Construction and civil engineering companies of Canada

Canadian-based business providing management and consultancy services

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, .

thumb|250px|right|Stantec's head office in Edmonton thumb|250px|right|Stantec Consulting Michigan, Ann Arbor, Michigan|Ann Arbor thumb|Stantec office in Ontario Stantec is an international professional services company in the design and consulting industry. The company was founded in 1954, as D. R. Stanley Associates in Edmonton, Alberta, Canada. Stantec provides professional consulting services in planning, engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics for infrastructure and facilities projects.

general contracting organization in Canada and the United States

Engineering and management consultancy