(231) 267-5221 5780 Moore Road Williamsburg, MI 49690
Certified
IATF:16949:2016
Quality
0 PPM
Delivery
100% Ontime

Precision Injection Molding Utilizing Scientific Molding principles, GTP produces tight-tolerance functional components Learn More blank 4x GM Supplier of the Year Plus 8x Quality Excellence Award winner blank Zero Parts Per Billion Learn More

Injection Molding

22 Horizontal Presses

Manufacturing

3 Molding Facilities

Automation

In-House Automation & Tooling

Market Sectors

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Supplier of functional engineered plastic components for powertrain, critical use/safety systems, fluid and electrical.

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

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Supporting OEMs in the HVAC, fluid handling, marine and military supply Industries.

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22
Jun

GTP Welcomes Erik Lake as Automation Manager

Grand Traverse Plastics is pleased to announce the hiring of Erik Lake.      Erik will serve as GTP’s Automation Manager in which he brings over 15 years of automation and robotics experience in custom automation cells, programming and integration.     “We are pleased to have Erik join our in-house automation team and his expertise to further...
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18
Jun

GTP Receives 8th Supplier Quality Excellence Award from General Motors

Grand Traverse Plastics is proud to have received our 8th Quality Excellence Award from General Motors. The award recognizes suppliers for meeting 13 challenging criteria including efficient manufacturing practices, positive customer satisfaction, dependable delivery times and most importantly zero defects. GTP is truly honored to have been recognized as one of GM’s quality suppliers. It...
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01
Jun

Plastics Veteran Matt Trisch Joins GTP

WILLIAMSBURG, MI, June 1, 2020 – Grand Traverse Plastics Corporation is pleased to announce the addition of Matt Trisch to the GTP team as Director of Product Development.    Mr. Trisch graduated from Ferris State University with a degree in Plastics Engineering Technology and has over 25 years in injection molding engineering most recently serving as...
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11
May

Colton Lowe Joins GTP

Grand Traverse Plastics is pleased to announce the hiring of Colton Lowe.  Lowe previously spent 7 years at RJG, Inc. specializing in injection molding process control and cavity pressure monitoring.  He joins the GTP engineering team focusing on mold design including gating strategies, conformal cooling, runner optimization and mold flow analysis.
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Career & Jobs

Working at GTP means being able to commit resolutely to one thing and growing from it. As an individual and as a whole – in a family enterprise that creates fascinating products around the world. Once you experience it, you’ll want to stay.

Lights-Out Manufacturing

Coming Soon

182Days
10Hours
14Mins
56Secs