worldsteel members A to D
-

Associação Brasileira de Metalurgia Materiais e Mineração (ABM)
-

Acciaieria Arvedi
-

Acciaierie Bertoli Safau
-

ACERINOX
-

Acero Argentino (Càmara Argentina del Acero)
-
African Iron and Steel Association
-

Aichi Steel Corporation
-

Asociación Latinoamericana del Acero
-

Altos Hornos de México (AHMSA)
-

American Iron and Steel Institute (AISI)
-

Anshan Iron & Steel Group Corporation
-

APEAL
-

Aperam Stainless
-

Arab Iron and Steel Union
-

ArcelorMittal
-

ArcelorMittal Industeel Benelux
-

ArcelorMittal Research
-

Austrian Society for Metallurgy & Materials (ASMET)
-

Association for Iron & Steel Technology (AIST)
-

Association of Finnish Steel and Metal Producers
-

Association of the Hungarian Steel Industry
-

Australian Steel Institute
-

Badische Stahlwerke
-

Baoshan Iron & Steel Stainless Steel Business Unit
-

Baosteel Group Corporation
-

Benteler Tube Management
-

BlueScope Steel Limited
-
BÖHLER UDDEHOLM
-
CANACERO
-
Canadian Steel Producers Association (CSPA)
-
Cape Gate
-
Cape Town Iron & Steel Works (CISCO)
-

CELSA Group
-
Centre de Recherches Métallurgiques (CRM)
-
Centro Nacional de Investigaciones Metalúrgicas (CENIM)
-
Centro Sviluppo Materiali SpA (CSM)
-
China Iron & Steel Association (CISA)
-

China Steel Corporation
-
Chinese Society for Metals (CSM)
-
Cogne Acciai Speciali
-
Columbus Stainless
-
Commercial Metals Company (CMC)
-
Companhia Siderúrgica Nacional (CSN)
-
Daido Steel
-

DEACERO
-
Deutsche Edelstahlwerke (DEW)
-
Dillinger Hüttenwerke
-
Dongbu Steel
-
Dongkuk Steel Mill
-
Duferco Belgium
-
Duferco