附属会员

Acero Argentino (Càmara Argentina del Acero)
Alliance des Minerais, Minéraux et Métaux (A3M)
American Iron and Steel Institute (AISI)
APEAL
Arab Iron & Steel Union (AISU)
ArcelorMittal
ArcelorMittal Research SA
Asociación Latinoamericana del Acero (Alacero)
Association for Iron & Steel Technology (AIST)
Association of Enterprises UKRMETALURGPROM
Association of the Hungarian Steel Industry
Australian Steel Institute (ASI)
Austrian Mining and Steel Association
CANACERO
CARES (UK Certification Authority for Reinforcing Steels)
Canadian Institute of Steel Construction (CISC-ICCA)
Canadian Steel Producers Association (CSPA)
Centre de Recherches Métallurgiques (CRM)
China Iron & Steel Association (CISA)
The Chinese Society for Metals (CSM)
EUROFER (The European Steel Association)
FEDERACCIAI
FEhS - Building Materials Insitute
Finnish Steel and Metal Producers
Groupement de la Sidérurgie/Staalindustrie Verbond (GSV)
Hutnicza Izba Przemysłowo-Handlowa HIPH (Polish Steel Association)
Indian Iron and Steel Sector Skill Council (IISSSC)
Indian Steel Association (ISA)
INSDAG - Institute for Steel Development and Growth
Instituto Aço Brasil (Brazil Steel Institute)
International Iron Metallics Association (IIMA)
The Iron and Steel Institute of Japan (ISIJ)
Iron and Steel Institute of Thailand (ISIT)
The Japan Iron and Steel Federation (JISF)
Jernkontoret – the Swedish Steel Producers' Association
Joint Plant Committee (JPC)
Korea Iron and Steel Association (KOSA)
Materials Processing Institute
National Committe for Steel Industry (NCSI)
Ocelářská unie a.s. (Czech Steel Union)
Project Helios LTD
RINA Consulting - Centro Sviluppo Materiali SpA
Russian Steel Association（非活动会员）
South African Iron and Steel Institute (SAISI)
South East Asia Iron and Steel Institute (SEAISI)
StahlInstitut VDEh (Steel Institute VDEh)
Steel Manufacturers Association (SMA)
Swerim AB
Taiwan Steel and Iron Industries Association
Turkish Steel Producers Association (TISPA)
UK Steel
Unión de Empresas Siderúrgicas (UNESID)
Wirtschaftsvereinigung Stahl (German Steel Association)
World Refractories Association (WRA)