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We are an Essential Supplier to the World’s Best Brands

Lean on Sussex IM to be your plastic injection molding experts – focused on delivering high-quality plastic parts that arrive on time and exceed your expectations. Since 1977, Sussex IM is a proven, long-standing leader in mid to high-volume (100,000+) custom molding. We provide value to our customers through Design-for-Manufacturing and ISO certified capabilities for production molding with integrated value-added operations.

Your Single-Source Custom Injection Molder

Find the Services that Fit Your Application


Diverse Injection Molding Experience Across Many Industries

With over 40 years of experience Sussex IM is a reliable injection molding supplier across various markets. Specializing in highly complex parts and utilizing both automation and post-molding applications, we offer knowledge and expertise in multiple industries. These industries include: consumer products, agriscience/garden, medical/pharma, residential durable and industrial.

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

At Sussex IM we offer our customers a wide range of services and molding applications that decrease costs and increase quality. Our diverse industry portfolio provides us with a unique ability to utilize molding techniques and applications across industries to best meet our customer’s needs. These services include multi-shot molding, IML/IMD, over molding, insert molding, and decoration. 

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Injection Molding

Sussex IM runs over 65 injection molding machines – ranging from 25 to 725 tons and specializes in mid to high-volume production runs.

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In-molding labeling and In-mold decorating are an integrated part decorating technique wherein a decorative film, label or pre-form is placed into the mold prior to mold close and injection.

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Multi-Shot Molding

Sussex IM is versed and experienced in the different tooling technologies associated with multi-shot molding.

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Given our experience in the Cosmetics market, we have the ability to decorate on a variety of substrates.

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Insert Molding

Be it threaded or metal inserts, electrical contacts, RFID, fabric or injection molded forms, insert molding is a critical manufacturing technique.

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Over Molding

We actively use a variety of techniques and part-design and tool-design styles to attain multi-color or multi-material offerings to our partners.

What Our Customers Have to Say!