At Marmon Keystone, we understand that the manufacturing industry doesn’t slow down — and neither can your supply chain. For over a century, we’ve partnered with manufacturers across North America, providing precision-cut, high-quality steel and aluminum products engineered to meet the demanding specifications of modern production environments. Whether you’re building components for machinery, producing fabricated assemblies, or managing large-scale production runs, Marmon Keystone is the supply partner you can trust to keep your lines moving.
We offer a diverse inventory of carbon steel, alloy steel, stainless steel, and aluminum products, available in multiple shapes and grades including tubing, pipe, bar, and structural steel. Our network of strategically located service centers allows us to deliver the materials you need on time, every time, whether your operation runs in batch production or just-in-time manufacturing.
Marmon Keystone isn’t just a metal distributor — we offer a full suite of value-added services designed to simplify your supply chain and reduce your internal processing time. Our in-house processing capabilities include precision saw cutting, tube laser cutting, deburring, chamfering, and custom kitting, helping manufacturers eliminate excess waste and streamline assembly operations. Whether you need standard cut lengths or complex parts ready for fabrication, our solutions are engineered to deliver consistency and quality at scale.
We know that uptime is non-negotiable in the manufacturing world, which is why Marmon Keystone prioritizes accuracy, inventory availability, and reliable logistics. From automotive parts and industrial equipment to consumer goods and infrastructure components, manufacturers rely on our materials to meet the most rigorous production demands. Our experienced team works directly with your procurement, engineering, and production departments to ensure your metal products align with both your technical specifications and your delivery timelines.
When you partner with Marmon Keystone, you gain more than a metal supplier — you gain a strategic ally dedicated to helping your manufacturing business stay competitive, efficient, and responsive to market demands.