516, Route 172, Saint-Nazaire (Quebec), Canada, G0W 2V0
Phone : 418 668-3371  –  E-mail : info@proco.ca

About us

Key player in engineering advances

The company has been building its reputation of excellence in the design, manufacturing, and installation of metal cladding and structures for more than half a century. Its unmatched know-how and will to improve performance as well as health and safety have made Proco a key player in the most complex projects.

A colossal production capacity

What allows us to take part in complex and colossal projects is our production capacity. We can also count on a network of manufacturers, which allows us to adapt quickly to produce thousands of additional tonnes when necessary. Our head office in Saint-Nazaire in the Lac-Saint-Jean region is also the site of a metal processing plant that spans more than 80 000 ft².(STRUCTURES CPI INC.) At our La Baie division in the Saguenay region, our facilities cover more than 100 000 ft² for a total production area of more than 180 000 ft². (PROCO FABRICATIONS)

The advantage of working with a single supplier

Estimate, management, design, drafting, manufacturing, paint, delivery, and installation; Proco offers world-class quality know-how and can contribute to all stages of structural steel construction projects. This gives us the edge over the competition: projects are facilitated, costs are reduced, and setbacks are avoided.

Health and safety: a priority

Each year, we perform better than the national average with respect to health and safety at work.

We are committed to the protection of our employees’ health and safety at our plants as well as on our construction sites. We never compromise when it comes to health and safety. Our health and safety department is involved in all decision-making processes and works hard to develop and implement better practices adapted to each situation.

We improve security through our ingenuity

Reducing work at heights, designing components with integrated fall arrest systems; all measures are taken in order to reduce risk and make our plants and sites safer.

Work with us

Our quality commitment

We constantly improve our quality standards. Our certifications in quality management are our way to offer our clients products and installations of the highest quality and in compliance with the industry’s strictest requirements.


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Our certifications

ISO 9001: 2015 

Steel Structures – CISC (Canadian Institute of Steel Construction)

AISC (American Institute of Steel Construction): 
Standard for Steel Building Structures
Certified Bridge Fabrication – Intermediate (Major) 
Fracture Critical Endorsement 
Sophisticated Paint – Enclosed 

CSA W47.1 Division 1 

CSA W47.2 Division 2