The Phoenix Iron and Steel Company began in the late eighteenth century as a manufacturer of cut nails. It later became a major producer of railroad rails and iron and steel structural members. It operated as the Phoenix Iron and Steel Company from 1950 to 1959, when it was reorganized as the Phoenix Steel Corporation. This small collection primarily consists of a sample of letters received by president Samuel J. Reeves (1872-1878), primarily concerned with the Girard Avenue Bridge contract. There is also a volume of annual reports by the superintendent and a company history written by Catherine S. Sisto in 1950.

The Phoenix Steel Company began in the late eighteenth century as a manufacturer of cut nails. It later became a major producer of railroad rails and iron and steel structural members. Their records include minutes (1856-1929); stock ledgers; brief of title papers and property maps; legal and financial correspondence and tax papers; account books; and a works diary.