Search icon Homepage / About / Culture History Formed in 2006 from the merger of Arcelor and Mittal Steel, ArcelorMittal is the world’s leading steel and mining company. Timeline 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 1976 Back to top Subscribe Sign up for alerts ©2021 ArcelorMittal Corporate library Contact us Suppliers Terms of Use Privacy Policy Accessibility UK Modern Slavery Act COVID-19 (coronavirus): ArcelorMittal response We use cookies We use cookies on this website. Please indicate whether or not you accept our use of cookies. For more information read our Cookie Policy. Accept Decline