Arrow Building Center, Lampert Lumber and Lyman Lumber Companies, divisions of US LBMprovides a wide range of building materials to construction professionals, combining the advantages of our national scale with the excellent service levels, expertise, entrepreneurial culture and customer relationships of our local brands. Arrow Building Center, Lampert Lumber and Lyman Lumber Companies, divisions of US LBM provides a wide range of building materials to construction professionals, combining the advantages of our national scale with the excellent service levels, expertise, entrepreneurial culture and customer relationships of our local brands.