Ignite your career at Builders FirstSource, America’s largest supplier of building materials, value-added components and building services to the professional market. The #1 name in our industry, we help make the dream of home ownership more achievable every day. At BFS, you’ll be equipped with all the tools, training, and resources you need, and you’ll be empowered to try new things, gain new experiences, and build a career with unlimited horizons. PURPOSE Under direct supervision handles and maintains the flow of materials and products on the premises according to established guidelines.