In business since 1936, Salsbury Industries is home to both our mailboxes.com and lockers.com online catalogs. The industry leader in the manufacturing and distributing of quality commercial and residential mailboxes, Salsbury Industries is officially licensed by the USPS to manufacture Cluster Box Units (CBU’s). Our company offers a wide variety of USPS approved products and all of our mailboxes are delivered fully assembled and ready for installation. Salsbury Industries excels in manufacturing products that meet rigorous standards for a variety of applications. As postal standards have changed, our design, engineering and manufacturing teams has kept up with these changes to provide mailboxes compliant with USPS specifications.