AtkinsRealis (formerly SNC-Lavalin) is a Canadian-headquartered, globally integrated engineering services and nuclear company that designs, delivers and manages infrastructure and energy assets. Its services span consulting and advisory, environmental services, design and engineering, procurement, project and construction management, operations and maintenance, and decommissioning. The company owns CANDU nuclear reactor technology and operates a large Engineering Services business built around the Atkins and Faithful+Gould brands acquired in 2017. It traces its roots to organizations founded as far back as 1911 and works for public and private clients across transportation, water, buildings, defence, power and industrial markets.