We are born with the desire to offer our clients unique solutions for all their needs, from the conception of an idea to the completion of their projects. We proudly unite five companies: Metallurgy Castech, Plessitech, M.E.W., Metal Coleraine and Plessitech Express. Our group is unique in that its organization is vertically integrated. The company offers design, engineering, parts casting, machining, assembly, painting, transport, installation and a 24/7 technical service.

Castech Plessitech Group always acts as a subcontractor but we are also a real development partner in the manufacturing of more complex parts as well as for the optimization of products from a mechanical and metallurgical point of view. The performance and expertise of the products offered to our customers are our great strengths wich distinguish us in the global market in the mining, aluminum, pulp and paper, energy and industrial sectors.

Our company places a particular emphasis on the conformity of its products in order to develop and maintain a relationship of trust with all of our clients. Our goal is not only to offer you parts that meet your most stringent requirements at competitive prices but also to ensure fast delivery times.

Our mission

 To turn ideas into global success


Our values


If our customers have had confidence in our Group for close to 100 years, it’s due to our ongoing commitment and desire to innovate that reflects our passion for a job well done and our will to be with you throughout all stages of your project.


Our goal is to be beside you all the way by offering custom solutions that are flexible and reliable. It’s very important for us to adapt and react positively in order to anticipate your needs in all your projects.


The proximity with our customers as well as the complete control of our manufacturing processes is the main reason that the quality of our services is linked to our comprehension of your needs.


We have a devoted team, loyal and accessible, to guide each customer on all aspects of their project. In the field or in our fabrication shop, you will find the same passion within the teams of the Group.


  • A real development partner.
  • A vertically integrated company.
  • Present everywhere in the Americas, but also in Asia, Europe, Africa and Oceania.
  • A dynamic young but experienced team


  • Over 220 employees who care about the quality of your products.
  • An efficient and personalized service - 24/7.
  • Quick production and delivery.
  • 5 divisions.
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