Builders FirstSource is a leading U.S. supplier of building materials, building products, and construction solutions for builders and contractors. Our Mitchell, SD manufacturing facility serves customers throughout Mount Vernon, Fulton, Ethan, Letcher, Alexandria and surrounding Dakotas Area. We produce building components and specialized construction solutions designed to improve efficiency, consistency, and project performance. With advanced manufacturing capabilities and trusted expertise, we're proud to be known as builders' first choice for building components and construction solutions.