ArcelorMittal is a steel company, based in Luxembourg, with operations in more than 60 countries. Co. is active in all major global steel markets, including automotive, construction, household appliances and packaging, as well as activities in Research & Development and technology, with captive supplies of raw materials and its own distribution network. Co. has an industrial presence in over 20 countries spanning four continents, covering key steel markets, from emerging to mature. Co. offers a complete spectrum of steel products from commodity steel to value-added products, from long products to flat, from standard to specialty products, from carbon steel to stainless steel and alloys.

Salzgitter is a holding company. Through its subsidiaries, Co. organized its businesses into five divisions. The Steel Division manufactures steel and special steels. The Tubes Division is involved with the manufacture of line pipes, HFI-welded pipes, precision tubes and stainless steel tubes. The Trading Division operates a European sales network as well as trading companies and agencies worldwide. The companies in the Services Division provide services such as data processing, telecommunications services, scrap dealing, the handling and storage of bulk cargo, transportation, and other services. The Technology Division operates in the filling and packaging technology segment.

SSAB is a supplier of high strength steels with products comprising various qualities and dimensions within wear steels and structural steels. Co.'s solutions also include services, from concept to finished delivery. SSAB Wear Services also provides advice, repairs, and sales of spare parts to the aftermarket. The business is organized into three business areas; SSAB Americas, SSAB EMEA and SSAB APAC as well as the subsidiary, Tibnor, which is a steel distributor in the Nordic region. SSAB EMEA consist of Europe, the Middle East and Africa; SSAB Americas of North and Latin America; SSAB APAC of Asia, Australia and New Zealand and Tibnor of steel and metal distribution in northern Europe.

voestalpine is engaged in the production, processing, and distribution of materials made of steel and in research and development in the areas of metallurgy, metal processing, and materials technology. Co.'s steel division focuses on the production and processing of flat steel products. Co.'s special steel division is involve in tool steel and high-speed steel. Co.'s metal engineering division is engaged in turnout technology, rails and treated wire, and tubes. Co.'s metal forming division is involve in tube products and precision strip steel as well as pre-finished system components. Co.'s other activities include heavy plate production, a foundry, and a number of downstream processes.