in 2015, builders firstsource ($bldr) became the leading supplier and manufacturer of structural and related building products for new construction when it acquired probuild holdings, llc and its subsidiaries. now, as the largest diversified suppliers of lumber and building materials to professional builders, contractors, and homeowners, builders firstsource currently operates approximately 450 lumber and building product distribution, manufacturing and assembly centers in 40 u.s. states. builders firstsource and its companies sell a broad selection of building materials including; lumber (dimensional and sheet goods), drywall products, millwork, trusses, roofing and siding products, insulation materials, and hardware specialties. their manufacturing capabilities include trusses (roof and floor), wall panels, custom millwork, aluminum and vinyl windows and pre-hung door fabrication. we have the ability to sustain a long-term, aggressive growth strategy. our collective strength combines