Acerinox S.A.
Allegheny Technologies Incorporated
Ambica Steels
Aperam SA
ArcelorMittal SA
Baosteel
Carpenter Technology Corp
Cleveland-Cliffs Inc.
Cogne Acciai Speciali SpA
Daido Steel Co Ltd
Erasteel
Foroni SpA
H. Butting GmbH & Co KG
JFE Steel Corporation
Jindal Stainless
Jindal Steel & Power Ltd.
Langley Alloys Ltd.
Metline Industries
Nippon Steel & Sumikin Stainless Steel Corp
Nippon Steel Corp
Nippon Yakin Kogyo Co Ltd
Outokumpu OYJ
Penn Stainless
Posco Group
Rolled Alloys Inc.
Sandmeyer Steel Co
Sandvik AB
Sandvik Materials Technology AB
Sanyo Special Steel Co Ltd
Taiyuan Iron and Steel (Group) Co Ltd (TISCO)
Tata Steel
Tenaris
Thyssenkrupp AG
Tubacex
Valbruna Stainless Inc.
Voestalpine AG