| Alfa Acciai SpA | Brescia | Brescia | Italy |
| Altos Hornos | Monclovia | Monterrey | Mexico |
| Arcelor Mittal | El Hadjar | Annaba | Algeria |
| Arcelor Mittal -Industeel | Industeel Belgium | Charleroi | Belgium |
| Arcelor Mittal -Industeel | Industeel Creusot | Creusot | France |
| Arcelor Mittal | Chertal | Seraing | Belgium |
| APERAM Stainless | Carinox | Genk | Belgium |
| Arcelor Mittal | Sidmar | Gent | Belgium |
| Arcelor Mittal | Atlantique | Dunkerque | France |
| Arcelor Mittal- Industeel | Site de Châteauneuf | Rive de Gier | France |
| Arcelor Mittal | Méditerannée | Fos-sur-Mér | France |
| Arcelor Mittal | EKO Stahl GmbH | Eisenhüttenstadt | Germany |
| Arcelor Mittal | HSW | Hamburg | Germany |
| Arcelor Mittal | Ruhrort | Duisburg | Germany |
| Arcelor Mittal | Bremen | Bremen | Germany |
| Arcelor Mittal | Stw Thüringen | Thüringen | Germany |
| Arcelor Mittal | Arbed | Differdingen | Luxembourg |
| Arcelor Mittal | Arbed | Esch-Belval | Luxembourg |
| Arcelor Mittal | Arbed | Schifflingen | Luxembourg |
| Arcelor Mittal | Sidex | Galati | Romania |
| Arcelor Mittal | Refractories | Krakau | Poland |
| Arcelor Mittal | Dabrowa Gornicza | Krakau | Poland |
| Arcelor Mittal | Nova Huta | Kattowice | Poland |
| Arcelor Mittal | Aceralia | Verina | Spain |
| Arcelor Mittal | Nova Huta | Kattowice | Poland |
| Arvedi | Cremona | Cremona | Italy |
| Ascometal | Fos | Fos | France |
| Ascometal | Hagondange | Hagondange | France |
| Ascometal | Allevard | Le Cheylas | France |
| Ascometal | Dunkerque | Dunkerque | France |
| Aurubis AG | Hamburg | Hamburg | Germany |
| Badische Stahlwerke GmbH | BSW | Kehl / Rhein | Germany |
| Baku Steel Company | Baku | Baku | Azerbaijan |
| Beltrame | LME | Trith Saint - Leger | France |
| Benteler Stahl / Rohr GmbH | Lingen | Paderborn | Germany |
| Brandenburger Elektrostahlwerke | BES | Brandenburg | Germany |
| Buderus Edelstahl GmbH | Buderus | Wetzlar | Germany |
| Burwitz Montage | Peine | Peine | Germany |
| Carsid SA | Carsid | Marcinelle | Belgium |
| Celsa France S.A.S. | Boucau | Boucau | France |
| Amurmetall | Amurmetall | Komsomolsk | Russia |
| Asha Steel | ASW | Asha | Russia |
| Evraz Holding | NKMK | Novokuznetsk | Russia |
| Evraz Holding | NTMK | Nizhniy Tagil | Russia |
| Evraz Holding | ZSMK | Novokuznetsk | Russia |
| Kamasteel | KMST | Perm | Russia |
| Magnotagorsk Steel | MMK | Magnotagorsk | Russia |
| Mechel Group | MEW-Mechel | Cheylabinsk | Russia |
| Novolipestk Steel | NLMK | Lipetsk | Russia |
| Oskol | OMK | Vyksa | Russia |
| Revda | RW | Revda | Russia |
| Seversky Pipe | SPP | Polevskoie | Russia |
| Severstal | Severstal | Cherepovets | Russia |
| Taganrog Steelworks | Taganrog Steelwork | Taganrog | Russia |
| VPO | VPO | Moskow | Russia |
| TMK | VPP-TMK | Volzhskiy | Russia |
| Deutsche Edelstahlwerke | DEW | Witten | Germany |
| Deutsche Edelstahlwerke | DEW | Siegen | Germany |
| Deutsche Gießdraht | Emmerich | Emmerich | Germany |
| Dillinger Hüttenwerke AG | Dillinger Hütte | Dillingen | Germany |
