Custom Injection Molding and Thermoforming

A tier 1 supplier of injection molded and thermoformed parts

At Plastic Designs, Inc., we provide complete, reliable solutions for every stage of the plastic manufacturing process. With decades of experience and advanced in-house equipment, we manage everything from concept and 3D design to tooling, injection molding, thermal injection molding, secondary operations, and final inspection. Our integrated process reduces lead times, controls costs, and ensures precision and consistency in every part we produce. Whether you need a custom prototype or a high-volume production run, we deliver durable, high-performance components using engineering-grade thermoplastics for industries including industrial equipment, automotive, consumer products, agriculture, and construction.

Capabilities

Our in-house capabilities span every step of the production process, from concept and design to tooling, molding, and final inspection, ensuring consistency, quality, and efficiency from start to finish.

Thermoforming

Thermoforming

Thermoforming provides an efficient way to shape large, complex plastic parts with precision and repeatability. We handle everything from material selection to tooling, ensuring a consistent finish and reliable performance.

Injection Molding

Injection Molding

Our injection molding capabilities deliver durable, high-quality parts for diverse industries. With modern presses and expert operators, we ensure tight tolerances, repeatability, and superior surface finishes on every run.
Thermoforming

Design & Engineering Support

PDI supports customers at every stage of product development. While many clients provide their own designs and rely on PDI for tooling and production, the company’s in-house engineering team also offers early-stage design support to ensure parts are optimized for manufacturability.

Core Industries Served

From Idea to Precision Product — The PDI Way

Every project at PDI begins with collaboration and ends with confidence. With decades of expertise in design, tooling, and production, we deliver high-performance parts that meet exacting standards — every time. From your first concept sketch to final inspection, quality drives everything we do.

Design & Collaboration

Every great part begins with an idea. Our engineers partner with you early to refine designs for thermoforming or injection molding — ensuring precision and manufacturability from day one.

Tooling & Development

With in-house and partner tooling capabilities, we create molds built to perform. Every tool is developed with efficiency, accuracy, and repeatability in mind.

Production Excellence
Whether thermoforming or injection molding, our modern equipment and skilled operators deliver consistent, high-quality parts, made right here in the USA.
Quality Assurance
Quality isn’t a final step, it’s built into every phase. From design validation to final inspection, each part is measured, tested, and approved before it leaves our floor. Recognized by Mitsubishi as a “Zero Defect Supplier,” we take pride in delivering defect-free parts on time, every time.

Trusted by leading OEMs across North America because precision is our promise.