to customers in deregulated markets, providing tailored energy management services and renewable energy options. Through continuous investment in technology and infrastructure, ATCO aims to balance reliability with environmental stewardship in its energy offerings.
Founded in 1947 as Alberta Trailer Hire Ltd., the company rebranded to ATCO in the late 1960s and has since expanded internationally, with significant footprints in Canada and Australia. Its global operations also include service centres and project sites in the United States, Central Asia and Latin America, supporting industrial developments and emergency response initiatives. ATCO has grown both organically and through strategic acquisitions, maintaining a focus on long-term partnership with key customers in resource-intensive sectors.
Leadership at ATCO is anchored by President and Chief Executive Officer Nancy Southern, who oversees a board-driven governance structure emphasizing sustainability, innovation and community engagement. Under her direction, the company has continued to modernize its asset base and pursue opportunities in clean energy and digital infrastructure. ATCO’s management team brings expertise in engineering, finance and project execution, positioning the firm for ongoing growth in its core markets.
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