helped shape the American steel industry
influential in U.S. labor history
major employer in the Rust Belt
played a role in U.S. antitrust law development
first billion-dollar corporation in the world
member of the Dow Jones Industrial Average (1901–1991)
announced acquisition by Nippon Steel (2023, pending regulatory approval)
acquired Big River Steel (2021)
acquired National Steel Corporation assets (2003)
subject of major antitrust case (U.S. v. U.S. Steel, 1920)