国际钢铁协会会员公司（依名字字母A-D排序）
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Associação Brasileira de Metalurgia Materiais e Mineração (ABM)
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Acciaierie Bertoli Safau
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ACERINOX
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Acero Argentino (Càmara Argentina del Acero)
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Acciaieria Arvedi
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Adhunik Metaliks Limited
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Aichi Steel Corporation
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Asociación Latinoamericana del Acero
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All India Steel Re Rollers Association
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Altos Hornos de México (AHMSA)
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American Iron and Steel Institute (AISI)
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Anshan Iron & Steel Group Corporation (Ansteel)
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APEAL
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Aperam Stainless
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Arab Iron and Steel Union
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ArcelorMittal
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ArcelorMittal Industeel Benelux
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ArcelorMittal Research
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Arrium Mining and Materials
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Association for Iron & Steel Technology (AIST)
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Association of Finnish Steel and Metal Producers
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Association of the Hungarian Steel Industry
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Australian Steel Institute
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Badische Stahlwerke
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Baoshan Iron & Steel Stainless Steel Business Unit
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Baosteel Group Corporation
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BlueScope Steel Limited
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Byelorussian Steel Works
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CANACERO
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Compania Siderurgica Huachipato S.A. (CAP ACERO)
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Canadian Steel Producers Association (CSPA)
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Cape Gate
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CELSA Group
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Centre de Recherches Métallurgiques (CRM)
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Centro Sviluppo Materiali SpA (CSM)
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China Iron & Steel Association (CISA)
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China Steel Corporation
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Chinese Society for Metals (CSM)
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Cogne Acciai Speciali
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Çolakoğlu Metalurji A.Ş
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Columbus Stainless
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Commercial Metals Company (CMC)
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Companhia Siderúrgica Nacional (CSN)
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Daido Steel
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DEACERO
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Deutsche Edelstahlwerke (DEW)
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Dillinger Hüttenwerke
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Dongbu Steel
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Dongkuk Steel Mill
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Duferco