The story
Founded by John Roach in 1873.1
Private company
Metal rolling mill in Pennsylvania, United States
The Chester Rolling Mill was a large iron (later steel) rolling mill established by shipbuilder John Roach in Chester, Pennsylvania, United States, in 1873. The main purpose of the Mill was to provide metal hull plates, beams and other parts for the ships built at Roach's Delaware River Iron Ship Building and Engine Works, also located at Chester.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
See how the biggest companies compare on our leaderboards
The Chester Rolling Mill was a large iron (later steel) rolling mill established by shipbuilder John Roach in Chester, Pennsylvania, United States, in 1873. The main purpose of the Mill was to provide metal hull plates, beams and other parts for the ships built at Roach's Delaware River Iron Ship Building and Engine Works, also located at Chester.2
Founded by John Roach in 1873.1
Who has led Chester Rolling Mill, and when. Pick a name to see everywhere that person has worked.
The numbers on this page point here. Each one links to the record it came from.