A leader of Industry

McNally International, a subsidiary of Weeks Marine, Inc., is a 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.

Certified in Quality, Health & Safety, and Environmental Standards

  • ISO 9001:2008 Quality Management Systems
  • ISO 14001:2004 Environmental Management Systems
  • OHSAS 18001:2007 Occupational Health & Safety Management Systems