Advancing thermoplastics parts production with technology.

For 40 years, Tri-Mack Plastics Manufacturing Corporation has been at the forefront of high-performance thermoplastics for critical applications. Engineering and quality focused, we continually advance our manufacturing knowledge to improve our customer’s products. We have specialized expertise in engineering high temperature thermoplastics, tight tolerance components and complex geometry. We offer a turnkey process, from part design and material selection through prototyping, tool making, manufacturing, assembly and delivery.


Tri-Mack Plastics is an engineering-driven manufacturer of high performance parts for critical applications in the Aerospace, Chemical Processing, Medical, Electronics, and Industrial Equipment markets.

We utilize our vertical capability (material expertise, concurrent engineering, tool making, injection molding, CNC machining, assembly) to maximize value added for both our customers and our organization.

We are committed to the ongoing improvement and growth of our company, products, and services.

We are committed to treating all customers, employees, and suppliers with respect, dignity, and integrity in an environment that fosters growth and success in attaining their objectives.

Tri-Mack Plastics is committed to its corporate responsibility by complying with all local and federal laws, and supporting the community in which we work.