402 Supply provides premium building materials, including Knotwood and Fortress Steel. As an authorized Knotwood dealer, we offer expert project takeoffs and nationwide service for large-scale builds.

402 Supply is a leading provider of premium building materials, specializing in top-tier products like Knotwood and Fortress Steel. As one of the few authorized Knotwood dealers in the U.S., we offer eco-friendly, durable aluminum alternatives that combine the beauty of wood with low-maintenance performance. With over 30 years of industry experience, we serve contractors, architects, and homeowners across the nation, providing expert project takeoffs and personalized guidance for large-scale bui...

402 Supply is a leading provider of premium building materials, specializing in top-tier products like Knotwood and Fortress Steel. As one of the few authorized Knotwood dealers in the U.S., we offer eco-friendly, durable aluminum alternatives that combine the beauty of wood with low-maintenance performance. With over 30 years of industry experience, we serve contractors, architects, and homeowners across the nation, providing expert project takeoffs and personalized guidance for large-scale builds. Our mission is to deliver high-quality materials at competitive prices while ensuring exceptional customer service. Whether you’re working on residential or commercial projects, 402 Supply is committed to helping you build smarter, stronger, and more sustainably.