Medical Defense Consumer 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. Learn More > 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. Learn More > 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. Learn More > 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. Learn More > 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. Read More Virtual Tour Updates Events All Events MD&M West – Anaheim, CA | February 6-8, 2024 Visit PTI in booth #2277 Informa Markets Engineering West (IME West), home to MD&M West, WestPack, ATX West, D&M West, and Plastec West, is the advanced manufacturing trade show that brings engineers, executives, and buyers … Read more > News All News Join Us for Device Talks! Tuesday, February 13, 2024 @ 4pm EST Molding Validation: Making it a Sprint, not a Marathon Injection molding process validation is often misunderstood and can prove to be a bottleneck in getting your device to … Read more > 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 … Read more > 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 … Read more >