McNally International is a privately owned heavy construction company that specializes in tunnel and marine construction. McNally has been successfully completing projects since the company was formed in 1949 and has grown to be a Canadian leader in the tunnel and marine sectors. To learn more about our company, click on the link above.
Completing the Most Challenging of ProjectsNumerous projects throughout Canada and the United States bear the trademark of sound structural quality and workmanship. The completion of the Sheppard Subway Tunnel in Toronto, expansion of the York Durham Sewer system, construction of the Edmonton SLRT, and the Enwave Deep Water Cooling Intake are a testament to the dedication and hard work our people put behind every project. To learn more about the projects we have completed, click on the link above.

