ArcelorMittal is the world's leading steel and mining company, with a presence in more than 60 countries and an industrial footprint in 18 countries. Guided by a philosophy to produce safe, sustainable steel, we are the leading supplier of quality steel in the major global steel markets including automotive, construction, household appliances and packaging, with world-class research and development and outstanding distribution networks.
Through our core values of sustainability, quality and leadership, we operate responsibly with respect to the health, safety and wellbeing of our employees, contractors and the communities in which we operate.
For us, steel is the fabric of life, as it is at the heart of the modern world from railways to cars and washing machines. We are actively researching and producing steel-based technologies and solutions that make many of the products and components we use in our everyday lives more energy-efficient.
We are one of the world’s five largest producers of iron ore and metallurgical coal and our mining business is an essential part of our growth strategy. With a geographically diversified portfolio of iron ore and coal assets, we are strategically positioned to serve our network of steel plants and the external global market.
Outokumpu’s vision is to pioneer materials and technologies that power tomorrow. As the global leader in sustainable stainless steel, we are accelerating the green transition, and we lead the development of low-CO₂ metals and solutions across the stainless steel value chain – and beyond.
Our business is based on the circular economy: our products are made from more than 90% recycled materials, which we turn into fully recyclable stainless steel with up to 75% lower carbon footprint than the industry average. This steel is utilized in various applications across society, including infrastructure, energy, industrial applications and household appliances. With our new EVOLVE strategy, we focus on maximizing value in sustainable stainless steel while expanding our offering in advanced materials & alloys, ferrochrome and innovative technologies.
We operate production sites in Finland, Germany, Sweden, the Netherlands, the United States, and Mexico whilst our mine in Kemi, Finland is the only chrome mine within the European Union.
In 2025, Outokumpu’s revenue was EUR 5.5 billion. Outokumpu employs approximately 8,600 professionals in nearly 30 countries, with headquarters in Helsinki, Finland. Our shares are listed on Nasdaq Helsinki.
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On April 1, 2019, we renamed ourselves as “Nippon Steel Corporation” (from Nippon Steel and Sumitomo Metal Corporation), to keep in pace with our advance as a growing global steelmaker with origins in Japan.