U.S. Steel Ends Slab Processing At Granite City Works Plant
GRANITE CITY — U.S. Steel announced Tuesday, Sept. 9, 2025, it will cease processing steel slabs at its Granite City Works plant in Illinois by November 2025, shifting operations to other facilities following the recent $15 billion acquisition by Japanese company Nippon Steel. The decision comes three months after Nippon Steel finalized its purchase of the iconic American steelmaker. U.S. Steel said it will focus on processing raw steel at its Mon Valley Works in Pennsylvania and Gary Works in Indiana. Despite ending slab processing at Granite City, the company stated it will not lay off any of the roughly 800 workers at the plant or reduce their pay. Employees will maintain the facility to keep it operational in case circumstances change. Granite City Mayor Michael C. Parkinson has expressed frustration over the lack of clear investment plans for the plant, which reopened in 2018 after President Donald Trump’s visit. The plant had ceased raw steel production in 2023 afte
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