Check Out Our Tool Transfer Program
Check Out Our Tool Transfer Program

PTI Engineered Plastics, Inc.

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PTI Engineered Plastics, Inc.

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PTI Engineered Plastics, Inc.

Quality Custom Parts
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Functional prototype parts in as little as 5 days.

Quality Custom Parts Made Fast.

Raising the Standards for
Plastic Injection Molded Parts.

Mold Design, Additive Manufacturing
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Advanced technology drives our tooling.

Mold Design, Additive Manufacturing.

When You Build Quality Tools,
You Manufacture Quality Parts.

Plastic joining, pad printing, laser marking
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Plastic joining, pad printing, laser marking.

Secondary Operations and Assemblies.

At PTI, Precision Comes Standard
In Every Part We Make.

Quality Plastic Parts For Medical, Automotive, and Defense
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Injection molding industry technology integration.

Certified to all Industry Standards.

Quality Plastic Parts For Medical,
Electronics, and Defense.

Quality Custom Parts

Raising the Standards for Plastic Injection Molded Parts.

Quality Custom Parts Made Fast.

Functional prototype parts in as little as 5 days.
Learn More >
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Medical Defense Consumer
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Plastic Injection Molding

Plastic injection molding is at the core of what we do at PTI Engineered Plastics. From a single functional prototype injection molding to low- and high-volume production and contract manufacturing, you can count on PTI to provide unsurpassed quality parts to meet your needs.
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Industrial Design

At PTI Design, our industrial design team can create specialized product concepts that are fully manufacturable and obtainable. Their close relationship with our engineers and tooling experts, eliminates the common trial and error found in many plastic injection molding companies.
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In-House Tooling

A quality part starts with a quality tool. Our tool makers are craftsman, with an eye for detail and exactness. With more than 30 years of mold building experience, using cutting edge technologies, we can cut lead times and deliver the part you envisioned without compromise.
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Prototyping

At PTI, the same prototype injection molding tool that provides your prototype for testing and design verification can be used for the initial production run. In some low-volume scenarios, the one tool is used for the entire production run.
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Your Plastic Injection Molding Specialist

About Us

PTI Engineered Plastics is a leading American injection molder and manufacturer of plastic components and assemblies.

As a diverse plastic injection molding company, PTI services the medical, defense/aerospace, and commercial/consumer products industries.
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Virtual Tour

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Updates

Events

MD&M West – Anaheim, CA | February 6-8, 2024
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News

PTI Engineered Plastics has been awarded the “Top Workplace of the Year” for 2023 by the Detroit Free Press.

Macomb, Michigan – November 20, 2023 – PTI Engineered Plastics has been awarded a Top Workplaces 2023 honor by The Detroit Free Press. The list is based solely on employee feedback gathered through a third-party …

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The Keys to a Successful Tool Transfer

Sometimes the best-laid plans are unattainable. When this happens during production, the results can be devastating. Time, money, and effort may seem wasted — which is no small loss during a product launch or ongoing …

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PTI Car Show 2023

PTI’s 4th annual Car Show was a success! Thanks to all for coming out and enjoying the cars, the people, the food, the games and the prizes. Until next year… Want to See Just Cars?!

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