The reference in plastic injection part manufacturing in Quebec.

Since 1958

Plastiques Gagnon has been a leading reference in plastic injection molding in Quebec. We manufacture complex products and offer one of the industry’s most comprehensive ranges of services, from mold design through to rigorous quality control.

Our technical team masters every key stage, including mold design and the development of optimal resin formulations, supported by a structured customer experience process that ensures outstanding customer service.

 

Precision Plastic Injection Molding

With over 67 years of experience, we support our clients at every stage, from design to mass production. Our parts are integrated into essential systems exposed to extreme operating conditions.

Thanks to advanced processes such as overmolding, insert installation, welding, and assembly, we ensure durability, consistency, and reliability. We are a trusted industrial partner for large-scale productions, rigorously controlled.

Technical and Aesthetic Components for Recreational Vehicles

Plastiques Gagnon manufactures precision polymer components for manufacturers of land, marine, and winter recreational vehicles. Our parts are integrated into functional, structural, and visual systems where durability, mechanical performance, and appearance must remain flawless.

Explore our solutions

Plastic Injection Solutions for Precision Electronics

At Plastiques Gagnon, we design and manufacture molded electronic components with extreme precision. From micro-molding to complex overmolding, we guarantee absolute consistency—essential in an industry where even a single micron makes the difference.

Explore our solutions

Plastic Components for High-Performance Buildings

We produce molded parts for manufacturers specializing in electrical and piping systems, energy management, climate control, ventilation, connectivity, as well as the doors and windows industry. Our solutions support applications where reliability, dimensional stability, and installation efficiency are essential.

Explore our solutions

Mining Plastic Injection for Extreme Environments

We manufacture millions of injection-molded parts for mining sites around the world. Our components are used in critical applications where reliability, safety, and consistency allow no compromise.

Explore our solutions

From Micrometric Precision to Secure Industrial Production

Plastiques Gagnon develops molded components for military organizations, law enforcement agencies, private security companies, and civil protection services. Our products are designed for non-lethal applications, where technical mastery and operational safety are essential. They support both training programs and equipment used during field operations.

Explore our solutions

Molded Components for Modern Mobility Systems

We manufacture and develop injection-molded plastic parts for road vehicle manufacturers, electrification platforms, thermal systems, as well as internal modules and mechanical subassemblies.

Explore our solutions

Quality Assurance

Plastiques Gagnon operates a state-of-the-art quality control laboratory, ensuring the highest standards at every stage of production. Our processes are based on recognized methods and certifications such as PPAP, AIAG, APQP, MSA, AQI, and FMEA.

We conduct a systematic inspection of 100% of our tanks, including leak and pressure tests, to ensure optimal reliability, compliance, and performance for every product delivered.

ISO_9001-2015

Discover What Our Clients Say About Us

One of the places I enjoyed delivering to the most! … Dany… Antho! 👌 The people who welcome you at unloading… truly friendly folks!

Max

Michael is the cornerstone of our operations. Thanks to his meticulous planning and strong execution skills, our supply chain runs smoothly. His work enables us to consistently meet our production goals.

Lili Trottier

Excellent quality and reliability. Plastiques Gagnon always exceeds our expectations!

Joana Collet