Groupe Démex-Centrem has become an industry leader using innovative and creative methods to successfully meet the challenges of all our projects.
- Dany Tremblay, President Démex

Since 1992, the Canadian company Groupe Démex-Centrem stands out for its professional services in decommissioning, demolition, deconstruction, dismantling, management of hazardous materials (asbestos, lead, PCB, etc.), recycling and sale of used assets/equipment. With the creation of its sister company Centrem in 2006, the group enhanced its offering with the valuation of ferrous and non-ferrous metals, for a completely integrated solution. A pan-Canadian leader in its field, all of the group's activities are part of sustainable development, respectful of the environment, delivering LEED projects.


The Group’s management team brings together over 100 years of varied and complementary experience in the field of deconstruction, demolition, decontamination, recycling and upgrading of ferrous and non-ferrous metals.

State-of-the-art technology

Proud of its evolution, its achievements and its reputation in the field of demolition, the second generation, which has evolved within the company since its foundation, refined its expertise and introduced innovative working methods as well as the use of state-of-the-art equipment, takes over in 2015.

Good governance

The administrative and operational processes and procedures are updated with the objective of continuous improvement. New and modern integrated management systems are consequently put in place. With the support of the Board of Directors which includes external members, Groupe Démex-Centrem becomes a leaner, more efficient and more competitive organization for the benefit of its customers, shareholders and employees.

Services offered

We offer the following services:

  • decommissioning;
  • hazardous materials management (asbestos, lead, PCBs, alumina, SPL, carbon, etc.);
  • hazardous materials storage;
  • building stripping;
  • dismantling;
  • deconstruction;
  • demolition;
  • structural engineering;
  • recovery of used equipment, metals and demolition debris;
  • upgrading of metals;
  • recycling;
  • purchase and sale of ferrous and non-ferrous metals;
  • sale of used assets/equipments;
  • consulting services;
  • container rentals;
  • transport services.

At your service

Canadian leader in its areas of expertise, Démex-Centrem and our team of professionals will be happy to meet your needs. Challenge us to help you in all your demolition projects, the sale of your ferrous and non-ferrous metals and the disposal of your construction, renovation and demolition wastes. Our expertise will help you get started on the right foot, safely, while respecting your constraints and your deadlines. We know that dismantling and/or demolition is an important step in a construction project and that is why we have highly specialized equipment to meet any kind of challenge.

Demex Projects

Centrem Projects

Decon- struction and recycling

Being a company specialized in deconstruction and recycling is more than just bringing buildings and infrastructure to the ground; indeed, we help build the future and participate in the success of our customers. As a demolition and recycling entrepreneur, it is important for us to share our customers’ ambitions and make their success ours too, ensuring sustainable development for our future generations.