| A.M. Castle & Co | USA |
| ABN AMRO Bank | Netherlands |
| ABN AMRO North America | USA |
| ADS Logistics, LLC | USA |
| Ajogmultibus Enterprise | Nigeria |
| Al Arabi Modern Supplies LLC | USA |
| Alro Steel Corporation | USA |
| American Cast Iron Pipe Company | USA |
| American Steel Masters | USA |
| AMM | USA |
| Arcelor-Mittal | USA |
| ARTCO Steel Corp | USA |
| Arvin Meritor | USA |
| Avalon | USA |
| Badische Stahl-Engineering GmbH | Germany |
| Bank Leumi USA | USA |
| Berenfield Containers, Inc. | USA |
| B&W Custom Truck Beds | USA |
| Berlin Metals | USA |
| Beta Steel Corp | USA |
| Black River Asset Management Company | USA |
| BlueScope Steel North America Corporation | USA |
| BMO Capital Markets | USA |
| BNP Paribas | USA |
| BNSF Railway | USA |
| Boart Longyear Company | USA |
| Boise Cascade | USA |
| Brach Ind. | Germany |
| Bradford Research Inc. | USA |
| Brown McFarlane Ltd | UK |
| Can Corproation of America | USA |
| Canadian National RR | Canada |
| Cargill Ferrous International | USA |
| Cargill Steel Service Centers | USA |
| Celtic Marine Corporation | USA |
| Clipper Steel Services | Netherlands |
| CMI Frieght Trains | USA |
| CMI Industry | USA |
| Coilplus-Illinois, Inc | USA |
| Combined Transport International | USA |
| Companhia Siderurgica Paulista | Brazil |
| Consolidated Systems, Inc | USA |
| Cooper/T.Smith - Stevedoring Co. Inc | USA |
| Corus International - Americas | USA |
| CSN LLC | USA |
| CSX Transportation | USA |
| Deloitte & Touche | USA |
| Deloitte Touche Tohmatsu USA LLP | USA |
| Delta Steel LP | USA |
| DTE Energy | USA |
| Duferco Steel Inc | USA |
| Dynamo | Brazil |
| Eeiko Traders | Pakistan |
| Emerson | USA |
| Eurofer | Belgium |
| Everrich American, LLC | USA |
| Everrich International Investment, Ltd | China |
| Evraz Holding | Russian Federation |
| Feralloy Corporation | USA |
| Ferrostaal AG | Germany |
| Ferrostaal Houston | USA |
| Fidelity Mutual | USA |
| Finansbank | Netherlands |
| Frontier Steel Co. | USA |
| Fortune Steel Resources Ltd | China |
| Fremak Industries, Inc. | USA |
| Gaolian Trading Co, Ltd. | China |
| GKN Armstrong Wheels, Inc. | USA |
| GKN Wheels | UK |
| Goldman Sachs | USA |
| Great Birim Company Limited | Ghana |
| Heidtman Steel Products | USA |
| Highline Capital Management, LLC | USA |
| Honeywell | USA |
| Horizon Steel Co | USA |
| IAT International Inc. | USA |
| IMetals, Inc. | USA |
| Intsel Steel Distributors | USA |
| IPSCO | USA |
| Iron Ore Company of Canada | Canada |
| Jiangsu Sainty Corporation Ltd | China |
| J. Grieg & Co. | Norway |
| John Maneely Company | USA |
| Key Banc Capital Markets | USA |
| Kinder Morgan | USA |
| KLT Automotive and Tublar Products Ltd. | India |
| Koch Supply & Trading Co Ltd. | UK |
| Lafayette Steel & Aluminium | USA |
| Lalani Steel Inc | USA |
| LB Foster Company | USA |
| Liberty Steel / Serverstahl | Germany |
| Lindab, Inc | USA |
| London Metal Exchange | UK |
| MA Research | USA |
| Macsteel USA | USA |
| Magellan Corporation | USA |
| Magic Coil Products | USA |
| Mallory Alexander Int'l Logistics | USA |
| MAN Ferrostaal Inc | USA |
| Maurice Pincoffs | USA |
| Mehta Intertrade | India |
| Medalist Laserfab, Inc | USA |
| MEMCO Barge Line | USA |
| Metalloyd Ltd | UK |
| Metal One America Inc | USA |
| Metal Trade Center | Turkey |
| Metal Supply Co Ltd | USA |
| Metals USA | USA |
| Midrex Technologies | USA |
| Million Link Corp | China |
| Modern Wealth International Ltd | China |
| Monarch Steel Company | USA |
| Moravia Steel | Czech Republic |
| Morgan Hoseph & Co., Inc | USA |
| New Process Steel | USA |
| Newtimes Holding LLC | China |
| Nippon Steel USA | USA |
| Noble Resources | Hong Kong |
| Novosteel North America | Canada |
| Novosteel USA Inc | USA |
| NYMEX | USA |
| OmniSource | USA |
| Oxcar Winski | USA |
| Port of New Orleans | USA |
| Prolamsa, Inc | USA |
| Quaker Chemical | USA |
| Queen City Steel Inc. | USA |
| Reliance Steel & Aluminium | USA |
| R.B.Mehta & Co | India |
| Robert Bosch Corporation | USA |
| Robinson Steel Co Inc | USA |
| Ropner Insurance Service Ltd | UK |
| Ryerson | USA |
| Salzgitter International | USA |
| Salzgitter Mannesmann | USA |
| Samuel Son and Company | USA |
| SES LLC | USA |
| Shanghai Wubo Steel Structure Co.,Ltd | China |
| Sideraco | Germany |
| Star Shipping (Canada Ltd) | Canada |
| Star Shipping AS | Norway |
| Steel Dynamics | USA |
| Steel Manufactures Association | USA |
| Steelco Mediterranean Trading Limited | Cyprus |
| Steelmont Trading | China |
| Stelco | Canada |
| Sumitomo Metal USA, Inc | USA |
| Sunbelt Group LP | USA |
| Sunny International | China |
| Superior Supply & Steel | USA |
| Ternium Hylsa | Mexico |
| Thamesteel Ltd | UK |
| Thanh Long Steel Co Ltd | Viet Nam |
| The David J Joseph Company Ltd | USA |
| The Boston Consulting Group | USA |
| The Steel Index | UK |
| The Times of North West Indiana | USA |
| ThyssenKrupp Steel Services | USA |
| ThyssenKrupp Tailored Blanks | Germany |
| TPC Metals Inc | USA |
| Trinity Industries Inc. | USA |
| UGITECH USA | USA |
| US Steel Corporation | USA |
| Vinson & Elkins, LLP | USA |
| Wall Street Journal | USA |
| Wheeling-Pittsburgh Steel Corp | USA |
| World Metals Global LLC | USA |