Custom Solutions that
Drive Success


Your Single-Source Injection Molder

Our dedicated teams here at Sussex IM ensures that your project is managed from start to finish with the utmost care. As a single-source injection molder we will assist through every step of the product design cycle from design for manufacturing (DFM) to inventory management and delivery logistics. We are a hands-on team that enjoys new projects and working closely with our customers to provide high-quality injection molded parts with optimal manufacturability.

Sussex IM invests in technology, equipment, systems, and personnel to meet the unique needs of our diverse customer base. Each project involves new challenges and opportunities for our team to offer innovative solutions in each phase of the manufacturing process. As a single-source manufacturing partner Sussex IM offers in-house automation, engineering, quality, tool maintenance, post-molding value add and fulfillment services.

Optimize Your Injection Molding Project at Sussex IM

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Design for Manufacturing

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Material Selection

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Mold Design


Chat with a Sussex IM engineer today!

Single-source support through-out the injection molding process

We offer a full suite of Design for Manufacturing (DFM) services including material selection, mold design, part design, quality assurance, and automation.

With over 40 years of experience our works together to test, evaluate and modify your part design to achieve optimal manufacturability and function.

Engineering meeting


By designing and building our automation in-house, we have complete control, from what the equipment does to how it operates. When there is a new system to install, our in-house engineering team has the expertise to go beyond just developing it.

Assembly worker looking at molding


Valued-added part assembly is one aspect that sets Sussex IM apart. Part assembly performed in-line post-molding can provide time & cost savings. Sussex works to develop manual & automated assembly to provide finished goods vs finished parts.

Quality measuring machine

Quality Standards

Along with document control and personnel training, Sussex IM invests in technology to provide additional metrology services to our customers. Recent quality equipment upgrades include a new Hexagon 7-10-7 high-speed scanning CMM.

Forklift operator transporting products


Not only a molder, but a full-service partner. With our state-of-the-art Advanced Manufacturing Facility in Sussex, Wisconsin we offer 158,000 square feet of climate-controlled warehousing space.

Injection mold on workbench

Whether you’re looking to consolidate your supply chain, bring your plastic injection molding back to the United States, or want a new partner for molding custom plastic parts, at Sussex IM, we pride ourselves on providing seamless tool transfer services.

Request an RFQ or contact our sales team.