Manufacturing and installation


Pulp and paper


Recognized as a leading partner by players of the pulp and paper and forestry products industry, Les Structures GB ltée participated in the construction of major facilities. The company has extensive expertise in the construction of pulp and paper mills, paper machines, cogeneration plants and other processing buildings.


Oil and gas industry


We take part in the main petrochemical industry projects. If necessary, we apply fire retardant coatings in our facilities or on-site.


Leading expertise in the oil and gas industry – Fire retardant coating is applied in our facilities and on-site (fireproofing of steel framing).


Mines and metals


You’d be hard-pressed to find a major Canadian mining facility to which we have not contributed. The reputation of our expertise lies in our ability to adapt to the technical characteristics specific to each mandate. Moreover, we are active on all continents.


Steel structures


Les Structures GB ltée has a unique expertise as a result of the various and complex mandates it has carried out over the years. The team particularly excels at meeting the significant industrial challenges of building large-scale industrial projects in difficult environments.


Steel structures and wrought metals – Tanks – Commercial buildings – Multi-unit housing – Institutional – Hydroelectric

Other services offered

3D model and drawings


To maintain the lowest possible production costs and respect the agreed-upon deadlines, our equipment and real-time management tools are at the cutting-edge of technology.


•SDS/2 3D modeling software for steel structures
•Naviswork, software for sharing information (BIM)
•Digitally controlled machinery
•Powerful optimization software to maximize production
•Interconnection between the drawing software and the digitally controlled machinery (Industry 4.0).



The staff at Les Structures GB ltée will accompany you through all the design stages for the completion of your steel frame, pre-project budgeting, structural design and detailed engineering.


Our engineering department operates in compliance with best practices for all types of steel structures and is registered with several professional orders throughout Canada (Québec, New Brunswick, Ontario, Nova Scotia, Northwest Territories, Nunavut, Newfoundland and Labrador).

Project management


Our project managers can rely on powerful analysis tools. You are therefore guaranteed compliance with costs, pre-established delivery deadlines and the availability of accurate information on the progress of the work.


Our vertically integrated services allow us to react quickly and proceed with engineering changes in a remarkably efficient manner.

Les Structures GB ltée has numerous national and international certifications ensuring that its clientele benefits from the very highest standards of the industry.