Your Trusted Plastic Injection Molding Partner 

Delivering dependable, full-service injection molding from concept to consumer.

 

An Essential Manufacturing Partner to the World’s Best Brands 

With more than four decades of proven success, Sussex IM is a plastic injection molding company that combines advanced manufacturing, smart automation, and expert collaboration to bring your ideas to life. We offer end-to-end custom injection molding solutions – including pad printing, insert molding, and design for manufacturing – from our vertically integrated facilities in Wisconsin.

 

Diverse Plastic Injection Molding Experience Across Industries

We support a wide range of industries with tailored, high-performance solutions:

Let Us Be the Injection Molding Expert – So You Don’t Have to Be

 

More About Us

Precision Injection Molding

High-quality, efficient injection molding services built for durability and repeatability. 

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In-Mold Labeling Expert

Sussex IM delivers precise, durable in-mold labeling with custom automation and 30+ years of expertise for diverse applications.

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Material Selection Expertise

Our team supports smart plastic molding material selection based on performance and end-use needs.

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Two-Shot &
Multi-Shot Molding

We deliver advanced parts through two shot injection molding and multi-shot plastic injection molding.

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In-House Automation

Custom-built systems help streamline production and increase consistency.

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What Our Customers Have to Say

"With Sussex IM, I have an expert team behind me and that’s a value I cannot find just anywhere. The professionalism and expertise behind the company is important. I can bring new ideas to the team at Sussex and they’ll communicate the viable options. I trust their opinion.” 

"Sussex is our top supplier. Sussex exceeds everyone else because of their ease in doing business.  They’re eager to take care of us, their knowledge, and they even looked at how to protect us through this crisis."

"We work as a team and I hope they feel the same. I appreciate what Sussex does for us and continues to do for us. I catch up with them on a weekly basis so the relationship is strong. I have other relationships with another 15 suppliers and Sussex definitely stands out."

"Trustworthy, Reliable, Fair, Competitive. If things go wrong, it’s all in how they clean up their mess. I can count on them to come through in the end. That’s important in a business relationship to stand by your word.”

Let’s Talk About Your Next Project

Sussex IM is a dependable partner for custom plastic injection molding, automation, and full-service support – from early-stage development to final delivery.