PTI Engineered Plastics is a plastic injection molding company that can take you from concept through production. Our 160,000 sq. ft. facility in Macomb, MI is home to some of the most advanced tooling and manufacturing systems in the industry. PTI is a diverse company servicing the medical, automotive, defense, aerospace, electronics and consumer products industries. PTI offers design, engineering, in-house tooling, validation, and low and high volume production with a specialty in complex injection molded components. In our ISO Class 8 Cleanroom, we have the ability to perform injection molding, assembly, secondary operations and packaging. Also available to our customers are the full resources of our partner, PTI Design. Some other value-added services include part decorating, product assembly, insert and over-molding, laser marking, product assembly and a variety of managed services.