More than
just another Plastic
injection molder.
At Four Process, your business is our business. That’s why we take a proactive and hands-on approach to serving customers. We think, plan and execute with energy – from mold making to the finished product – while addressing and solving your challenges so you have peace of mind throughout the lifecycle of your product.
This drive to be more than just another injection molder is found throughout our woman-owned, third-generation family, small business, from the shop floor to the offices. It’s fueled by four pillars, our 4Ps, on which our company and culture were founded more than 45 years ago:
Communication
The more the better to ensure that together, we are on the path to success.
Honesty
We do not just tell you what you want to hear, but more importantly, what you need to hear.
Value
We are dedicated to ensuring it’s a part of everything we do – products, services, insight
Reliability
We say what we mean and do what we say!
Our Mission
Everything we do at Four Process, from our products to our people, is driven by a culture of honesty, value and reliability to create and nurture open, long-term relationships with our team and customers.
Our Team
We are a team of problem solvers. Our highly motivated employees are well versed and cross-trained on all aspects of our manufacturing operations, which allows them to be proactive in delivering the solutions customer’s need. With a hands-on approach and our injection molding expertise, we are able to identify opportunities that can drive efficiencies and improve the customer’s final product.
We are always looking for energetic, motivated people to join our team. If you are interested in learning about our open positions, please click below to get in touch with us.
Our History
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Hubert Fox, U.S. Army Veteran, immigrant, entrepreneur, tool and die mold maker and engineer, founded Four Process Ltd. at its original location in South City, St Louis, Missouri.
The company began as a cast-to-size tooling foundry and machine shop. Hubert helped to develop unique mold technology for molds in the shoe, medical device and electronics industries.
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Son, Mark, and daughter, Barbara, join the business.
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Four Process moves to Fenton, Missouri. And spends 1983 retooling the new facility to adjust to domestic manufacturing needs with conventional injection molds.
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Warehouse and shop expansions; addition of assembly and sonic welding.
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Hubert Fox passes away; wife, Ursula, and son, Mark, take over the business.
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Additional injection mold machines added and upgraded.
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Hubert's grandson, Nick, and grandson-in-law, Brett Richardet, join business.
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Received ISO 9001:2015 Certification for manufacturing of close tolerance engineered plastic parts and assemblies.
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Moved operations to a 23,000 square-foot facility in Valley Park, Missouri to expand molding capabilities and add space for presses, quality lab, assembly and robotics automation.
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We are celebrating our 50th anniversary – a huge milestone we couldn’t achieve without our employees, customers and suppliers. We are grateful to everyone who has supported us and taken part in taking us from a cast-to-size tooling foundry and machine shop to a custom, precision plastic injection molder – and so much more.