| REGULAR MEMBERS | ASSOCIATE MEMBERS |
|---|---|
| Rio Tinto plc | Eurofer - European Confederation of Iron and Steel Industries |
| Companhia Vale do Rio Doce SA | UNESID - Union de Empresas Siderurgicas |
| Samarco Mineração S.A. | |
| LKAB | |
| Metalloinvest Management Company, LLC | |
| International Pig Iron Association | |
| Hot Briquetted Iron Association | |
| International Molybdenum Association | |
| Tennant Metallurgical Group Ltd. | |
| ArcelorMittal REACH Only Representative | |
| Glencore International Import BV | |
| International Tungsten Industry Association | |
| MMK International SA | |
| Süd-Chemie AG | |
| Xstrata Alloys | |
| Assmang Ltd. | |
| MFG Metall- und Ferrolegierungsgesellschaft mbH | |
| London & Scandinavian Metallurgical Co. Ltd | |
| Meca-Trade Oy | |
| Eramet SA | |
| Anglo American REACH Ltd. | |
| Knauf Insulation Holding GmbH | |
| Tata Steel UK Holdings Ltd | |
| Johnson Matthey Catalysts | |
| SC TMK-Artrom SA | |
| SeverStal Trade Ges.mbH | |
| BASF SE | |
| Novexco [Cyprus] Limited | |
| BHP Billiton Marketing BV | |
| European Welding Association | |
| Corrugados Azpeitia S.L | |
| Saint Gobain PAM FTDI | |
| Rautaruukki Oyj | |
| ISD Dunaferr Co. Ltd. | |
| Megasa Group | |
| voestalpine Stahl GmbH | |
| Tubos Reunidos S.A. | |
| U.S. Steel Kosice, s.r.o. | |
| Celsa Manufacturing [UK] Ltd. | |
| Lech-Stahlwerke GmbH | |
| Huettenwerke Krupp Mannesmann GmbH | |
| ThyssenKrupp Stahl AG | |
| Green Steel S.A. | |
| AG der Dillingerhuettenwerke | |
| Gerdau Sidenor S.L. | |
| Saaratahl AG | |
| Steel Invest & Finance S.A. | |
| Aceros Inoxidables Olarra S.A. | |
| Pometon S.p.A. | |
| Salzgitter Flachstahl GmbH | |
| FNsteel Oy Ab | |
| Halyvourgiki Inc. | |
| Aceria de Alava S.A. | |
| SSAB Tunnplat AB | |
| Ilva S.P.A. | |
| AG Siderurgica Balboa S.A. | |
| Stahlwerk Thueringen GmbH | |
| Höganäs Sweden AB | |
| Lucchini SpA | |
| Dalmine SpA | |
| Haldor Topsoe A/S | |
| Acciaieria Arvedi SpA | |
| Trinecke Železarny, a. s. | |
| Alta a. s. | |
| Železiarne Podbrezová a.s. | |
| Rana Gruber AS | |
| Chrome Alloys Consortium | |
| Metinvest International Italia Srl | |
| CBMM Europe BV | |
| Possehl Kehrmann GmbH | |
| Sahaviriya Steel Industries UK Ltd. | |
| Ovako AB | |