National scale with a strong local focus US LBM is a leading distributor of specialty building materials in the United States. Founded in 2009 with 16 locations in three states, today US LBM operates more than 400 locations across the country and is the largest privately owned full-line building products distributor. Offering a comprehensive portfolio of specialty products, US LBM combines the scale and operational advantages of a national platform with a local go-to-market strategy through its national network of locations across the country.