【钢铁企业列表】
钢铁制造企业列表、世界最大钢铁生产公司列表、钢铁公司列表、钢铁生产商列表。主要基于世界钢铁协会数据。
该列表按钢铁产量（百万吨）对钢铁企业排名，包括2021年产量超过1000万吨的所有钢铁企业。世界钢铁协会每年都会编制一份列表。但请注意，由于企业会合并，一些生产商的年度数据不可比。另请注意，并非所有钢材都是相同价值的；有些钢材比其他钢材更有价值，所以因此成交量会与营业额不同。
== 产量最高的生产商 ==
产量最高的生产商列表：
== 其它顶级钢铁生产商（按产量） ==
顶级钢铁生产商：
* 阿塞里诺克斯——Spain
* Aisha Steel Mills——Pakistan
* Aichi Steel Corporation——Japan
* Allegheny Technologies——United States
* Altos Hornos de México——Mexico
* 鞍钢股份——China
* Anyang Steel——China
* Aperam——Luxembourg
* Arrium——Australia
* 博思格——Australia
* British Steel Ltd——United Kingdom
* BSRM——Bangladesh
* Byelorussian Steel Works——Belarus
* Carpenter Technology Corporation——United States
* Celsa Group——Spain
* Commercial Metals Company——United States
* 巴西国家钢铁公司——Brazil
* Crucible Industries——United States
* 达涅利——Italy
* Donghai Special Steel——China
* 东国制钢——South Korea
* Erdemir——Turkey
* Essar Steel——India
* EZDK——Egypt
* Handan Zongheng Iron and Steel——China
* 伊利奇钢铁厂——Ukraine
* Ilva (company)——Italy
* International Steels Limited——Pakistan
* ISD Corporation——Ukraine
* Ittefaq Group——Pakistan
* 日本制钢所——Japan
* Jindal Steel and Power——India
* Jinxi Iron and Steel——China
* 3=酒泉钢铁集团公司——China
* 神户制钢所——Japan
* Libyan Iron and Steel Company——Libya
* Mahindra Ugine Steel——India
* Marcegaglia——Italy
*Maghreb Steel——Morocco
* Mechel——Russia
* Metalloinvest——Russia
* 三井物产——Japan
* MMX Mineração——Brazil
* 日本制铁——Japan
* Olympic Steel——United States
* 奥托昆普 (公司)——Finland
* Pakistan Steel Mills——Pakistan
* 攀钢集团有限公司——China
* Qatar Steel——Qatar
* Rautaruukki——Finland
* Reliance Steel & Aluminum Co.——United States
* Sahaviriya Steel Industries——Thailand
* Salzgitter AG——Germany
* SeAH Beestel——South Korea
* Schnitzer Steel Industries——United States
* Sheffield Forgemasters——United Kingdom
* SIDERPERU——Peru
* Sidetur——Venezuela
*Sonasid——1967（1967）
* SSAB——Sweden
* Steel Dynamics——United States
* Stelco——Canada
* Tangshan Guofeng Iron and Steel——China
* Tenaris——Luxembourg
* Ternium——Hylsa and Imsa in Mexico——Siderar in Argentina
* Timken Company——United States
* Tuwairqi Steel Mills——Pakistan
* Usiminas——Brazil
* Vallourec——France
* VISA Steel——India
* Visakhapatnam Steel Plant——India
* Voestalpine——Austria
* Votorantim Siderurgia——Brazil
== 历史钢铁企业 ==
合并了、拆分了、不再运营了的钢铁企业：
*AK Steel (bought by Clevland-Cliffs)
*Algoma Steel (assets bought by Essar Steel in April 2007)
*Arbed (merged in 2002 forming Arcelor)
*安赛乐 (合并与Mittal forming ArcelorMittal)
*中国宝武钢铁集团 (合并与Wuhan Group forming China Baowu Steel Group)
*本钢集团 (合并与Ansteel Group)
*伯利恒钢铁 (assets bought by ISG in 2003. ISG merged with Mittal, now ArcelorMittal)
*3=渤海钢铁集团 (bankrupted in 2016)
*British Steel Corporation formed in 1967 when steel was nationalised in the UK. Privatised again in 1988.
*英国钢铁股份 (合并与Koninklijke Hoogovens (NL) in 1999 to form Corus, now Tata Steel)
*Carnegie Steel Company (sold to U.S. Steel in 1901)
*Cockerill-Sambre (收购于Usinor in 1998, which became part of Arcelor in 2002, now ArcelorMittal)
*Corus Group (收购于Tata Steel in 2007)
*Dofasco in 哈密尔顿 (安大略) (收购于Arcelor, now ArcelorMittal)
*Falck Group (turned the production to 可再生能源 with Falck Renewables)
*Gruppo Riva (split into ILVA and Riva Forni Electtrici in 2013)
*Hoesch Stahl AG (收购于蒂森克虏伯)
*Inland Steel Company (收购于Ispat International became Mittal, now ArcelorMittal)
*International Steel Group (合并与Mittal, now ArcelorMittal)
*Jones and Laughlin Steel Company (收购于Ling-Temco-Vought, renamed LTV Steel, acquired by ISG)
*Koninklijke Hoogovens (合并与British Steel (UK) in 1999 to form Corus, now Tata Steel)
*克虏伯 (合并与Thyssen to form ThyssenKrupp in 1999)
*Kunming Steel, China (merged into 中国宝武钢铁集团)
*Lackawanna Steel Company (收购于伯利恒钢铁 in 1922, plants closed in 1982)
*山东钢铁集团 (merged into 山东钢铁集团)
*Lone Star Steel Company (收购于U.S. Steel in 2007)
*马鞍山钢铁股份 (收购于China Baowu in 2019)
*米塔尔钢铁公司 (合并与Arcelor forming ArcelorMittal)
*National Steel Corporation (收购于U.S. Steel in 2003)
*Northwestern Steel and Wire (reorganized and operating as Sterling Steel Company)
*Pingxiang Iron and Steel (合并与Jiujiang Steel forming Fangda Steel)
*Republic Steel (merged into LTV Steel, acquired by ISG, merged with Mittal, now ArcelorMittal)
*Rouge Steel (formerly owned by 福特汽车; acquired by 北方钢铁 in 2004)
*Steel Company of Wales (absorbed into British Steel Corporation in 1967)
*太原钢铁集团 (merged into 中国宝武钢铁集团)
*Timken (split to form TimkenSteel Corporation in 2014)
*Thyssen (合并与克虏伯 to form ThyssenKrupp in 1999)
*Weirton Steel (收购于ISG, which merged with Mittal, now ArcelorMittal)
*武钢集团 (合并与Baosteel forming China Baowu Steel Group)
*Youngstown Sheet and Tube (收购于Jones and Laughlin Steel Company ca. 1977)