It was formed when Ispat International N.V. acquired LNM Holdings N.V. (both were already controlled by Lakshmi Mittal) and merged with International Steel Group Inc. (the remnants of Bethlehem Steel, Republic Steel and LTV Steel) in 2004.
Компания была образована путём слияния компаний Ispat International N.V. (ранее поглотившей LNM Holdings N.V.) и International Steel Group Inc. в 2005.