Grant Manufacturing LLC

Commitment to Sustainability and Excellence

For over 70 years, Grant Manufacturing has been built on a foundation of precision, partnership, and progress. Since our founding in 1953, we have earned our reputation by delivering excellence and earning trust—one project at a time.

Today, we are proud to be an industry leader in CNC machining, serving sectors from aerospace to automotive with micron-level precision. Thanks to the loyalty of our customers—many of whom have become lifelong partners—we continue to set new standards for quality and innovation.

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Full-Service Machining Solutions

At Grant Manufacturing Services (OMS), we do more than supply high-quality machined metal components—we become an integral part of your manufacturing process. Our vertically integrated, turnkey manufacturing services include extensive in-house secondary and tertiary processing capabilities.

Equipped with fully automated machining centers and cutting-edge technologies, our facilities offer significant capacity, redundancy, and reliability. Through Value-Analysis/Value-Engineering (VA/VE) collaboration, we help optimize new and existing product designs, reducing costs, improving manufacturability, and ensuring on-time delivery.

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Driving Innovation, Preserving Legacy

For the past 25 years, we have honored our legacy by transforming trust into a global reputation for excellence. In 2025 and beyond, we are embracing the future with major initiatives, including:

• Transitioning our operations to renewable energy
• Leveraging AI-driven machining processes to optimize efficiency, reduce waste, and accelerate timelines
• Investing in CNC-certified training for our teams to meet the most rigorous industry standards

Whether you need a prototype for a groundbreaking design or high-volume production machining, we bring precision, innovation, and dedication to every project.

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Our Commitment to Sustainability

Grant Manufacturing is committed to achieving net-zero emissions by 2026. Our drive toward sustainability is seamlessly integrated into our daily operations—ensuring that environmental responsibility and operational excellence go hand-in-hand.

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Made in the USA

We are proud to offer products manufactured in the USA, supporting local industries while delivering unmatched craftsmanship. Our state-of-the-art facilities and expert teams position us as trusted partners, ready to deliver precision machining solutions for your most complex challenges.