AtkinsRéalis

AtkinsRéalis Group Inc., formerly known as SNC-Lavalin Group Inc., is a Canadian company based in Montreal that provides engineering, procurement, and construction (EPC) services to various industries, including mining and metallurgy, environment and water, infrastructure, and clean energy. AtkinsRéalis was the largest construction company, by revenue, in Canada, .

British company

Canadian engineer (1920–2016)