| Name | Country | Market Cap (US$) |
|---|
| 1. ceske servis centrum, spol. s r.o. | Czech Republic | Private |
| 1452938 Ontario Ltd | Canada | Private |
| 2 JCP a.s. | Czech Republic | Private |
| 231775 Ontario Limited | Canada | Private |
| 3v Inc. | United States | Private |
| A & G Engineering (Vic) Pty Ltd | Australia | Private |
| A H W STEELS LIMITED | India | Private |
| A R S METALS PRIVATE LIMITED | India | Private |
| A. B. Steel Mill, Inc. | United States | Private |
| A.C.N. 061 131 333 PTY LIMITED | Australia | Private |
| A.T.R. Spa | Italy | Private |
| AARTI INTERNATIONAL LIMITED | India | Private |
| Abco Industries Incorporated | United States | Private |
| ACCIAI VENDER SPA | Italy | Private |
| ACCIAIERIA DI RUBIERA SPA | Italy | Private |
| ACCIAIERIA FONDERIA CIVIDALE SPA | Italy | Private |
| ACCIAIERIA VALSUGANA SPA | Italy | Private |
| ACCIAIERIE DI SICILIA SPA | Italy | Private |
| ACCIAIERIE VALBRUNA SPA | Italy | Private |
| ACCIAIERIE VALBRUNA SPA | Italy | Private |
| Aceites y Solventes Venezolanos Vassa, S.A. | Venezuela | Private |
| ACERBRAG S.A. | Argentina | Private |
| Acerias De Caldas Sa | Colombia | Private |
| Aceros Corsa, S.A. de C.V. | Mexico | Private |
| Aceros y Maquinaría de Monterrey, S.A. de C.V. | Mexico | Private |
| ACERTEC CONSTRUCTION PRODUCTS LTD | United Kingdom | Private |
| Acetex Corporation | Canada | Private |
| ACHESON INDUSTRIES (EUROPE) LTD | United Kingdom | Private |
| Acheson Industries Deutschland | Germany | Private |
| ACIERIES DE BONPERTUIS | France | Private |
| ACIERIES ET LAMINOIRS DE RIVES | France | Private |
| Aciers Inoxydables Gastier Inc, Les | Canada | Private |
| Acordis | Netherlands | Private |
| ACRONI D.O.O. | Slovenia | Private |
| ADDINOL Lube 0il GmbH | Germany | Private |
| AddisonMckee Ltd | United Kingdom | Private |
| Aditivos EP, S.A. de C.V. | Mexico | Private |
| ADK D.O.O. | Slovenia | Private |
| Adriastrade Srl | Italy | Private |
| Advanced Aromatics, L.P. | United States | Private |
| Advansa BV | Netherlands | Private |
| AFFIVAL | France | Private |
| Affival Inc. | United States | Private |
| Agecom Produtos de Petróleo Ltda. | Brazil | Private |
| AGIP Hungaria Zartkoruen Mukodo Reszvenytarsasag | Hungary | Private |
| Agri-Energy, Llc | United States | Private |
| AKITA ZINC SOLUTIONS CO., LTD. | Japan | Private |
| Aktien-Gesellschaft der Dillinger Hüttenwerke (Société Anonyme d | Germany | Private |
| Akzo Nobel Base Chemicals B.V. | Netherlands | Private |
| Akzo Nobel Chemicals (India) Limited | India | Private |
| Akzo Nobel Chemicals Inc | United States | Private |
| Akzo Nobel Faser AG | Germany | Private |
| Akzo Nobel Inc. | United States | Private |
| AL HAMRANI FUCHS PETROLEUM PRODUCTS COMPANY | Saudi Arabia | Private |
| AL HAMRANI FUCHS PETROLEUM SAUDI ARABIA LTD | Saudi Arabia | Private |
| AL JAZERA FACTORIES FOR STEEL PRODUCTS LTD | Saudi Arabia | Private |
| AL USAIMI FACTORY FOR INDUSTRIAL STEEL | Saudi Arabia | Private |
| Albright & Wilson (Australia) Limited | Australia | Private |
| Alcan Airex AG | Switzerland | Private |
| Alcan Packaging Rorschach AG | Switzerland | Private |
| Alcantara S.p.A. | Italy | Private |
| ALCHEMY STEEL MFG CO., LTD. | Taiwan | Private |
| Alco Corporation | United States | Private |
| ALERT STEEL (PTY) LTD | South Africa | Private |
| All American Asphalt | United States | Private |
| ALLTECH METAL | France | Private |
| Alluminium Africa Limited | Tanzania | Private |
| Almac Wear Technologies Ltd | Canada | Private |
| ALOK INGTOS MUMBAI PRIVATE LIMITED | India | Private |
| Alro NV | Belgium | Private |
| Altai-Koks OAO | Russia | Private |
| Althammer GmbH u. Co. KG Edelstahlbau | Germany | Private |
| Altivia Corporation | United States | Private |
| Alton Steel Inc | United States | Private |
| ALTRA Nebraska LLC | United States | Private |
| Alural Lummen NV | Belgium | Private |
| Amalie Oil Company | United States | Private |
| American Acryl Lp | United States | Private |
| American Appliance Products, Inc | United States | Private |
| American Asphalt Paving Co Inc. | United States | Private |
| AMIANTIT FIBERGLASS INDUSTRIES INDIA PRIVATE LIMITED | India | Private |
| AMIR KABIR PETROCHEMICAL COMPANY | Iran | Private |
| AMSTEEL MILLS SDN BHD | Malaysia | Private |
| Anciens établissements Yvens Decroupet SA | Belgium | Private |
| Angang Group Xinyang Iron and Steel Co.,Ltd. | China | Private |
| Angang Shenyang Steel Processing & Distribution Co., Ltd. | China | Private |
| Angarskaya Neftekhimicheskaya Kompaniya OAO | Russia | Private |
| ANGKASA HONG LEONG PTE LTD | Singapore | Private |
| Anhui Baosteel Steel Distribution Co., Ltd. | China | Private |
| Anhui Changjiang Steel Co., Ltd. | China | Private |
| Anhui Changjiang Steel Co., Ltd. | China | Private |
| Anhui Chemical & Light Industrial General Co. | China | Private |
| Anhui Chizhou Non-Ferrous Metal Group Co., Ltd. | China | Private |
| Anhui Fengle Flavor Co., Ltd. | China | Private |
| Anhui Zhetai Stainless Steel Group Co.,Ltd. | China | Private |
| ANKIT METAL & POWER LIMITED | India | Private |
| Anning Yongchang Iron & Steel Co., Ltd. | China | Private |
| ANSC-TKS Galvanizing Co., Ltd. | China | Private |
| Anshan Baode Iron & Steel Co., Ltd. | China | Private |
| Anshan Baode Steel Co., Ltd. | China | Private |
|
