The Providence Steel and Iron Company Complex is an historic industrial complex at 27 Sims Avenue in Providence, Rhode Island. It consists of five one and two-story buildings, built between 1902 and 1951 for the Providence Steel and Iron Company (PS&I), whose corporate lineage begins with the Providence-based Builders Iron Foundry (BIF) in 1822. BIF purchased the land on Sims Avenue in 1902 to replace old facilities on Codding Street. PS&I was established as a subsidiary of BIF, producing both structural and ornamental steel products, and was separated from its parent by sale in 1905. PS&I continued to operate on the Sims Street property until 2000, when it went out of business.