About Us
GMP Metal Products is a 125 year old contract manufacturer of quality metal stampings, fabrications, and assemblies. Our capabilities include laser cutting, fabricating, stamping, forming, deep drawing, welding and metal finishing. These capabilities allow us to produce parts that range from close tolerance internal transmission parts to very large and heavy, difficult deep drawn components for a variety of applications.
GMP Metal Products is now operating as Thunderbird Stamping LLC, part of the Thunderbird Manufacturing LLC family of companies. This transition reflects our continued commitment to quality, innovation, and serving our customers with excellence.
The GMP Mission
To be a world class, full-service manufacturer of quality metal stampings and fabrications that conform to our customer’s specifications and delivery requirements at a fair price that generates the profit necessary for investment in our business and our employees.