U.S. LUMBER is one of the largest, privately held distributors of specialty building materials.  Under its operating brands, Specialty Building Products is known as the first choice for manufacturers and dealers of specialty building materials and the fastest growing distributor in North America.  We aspire to be recognized as the most reliable, trusted, and knowledgeable professionals in the business. Together, as one company, we are better prepared to meet the growing demands of the building industry with an unmatched depth and breadth of inventory, in-person support, and robust selling systems.