Arcelor is a multinational steel manufacturing corporation headquartered in Luxembourg. It was formed in 2001 through the merger of several steel companies, including Arcelor and Mittal Steel. As one of the largest steel producers in the world, Arcelor focuses on producing a variety of steel products for industries such as construction, automotive, and appliances. The company operates in over 60 countries and employs thousands of people globally. Arcelor is known for its commitment to sustainability and innovation, investing in technologies to reduce environmental impact and improve efficiency in steel production.