Arcelor S.A. was the world's largest steel producer in terms of turnover and the second largest in terms of steel output, with a turnover of €30.2 billion and shipments of 45 million metric tons of steel in 2004. The company was created in 2002 by a merger of the former companies Aceralia (Spain), Usinor (France) and Arbed (Luxembourg). Arcelor is now part of ArcelorMittal after a takeover by Mittal Steel in 2006.
ArcelorMittal Dofasco is a steel company based in Hamilton, Ontario, Canada. Dofasco is a standalone subsidiary of ArcelorMittal, the world's largest integrated steel producer.
Tata Steel Limited is an Indian multinational steel-making company, based in Jamshedpur, Jharkhand and headquartered in Mumbai, Maharashtra. It is a part of the Tata Group.
Cockerill-Sambre was a group of Belgian steel manufacturers headquartered in Seraing, on the river Meuse, and in Charleroi, on the river Sambre. The Cockerill-Sambre group was formed in 1981 by the merger of two Belgian steel groups – SA Cockerill-Ougrée based at Seraing in the province of Liège, and Hainaut-Sambre based at Charleroi in the province of Hainaut – both being the result of post-World War II consolidations of the Belgian steel industry.
ThyssenKrupp AG is a German industrial engineering and steel production multinational conglomerate. It resulted from the 1999 merger of Thyssen AG and Krupp and has its operational headquarters in Duisburg and Essen. The company says that it is one of the largest steel producers in the world, and it was ranked tenth-largest worldwide by revenue in 2015. It is divided into 670 subsidiaries worldwide. The largest shareholders are the Alfried Krupp von Bohlen und Halbach Foundation and Cevian Capital. ThyssenKrupp's products range from machines and industrial services to high-speed trains, elevators, and shipbuilding. The subsidiary ThyssenKrupp Marine Systems also manufactures frigates, corvettes, and submarines for the German and foreign navies.
Mittal Steel Company N.V. was a European company headquartered in the United Kingdom and incorporated in the Netherlands, and one of the world's largest steel producers by volume and turnover. After a merger in 2005, it is now part of ArcelorMittal.
China Baowu Steel Group Corp., Ltd., commonly known as Baowu, is a state-owned iron and steel company headquartered in the Baosteel Tower in Pudong, Shanghai, China. The company was formed by Baosteel Group absorbing its smaller state-owned peer, Wuhan Iron and Steel Corporation in 2016. It is the world's largest steel producer.
Weirton Steel Corporation was a steel production company founded by Ernest T. Weir in West Virginia in 1909. It was at one time one of the world's largest producers of tin plate products.
Tata Steel Europe Ltd. was a steelmaking company headquartered in London, England, with its main operations in the United Kingdom and the Netherlands. The company was created in 2007, when Tata Group took over the British-Dutch Corus Group.
International Steel Group (ISG) was an American steel company, headquartered in Cleveland, Ohio, which was established by the New York investment firm WL Ross & Co LLC to acquire the assets of bankrupt steel companies and combine them together in a new company.
Wuhan Iron and Steel Corporation (WISCO) is a Chinese state-owned enterprise. It started to operate in 1958 in Qingshan, Wuhan, Hubei, China.
Usinor was a French steel making group formed in 1948. The group was merged with Sacilor in 1986, becoming Usinor-Sacilor and was privatised in 1995, and renamed Usinor in 1997.
ArcelorMittal S.A. is a Luxembourg-based multinational steel manufacturing corporation headquartered in Luxembourg City. It was formed in 2006 from the takeover and merger of Arcelor by Indian-owned Mittal Steel. ArcelorMittal is the second largest steel producer in the world, with an annual crude steel production of 78 million metric tonnes as of 2022. It is ranked 197th in the 2022 Fortune Global 500 ranking of the world's largest corporations. It employs around 154,000 people and its market capital is $20 billion. The total value of company assets is estimated to be around $94 billion.
Thyssen was a major German steel producer founded by August Thyssen. The company merged with Friedrich Krupp AG Hoesch-Krupp to form ThyssenKrupp in 1999.
Heinrich Hiesinger is a German engineer and manager who served as the CEO of ThyssenKrupp from 2011 until 2018.
Ma gang (Group) Holding Co., Ltd., or known as Masteel Group, is one of the major Chinese iron and steel enterprises. Since 2019, it is a joint venture of central government owned China Baowu Steel Group and Anhui Provincial People's Government's State-owned Assets Supervision and Administration Commission (SASAC). It is headquartered in Ma'anshan, Anhui province. The group produced iron and steel via its listed subsidiary Maanshan Iron and Steel Company Limited, which was a listed company since 1993. However, the group had a significant part remained unlisted.
Hesteel Group Company Limited is a Chinese iron and steel manufacturing conglomerate, also known as Hesteel Group or its pinyin shortname Hegang. The company was also known as Hebei Iron and Steel Group Co., Ltd. or HBIS until 2016.
Nippon Steel Corporation is Japan's largest steelmaker, headquartered in Chiyoda-ku, Tokyo. The company has four business segments, including steelmaking, engineering, chemicals, and system solutions. It is the largest producer of crude steel in Japan and the third largest in the world. The company is on the Forbes Global 2000 list, ranked 1971 in 2023. The company is the second incarnation of the Nippon Steel name, following the original Nippon Steel Corporation which was formed from the merger of Yamata Iron & Steel with Fuji Iron & Steel in 1950 and lasted until 2012.
Liberty Steel Group Holdings UK Ltd (LSG), which is also referred to as Liberty House or Liberty House UK, is a British industrial and metals company founded in the United Kingdom in 1992 by industrialist Sanjeev Gupta. It is headquartered in London, England, and has offices in Dubai, Singapore and Hong Kong.
Ilva S.p.A. is an Italian steel company in Taranto that for much of the 20th century was Italy's largest steel producer and one of the largest in Europe. In June 2017, Arcelor Mittal became the chief shareholder. In 2020, the company returned to commissioners' management and ownership of the Italian state. On 23 April 2021, capital was infused by the government of Mario Draghi, which took a 38% share and 50% of the voting rights.
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