Aceralia

Aceralia was a large Spanish steel producer formed in 1997 by restructuring of a group formed from earlier mergers of the steel producers ENSIDESA and Altos Hornos de Vizcaya. The company merged into Arcelor in 2001, and became part of ArcelorMittal in 2006.

==History== thumb|left|The plant at Avilés in 1979 In 1950 the state owned company Empresa Nacional Siderúrgica Sociedad Anónima (ENSIDESA) was formed in Avilés over a 11km by 0.5km campus with 14,000 employees, to increase Spain's steel production, part of the industrialisation and modernisation of Spain. This led to the Spanish economic miracle of the 1960s. In 1973 the state owned company was forced to take over the Asturian steel company UNINSA, which owned works in Veriña, and which had invested heavily in a fully integrated steel works but did not have the capital to fund it. At some point in the 1970s, ENSIDESA employed as many as 27,000 workers.