In a Dec. 12 opinion, Judge Marilyn Horan in the Western District of Pennsylvania denied Algoma’s motion to dismiss the ...

Counting down the top Pittsburgh business stories of 2025 — finally, at No. 1 — U.S. Steel acquired by Nippon Steel.

United States Steel on Tuesday detailed its billion-dollar multiyear growth plan with new owner Nippon Steel that includes modernizing the century-old steelmaker. The announcement comes just five ...

U.S. Steel has said that the Mon Valley will soon see the improvements promised by Nippon Steel. The U.S. Steel board approved the investment plans this week. The company will submit a permit for a ...

Nippon Steel has finalized its deal to buy 100% of U.S. Steel, the iconic steelmaker that was once the world’s most valuable company and a cornerstone of American industrial might. The purchase comes ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min Nippon Steel cuts profit ...

More than a month after the deadly U.S. Steel Clairton plant explosion, investigators are revealing new insight into how it happened. According to preliminary findings from the U.S. Chemical Safety ...

Oily sheen on the Monongahela River near US Steel's Irvin Plant, in West Mifflin, Pa. August, 2023. U.S. Steel has agreed to pay a $135,000 fine in a settlement with the Pennsylvania Department of ...

A six-figure expense is a big deal for a lot of businesses. Less so for U.S. Steel, a massive manufacturer with more than $15 ...

Nippon Steel and we got it and we have all sorts of protections because of the fact that US Steel was you people years ago 80 years ago was the biggest company in the world, most powerful company in ...

HARRISBURG, Pa. -- U.S. Steel said it will resume making steel slabs at its Granite City Works plant in Illinois as demand rebounds. The company shut down the last blast furnace there in 2023, and it ...