- CEO
- Aditya Mittal
- Full Time Employees
- 125,416
- Sector
- Basic Materials
- Industry
- Steel
- Address
- 24-26, Boulevard d’Avranches Luxembourg City Netherlands 1160
- IPO Date
- Nov 19, 2007
- Business
- ArcelorMittal S.A. is the world's leading steel and mining company, producing a broad range of flat and long steel products, tubular products, downstream solutions, and mining outputs including iron ore and metallurgical coal for automotive, construction, energy, packaging, household appliances, and general industrial applications. Its core offerings encompass hot-rolled coils, cold-rolled coils, metallic-coated steels, organic-coated steels, quarto plates, electrical steels, sections, sheet piles, rails, wire rod, rebar, bars, pipes, tubes, special steel plates, forged blocks, wires, strands, wire ropes, fencing, nails, steel fibers, and customized construction solutions such as Steligence; it operates through segments including Flat Carbon Americas, Flat Carbon Europe, Long Products Americas and Europe, Asia Africa and CIS, and Tubular Products, with steel-making facilities in 20 countries across four continents, employing approximately 125,000 people and serving diverse markets from developed economies in Europe and the Americas to emerging regions in Asia, Africa, and the Commonwealth of Independent States. Founded in 2006 through the merger of Arcelor and Mittal Steel and headquartered in Luxembourg City, the company maintains significant operations in Brazil, the United States, Europe, South Africa, Kazakhstan, Ukraine, and China. Recent developments include the completion of its acquisition of a 28.4% strategic stake in Vallourec in August 2024 to bolster tubular products for clean energy markets; the inauguration of a major expansion at its Vega unit in Brazil in November 2024, adding a continuous annealing and galvanizing line with 640,000 tonnes per year capacity for high-strength automotive and household steels; full acquisition of the remaining 50% stake in AM/NS Calvert from Nippon Steel in June 2025, enhancing U.S. automotive and energy market capabilities with ongoing investments in low-CO2 electrical steel production slated for 2027; and progress on organic growth projects such as steel capacity expansion at the AMNS India joint venture targeting completion in the second half of 2026, alongside a Moody's credit rating upgrade to Baa2 in December 2025 reflecting improved margins and disciplined capital allocation.