• AK Steel Corp
• Alcan Inc.
• Algoma Steel Inc.
• Alcoa(Aluminum Co. of America)
• Alufoil Products Co., Inc.
• Allegheny Technologies Inc.
• Aluminium Bahrain
• Carpenter Technology Corp.
• Castrip LLC
• Celsa Steel Service
• Centro Nacional Parael Desarrollo
• Commercial Metals Compan
• Danieli Corporation
• Essar Steel
• EZZ Group：EZZ Steel
• Industrial Union of Donbass
• IPSCO Inc.
• Krakatau Steel
• Norsk Hydro ASA
• Midrex Technologies, Inc.
• Rautaruukki Corporation
• Riva Fire SpA
• Salzgitter Group
• Sapa Group
• Sumitomo Light Metal Industries
• Sumitomo Metal Industries Ltd
• Sandvik Materials Technology
• STEELYNX
• The Techint Group
• Ternium
• Voest-Alpine AG：VAI
• Vizag Steel ：VIZAG
• BHP Billiton
• Rio Tinto Aluminium Limited
• Rio Tinto/li>
• Osterreichishische Industrieholding AG
• BlueScope Steel Ltd