GKN Ltd is a British multinational automotive and aerospace components business headquartered in Redditch, England. It is a long-running business known for many decades as Guest, Keen and Nettlefolds. It can trace its origins back to 1759 and the birth of the Industrial Revolution.
SSAB AB, earlier Svenskt Stål AB is a Swedish company, formed in 1978, that specialises in producing steel. The largest shareholders are LKAB and the Government of Finland.
POSCO is a South Korean steel-making company headquartered in Pohang, South Korea. It had an output of 42,000,000 metric tons of crude steel in 2015, making it the world's sixth-largest steelmaker by this measure. In 2010, it was the world's largest steel manufacturing company by market value. Also, in 2012, it was named as the world's 146th-largest corporation by the Fortune Global 500.
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 claims to be one of the world's largest steel producers, 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.
A steel mill or steelworks is an industrial plant for the manufacture of steel. It may be an integrated steel works carrying out all steps of steelmaking from smelting iron ore to rolled product, but may also be a plant where steel semi-finished casting products are made from molten pig iron or from scrap.
Vale, formerly Companhia Vale do Rio Doce, is a Brazilian multinational corporation engaged in metals and mining and one of the largest logistics operators in Brazil. Vale is the largest producer of iron ore and nickel in the world. It also produces manganese, ferroalloys, copper, bauxite, potash, kaolin, and cobalt, currently operating nine hydroelectricity plants, and a large network of railroads, ships, and ports used to transport its products.
Republic Steel is an American steel manufacturer that was once the country's third largest steel producer. It was founded as the Republic Iron and Steel Company in Youngstown, Ohio in 1899. After rising to prominence during the early 20th Century, Republic suffered heavy economic losses and was eventually bought out before re-emerging in the early 2000s as a subsidiary. The company currently manufactures Special Bar Quality (SBQ) steel bars and employs around 2,000 people. It is currently owned by Grupo Simec, based in Guadalajara, Mexico.
Techint is an Argentine conglomerate founded in Milan in 1945 by Italian industrialist Agostino Rocca and headquartered in Buenos Aires (Argentina) and Milan (Italy). As of 2019 the Techint Group is composed of six main companies in the following areas of business: engineering, construction, steel, mining, oil & gas, industrial plants, healthcare. Techint, with its subsidiaries, is the largest steel making company in Argentina.
Novolipetsk Steel, or NLMK, is one of the four largest steel companies in Russia. NLMK's share of domestic crude steel production is about 21%. It primarily produces flat steel products, semi-finished steel products and electrical steels. NLMK also produces specialty coated steels, plus high-ductility and micro-alloyed steels. It is the 21st-largest steel maker in the world. The larger NLMK group owns a number of other steel and mining industries, mostly in Russia.
Hyundai Steel Co., Ltd, or HSC is a steel making company headquartered in Incheon and Seoul, South Korea, and a member of the Hyundai Motor Group. It manufactures a wide variety of products ranging from H-beams, rail and reinforcing bars, to hot coil, cold-rolled steel, and stainless cold-rolled sheet.
Companhia Siderúrgica Nacional (CSN) lit. 'National Siderurgy Company' or 'National Steel Company' is the largest fully integrated steel producer in Brazil and one of the largest in Latin America in terms of crude steel production. Its main plant is located in the city of Volta Redonda, in the state of Rio de Janeiro. Its current CEO is Benjamin Steinbruch.
Commercial Metals Company (CMC), headquartered in Irving, Texas, is a producer of rebar and related products for the construction industry. Along with Nucor, it is one of two primary suppliers of steel used to reinforce concrete in buildings, bridges, roads, and infrastructure in the U.S. The company also owns Tensar, a producer of foundation systems used for the construction of roadways, public infrastructure, and industrial facilities.
Brazilian industry has its earliest origin in workshops dating from the beginning of the 19th century. Most of the country's industrial establishments appeared in the Brazilian southeast, and, according to the Commerce, Agriculture, Factories and Navigation Joint, 77 establishments registered between 1808 and 1840 were classified as "factories" or "manufacturers". However, most, about 56 establishments, would be considered workshops by today's standards, directed toward the production of soap and tallow candles, snuff, spinning and weaving, foods, melting of iron and metals, wool and silk, amongst others. They used both slaves and free laborers.
Vallourec S.A. is a multinational manufacturing company headquartered in Meudon, France. Vallourec specializes in hot rolled seamless steel tubes, expandable tubular technology, automotive parts, and stainless steel, which it provides to energy, construction, automotive, and mechanical industries. Vallourec shares are listed on NYSE Euronext.
Rheinmetall Automotive is the Automotive sector of the parent group Rheinmetall. The company emerged in 1997 through the merger of KS Kolbenschmidt GmbH, Neckarsulm, and Pierburg GmbH, Neuss. Hence, at its various traditional locations the company is commonly known as Kolbenschmidt or Pierburg. 40 production plants in Europe, the Americas, Japan, India and China employ a total workforce of around 11,000. Products are developed in cooperation with international auto manufacturers. Rheinmetall Automotive ranks among the 100 biggest auto industry suppliers worldwide and is an important partner to the industry for such products as exhaust gas recirculation systems, secondary-air systems, coolant pumps, and pistons for car gasoline engines and as well as for the commercial vehicle sector.
Mitsui & Co., Ltd. is one of the largest sogo shosha in Japan; it is part of the Mitsui Group.
Industrias Nacionales, also known as INCA, was the leading manufacturer of construction goods in the Dominican Republic. It is headquartered in the Isabela Industrial Zone of Santo Domingo on the outer banks of the Isabela River. In 2013, after merging with competitor Metaldom, it re-branded under the banner of Gerdau Metaldom.
Sims Limited (formerly Sims Metal Management Limited) is a global environmental services conglomerate, operating through a number of divisions, with a focus on: (a) Ferrous and Non-ferrous metal recycling, (b) enterprise data destruction and cloud asset management (c) post-consumer electronic goods recycling and reuse, (d) municipal waste recycling, (e) gas to energy, and (f) waste to energy. Founded in 1917, its primary operations are located in the United States, Australia and the UK.
Jorge Gerdau Johannpeter is a Brazilian businessman of German descent, great-grandson of Johann Heinrich Kaspar Gerdau, Gerdau Group's founder. He held various positions within the Gerdau Group, and was its CEO from 1983 to 2006. He was chairman until 2015. Since 2011, he has been president of the Chamber of Management Policies, Performance and Competitiveness (CGDC), an organization linked to the Presidency of Brazil.
André Johannpeter is a Brazilian businessman currently serving as CEO of Gerdau, the largest steel producer of Latin America. He is a former Olympic equestrian.
R$ 78.3 billion (2021) [1] 
