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Posted by: GT Plastics 4 hours, 43 minutes ago

FOR IMMEDIATE RELEASE

GTP Wins Sixth General Motors Supplier of the Year Award

WILLIAMSBURG, MI — May 22, 2026 — Grand Traverse Plastics Corp. (GTP), a premier leader in technical injection molding, has been named a 2025 General Motors Supplier of the Year. This prestigious accolade marks the sixth time GTP has received the Supplier of the Year distinction.

Central to this achievement is a deep culture of Collaboration. Under the leadership of CEO Bill Knable, who took the helm three years ago, GTP has secured back-to-back Supplier of the Year awards for two of those three years. This consecutive streak underscores a period of intensified engineering intimacy with GM’s technical teams, working hand-in-hand to validate complex architectures, streamline product launches, and de-risk global supply chains through Tier N resiliency, our local-for-local commitment.

GTP Named GM Supplier of the Year for 6th Time

^{Shown Left to Right: Peter Layer, GM Exec Dir, ICE & EV Propulsion Purchasing; Bill Knable, GTP CEO; Sam Tomlinson, GTP Dir Engineering; Joe Robinson, GTP Dir Sales & Program Management}

"Winning this award for the sixth time—and achieving back-to-back recognition during my three years with the company—is a true testament to the power of alignment and mutual trust," said Bill Knable, CEO of Grand Traverse Plastics. "GM’s theme of 'Amplify' perfectly mirrors our own mission at GTP. By combining our 46 years of manufacturing heritage with an aggressive focus on technical intimacy and joint problem-solving, we are able to amplify our impact on the future of mobility. This honor belongs to our entire Williamsburg team, whose relentless dedication to zero-defect execution makes true collaboration with a world-class OEM like General Motors possible."

GM’s 34^th annual Supplier of the Year and Overdrive awards recognized 103 suppliers spanning 14 countries. These suppliers, representing the top 0.1 percentile, delivered outstanding performance, partnership and innovation in support of GM’s global operations. Awardees were selected by a global GM team based on performance across key categories such as safety, innovation, execution, resilience and customer support, along with their alignment to GM’s core values and strategic priorities.

“Supplier of the Year is one of those key moments our whole team looks forward to every year because it highlights the partnerships behind every vehicle we build. The results our suppliers deliver throughout the entire product development cycle are central to our ability to deliver world-class vehicles to our customers. When our suppliers, such as GTP, lean in with us on new technology and flawless execution, we can move faster, compete harder and unlock more value across the entire supply chain.” — Shilpan Amin, Senior Vice President, Global Chief Procurement and Supply Chain Officer, General Motors

As a multi-year recipient, GTP continues to position its Northern Michigan infrastructure as a low-risk, high-capability anchor for the domestic automotive supply chain, ensuring unparalleled operational stability and engineering validation for decades to come.

About Grand Traverse Plastics Corp.

Founded in 1980, GTP is an advanced injection molding and engineering company based in Williamsburg, Michigan. Specializing in high-tonnage production, advanced material science, and supply chain resiliency, GTP serves as an Advanced Systems Partner to the world’s leading automotive original equipment manufacturers (OEMs) and Tier 1 integrators. Learn more about GTP by visiting www.gtpplastics.com.

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WHY GTP

Technical Expertise and Innovation

GTP is renowned for its profound expertise in materials, manufacturing, and automation. With a deep understanding of materials suitable for demanding environments, we excel in implementing efficient, high-quality manufacturing processes. Our culture of innovation drives proactive problem-solving, continuous learning, adoption of new technologies, and robust collaboration, ensuring we remain at the forefront of our field.

Cost-Competitiveness and Continuous Improvement

Tier 1 and OEM companies operate in a competitive environment. GTP offers competitive pricing without compromising on quality. GTP is a proactive partner in suggesting alternative materials (even developing new materials), designs, or manufacturing processes that can help customers continuously improve their overall costs while maintaining performance. Tier 1 and OEM companies navigate a fiercely competitive landscape. At GTP, we provide competitive pricing and continuous improvement without sacrificing quality. We're not afraid of a challenge and actively collaborate with our partners, offering proactive suggestions on innovative designs, alternative materials, and even develop new materials.

Strong Supply Chain Management

GTP stands as a dependable supplier with a robust supply chain, ensuring uninterrupted access to raw materials and averting production disruptions. Our longstanding relationships with suppliers, spanning over two decades, reflect our commitment to reliability. We take pride in being their preferred customer, maintaining mutually beneficial partnerships built on trust and excellence.

Sustainability Practices

GTP recognizes that true prosperity goes together with environmental responsibility. Our commitment to sustainability goes beyond simply admiring the beauty around us. We actively integrate sustainable practices throughout our operations, from minimizing waste and conserving resources to implementing recycling and reuse programs.

Effective Communication and Collaboration

GTP knows that maintaining open communication channels with engineers, buyers, and management is essential. This includes timely updates on production schedules, potential issues, and any changes to materials or processes. GTP prides itself on timely responsiveness to customer inquiries and provides excellent customer service to build strong, long-term relationships.

With these qualities, GTP is a company that is not just a supplier but a valuable partner to Tier 1 and OEMs in the automotive and industrial industries.