McNally is recognized as Canada’s leading Tunnel Contractor, with experience building tunnels with a wide range of tunneling methods, for end uses including utilities (water, sewer, steam, power transmission,) and transportation (subways, traffic pedestrians walkways).
In the 1980’s, McNally Tunneling Corporation was started for operations in the United States. Based in Cleveland, OH, McNally Tunneling has completed projects in Birmingham, Cleveland, Houston, Seattle, Chicago, Minneapolis and Columbus.
In addition to completing challenging tunnel construction projects throughout the company history, McNally has also undertaken manufacturing of precast concrete segmental liners.
1855 Barton Street East
ON L8H 2Y7
+ 1 (905) 549 6561