ALZ (Allegheny-Longdoz) is a stainless steel producer based in Genk in Limburg province, Flanders, Belgium.
In 2001 the company was merged with French stainless steel producer Ugine and in 2006 became part of the ArcelorMittal group as part of the stainless steel division.
History
ALZ was founded as a vertically integrated stainless steel producer in 1960 as an equal holding between Espérance-Longdoz (Belgium) (controlled by Evence Coppée) and Allegheny Ludlum (USA).[1][2]
In 1970 Espérance-Longdoz (Société Métallurgique d'Espérance Longdoz) became part of Cockerill-Ougrée-Providence,[3] and ALZ became a Cockerill subsidiary; Allegheny Ludlum disposed of its shares,[2]