Today, Spenard Builders Supply is owned by Builders FirstSource, the largest supplier of building products, prefabricated components, and value-added services to the residential construction market in the U.S. We provide customers an integrated homebuilding solution, offering manufacturing, supply, delivery and installation for a full range of structural and related building products. Lead complex deals Work on infrastructure and commercial projects with engineers, architects, general contractors, material suppliers and freight partners including and internal teams.