• Municipal Water Infrastructure (Major WWTP Upgrade Work)
  • Wind Solar Biomass Renewable Energies
  • Storage and Distribution Terminals
  • Commercial ICI/ Manufacturing / Light Industry

MARKET sectors we serve

  • Power Generation (Hydro, Nuclear, Fossil and Natural Gas)
  • Oil and Gas Infrastructure
  • Mining Infrastructure
  • Steel Production Infrastructure
  • Steel Processing and Distribution
  • Agriculture Infrastructure and Distribution


WE get the job done

Barclay's reputation is founded upon dependable performance for repeat customers. 


Our pledge is for the delivery of cost effective solutions regardless of project size. To maintain the same excellent value for each job. An industrial project's success depends upon the strength and means of the client's prime constructor. We have the company strength and ability to manage any of your needs and the depth of resources to be where you want us when you want us.

James W. Barclay assumed an active role in the community and that philosophy of giving back continues today.

Barclay Constructors was founded in 1953 by James S. Barclay Sr., a carpenter by trade and son of Scottish immigrants.  

Barclay is a well-established mid-sized industrial and infrastructure Civil and PEMB Construction Firm engaged throughout Ontario, Manitoba, Saskatchewan and Alberta.


past Projects



We do it once, and we do it right.

Years of dedicated service and extensive accomplishments for the Steel, Natural Gas Pipeline, Utility, Manufacturing and Wholesale Industries have developed our firm into one of the more versatile and dependable Constructors in Canada.


For all of your Industrial Building Needs, you can turn to Barclay. For over 65 years across Canada and into the United States, Barclay Constructors has been providing quality General Building Service for Heavy Industry. 

Finish on time, safely and on budget

launch with the right plan in place

meet project milestones

Ordinary people building extraordinary things