常规会员

Acciaieria Arvedi SpA
Acciaierie Bertoli Safau SpA
Acerinox S.A.
Aceros AZA S.A.
Aço Verde do Brasil (AVB)
Aichi Steel Corporation
Ansteel Group Corporation
Aperam Holding
ArcelorMittal
ArcelorMittal S.A.
Arjas Steel Private Limited
Badische Stahlwerke GmbH
Baku Steel Company CJSC
Bangladesh Steel Re-Rolling Mills
Baotou Iron & Steel (Group) Co., Ltd.
Big River Steel
BlueScope Steel Limited
Böllinghaus GmbH & Co. KG
CELSA Steel Group
China Baowu Steel Group Corporation Limited
China Steel Corporation
CITIC Pacific Special Steel Group Co., Ltd.
Cogne Acciai Speciali SpA
Çolakoğlu Metalurji A.Ş
Daido Steel Co., Ltd.
Diler Iron and Steel Company Inc.
Duferco Participations Holding S/A
El Marakby Steel
Emirates Steel Arkan
ERAMET
Erdemir Group
EVRAZ（非活动会员）
EZZ Steel
Feng Hsin Steel Co., Ltd.
Gerdau S.A.
Grupo Acerero
PT Gunung Raja Paksi, Tbk
HBIS Group Co., Ltd.
Hyundai Steel Company
JFE Steel Corporation
Jindal Steel and Power Limited
Jingye Group
JSW Steel Limited Ltd
Kaptan Demir Çelik Endustrisi ve Ticaret A.Ş.
Kobe Steel, Ltd
Kroman Çelik Sanayii A.Ş.
Liberty Steel Australia
Liberty Speciality Steels
Magnitogorsk Iron & Steel Works (PJSC)（非活动会员）
Metalloinvest Management Company LLC（非活动会员）
Metinvest Holding LLC
Mobarakeh Steel Company
NatSteel Holdings Pte Ltd
New Castle Stainless Plate, LLC
Nippon Kinzoku Co., Ltd.
Nippon Steel Corporation
Nippon Steel Stainless Steel Corporation
Nippon Yakin Kogyo Co., Ltd.
Novolipetsk Steel (NLMK Group)（非活动会员）
Nucor Corporation
Ovako AB
POSCO Holdings
POSCO-Thainox
Qatar Steel Company (Q.P.S.C.)
Rashtriya Ispat Nigam (VIZAG Steel)
Sahaviriya Steel Industries plc
Sanyo Special Steel Co., Ltd.
SeAH Besteel Corporation
Saudi Basic Industries Corporation (SABIC-HADEED)
Severstal PAO（非活动会员）
Shougang Group
Siam Yamato Steel Company Corporation (SYS)
SIDENOR S.A.
SIJ (Slovenian Steel Group)
Stahlbeteilungen Holding S.A.
Steel Authority of India (SAIL)
ŠTORE STEEL d.o.o.
SULB Company
Sunflag Iron & Steel Co. Ltd
Swiss Steel Group
Tata Steel
Techint Group
Ternium
thyssenkrupp
TMK PAO（非活动会员）
Tosyalı Holding (Toscelik Profil Ve Sac Endustrisi A.S. )
Trinecke Zelezarny, a.s.
Tung Ho Steel Enterprise Corporation
U. S. Steel Corporation
United States Steel Corporation
Usinas Siderúrgicas de Minas Gerais S.A. (USIMINAS)
VISA Steel
voestalpine
Wei Chih Steel Industrial Co., Ltd