| Edelstahl Siegen GmbH | BGH | Freital | Germany |
| Eisenwerk Böhmer & Co. KG | | Witten | Germany |
| EKW | EKW | Eisenberg / Pfalz | Germany |
| Engineering Steel Belgium | ESB | Seraing | Belgium |
| Erasteel | Erasteel | Söderfors | Sweden |
| Erdemir | Eregli Demir | Eregli | Turkey |
| Gothia Mineralteknik AB | Onsala | Onsala | Sweden |
| Esser GmbH | Esser | Freital | Germany |
| Fematec Engineer- + HG mbH | Fematec | Dessau | Germany |
| Feralpi | Elbe-Stahlwerke | Riesa | Germany |
| Georgsmarienhütte GmbH | GMH | Osnabrück | Germany |
| Glauch Systems | Glauch Systems | Lohmar | Germany |
| Ferriere Nord SpA | Osoppo | Osoppo / Udine | Italy |
| Gleser | | Fos sur Mer | France |
| GMD Refractarios Abaltex SA | Abaltex | Barcelona | Spain |
| GRB Minerals Ltd | Tata Steel | | England |
| GSB Group GmbH | Bochum | Bochum | Germany |
| Hüttenwerke Krupp Mannesmann | HKM | Duisburg | Germany |
| Lech Stahlwerke GmbH | Lechstahl | Herbertshofen | Germany |
| LOEWE-IndustrieOfenBau GmbH | Oberhausen | Oberhausen | Germany |
| Lucchini SpA | Piombino | Piombino | Italy |
| Magnezit Group Europe GmbH | | | Germany |
| Metallurgica | Metallurgica | Mülheim an der Ruhr | Germany |
| Metinvest | EMZ | Enakievo | Ukraine |
| Moldovian Metallurgical Works | SZOA | Rybnica | Moldova |
| Outokumpu | TKN Bochum | Bochum | Germany |
| Outokumpu | TKN Nirosta Krefeld | Krefeld | Germany |
| Outokumpu | TKN Krefeld | Krefeld | Germany |
| PA-HA-GE | Viersen | Viersen | Germany |
| Pasek España S.A.U. | Castellbisbal | Barcelona | Spain |
| Peiner Träger GmbH | Salzgitter / Peine | Peine | Germany |
| RIVA Group | BES | Brandenburg | Germany |
| RIVA Group | HES | Henningsdorf | Germany |
| Romsteel Bearings | Essen | Essen | Germany |
| Saarstahl | Völklingen | Völklingen | Germany |
| Salzgitter AG | Flachstahl GmbH | Salzgitter | Germany |
| Salzgitter AG | Peine Träger GmbH | Peine | Germany |
| Senit GmbH & Co. KG | Senit | Gelsenkirchen | Germany |
| Sigmaref | Bratislava | Bratislava | Slovakia |
| SOVEL | | | Greece |
| SSAB | Lulea | Lulea | Sweden |
| SSAB | Oxelösund | Oxelösund | Sweden |
| Stahlwerk Bous | GMH | Bous | Germany |
| Tata Steel Limited | IJmuiden | IJmuiden | Netherlands |
| Tata Steel Limited | Jamshedpur | Jharkhand | India |
| Theramer GmbH | Schwelm | Schwelm | Germany |
| Thyssen Krupp Steel AG | Beeckerwerth OX II | Duisburg | Germany |
| Thyssen Krupp Steel AG | Bruckhausen OX I | Duisburg | Germany |
| Thyssen Krupp Steel AG | Bruckhausen GWA | Duisburg | Germany |
| Thyssen Krupp Steel AG | Hamborn | Duisburg | Germany |
| Thyssen Krupp Steel AG | Schwelgern I, II | Duisburg | Germany |
| Thyssen Krupp Steel AG | CSA | Sepetiba | Brazil |
| TMK | Resita | Resita | Romania |
| Trierer Stahlwerke GmbH | TSW | Trier | Germany |
| U.S. Steel | Kosice | Kosice | Slovakia |
| U.S. Steel | Smederevo | Smederevo | Serbia |
| Vallourec | | Belo Horizonte | Brazil |
| Vallourec | MG Valdunes | Saint Saulve | France |
| voestalpine | Linz | Linz | Austria |
| Winoa | Wheelabrator | Le Cheylas | France |
