Grand Traverse Plastics is a leading supplier of engineered plastic solutions

3Manufacturing Facilities
22Molding Machines
4xGM Supplier of the Year

Partners in Developing Complete Solutions

For over 35-years, Grand Traverse Plastics has focused on providing solutions to its customers, developing a reputation as a true value-added supplier. Whether seeking alternative materials, improved manufacturing processes, advanced tooling or fully-automated production, GTP’s customers rely on our unsurpassed quality and competitive pricing.

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Our Capabilities

Grand Traverse Plastics is a full-service provider of engineered plastic solutions for both production and prototype applications. We offer extensive engineering and component design, material expertise and sourcing, complete tooling management, injection molding presses from 250T – 1100T and extensive automation capabilities. Throughout our history, we have made a commitment to invest in our equipment and human capital to ensure that we deliver for our customers.

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Markets We Serve

GTP’s capabilities span applications and end markets, with one common theme, we excel at finding solutions for hard-to-mold, highly-engineered components.


Tier 1/Tier 2 supplier of functional engineered plastic components for powertrain, critical use/safety systems, fluid and electrical.

Material Handling

Tier 1 supplier of actuator and sorting assemblies for the material and package handling industry.

Commercial Vehicle

Heavy duty electrical connector bodies and related functional components.


Supporting OEMs in the HVAC, Fluid Handling, Marine and Military Supply Industries.