The fabrication process is entirely done in the province of Québec, and the company is well-known for its expertise in designing steel doors and frames.
Products that meet the strictest standards and are recertified to ensure durability and robustness.
From conception to delivery, we manage every step to simplify your projects.
Advanced technology integration for precise and rapid results.
STC Manufacturier produces a complete range of steel frames for various industries. All of our models are custom-made using high-quality raw materials and undergo rigorous quality control according to the industry’s highest standards.
STC Manufacturier is the leader in custom steel door manufacturing in Quebec. We meet the needs of architectural firms, major contractors, and large-scale construction companies. Our doors are manufactured according to the desired properties: fire-resistant, soundproof, double-action, lead-lined, or for correctional facilities.
We specialize in the fabrication of architectural steel elements for commercial, institutional, and industrial construction projects. Thanks to their flexible design and variety of finishes, our products blend seamlessly into all types of projects.
In addition to manufacturing custom steel doors and frames, STC Manufacturier designs other innovative, personalized products to meet specific requirements during the construction of various types of buildings. Our complementary products are manufactured according to our clients’ plans and specifications.
For over 30 years, STC Manufacturier has brought your projects to life with robust, precise, and customized metal solutions.
Our expertise and commitment to quality enable us to meet the demands of commercial, industrial, and institutional sectors throughout North America.

We are proud to announce the acquisition of Mirco‘s production facility in Longueuil.
What this means for you: