Multiplex Manufacturing

About Multiplex Manufacturing in Ontario

Multiplex Manufacturing is a multi-million dollar full-service parts manufacturing company in Ontario serving Tier 1, 2 and 3 automotive suppliers, as well as aerospace, medical and oil and gas industries, with proven expertise in process engineering, lean manufacturing, engineered solutions, and other value-added services.

Our shop in St. Catharines, Ontario has diversified and expanded over the past 20 years to more than 45 machines operating in over 20,000+ sq. ft. in 2 commercial buildings sitting on 4 acres of land.

We've earned a well-deserved reputation for leadership, design, technical innovation, and production expertise with the equipment, people, and resources required to get the job done efficiently and cost effectively.

Our comprehensive 'full service' approach means you always get the optimal solution to every production challenge. Starting with a partnering on process planning with our clients, Multiplex Manufacturing looks at the total process for a part, not just the individual task.

We are deeply committed to providing quality products and services to all of our clients. We are certified to ISO 9001:2015. As part of that quality system, our parts are monitored and checked throughout the machining process, ensuring compliance to our client's specifications.

Multiplex Manufacturing has manufactured one-off prototypes and small production runs of a few parts right through to production runs of over 10,000,000 parts.

We consider ourselves a quality solutions provider, offering a full range of services including:

  • Prototype manufacturing
  • Assistance in infilling capacity shortages
  • On-going manufacture of service parts
  • Small and large quantity production runs
  • Rework

We can supply the part complete, which includes the plating and heat treatment, as well as other secondary operations, such as packaging and transportation logistics.

Why work with Multiplex? Find out more.

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