A. Finkl & Sons Company
Acerinox, S.A.
Acindar Industria Argentina de Aceros S.A.
AK Steel Holding Corporation [AKS]
Alaskan Copper Companies, Inc.
ALJ Regional Holdings, Inc. [ALJJ.PK]
Allegheny Ludlum Corporation
Alro Steel Corporation
Altos Hornos de México, S.A.B. de C.V.
American Cast Iron Pipe Company
American Steel and Aluminum Corporation
AMG Resources Corporation
Angang Steel Company Limited
Anshan Iron and Steel Group Corporation
Anyang Iron & Steel Group Co., Ltd.
ArcelorMittal [MT]
ArcelorMittal Brasil S.A.
ArcelorMittal Europe
ArcelorMittal Inox Brasil
ArcelorMittal South Africa Limited
ArcelorMittal Tubarão - Flat Steel
ArcelorMittal USA - Georgetown
ArcelorMittal USA Inc.
ArcelorMittal Weirton Inc.

Baosteel Group Corporation
Baron Drawn Steel Corporation
Barzel Industries Inc. [TPUTQ.PK]
BÖHLER-UDDEHOLM AG
Böhler-Uddeholm Corporation
BCS Industries, LLC
Berg Steel Pipe Corp.
Berlin Metals LLC
BlueScope Steel Limited
BMG Metals, Inc.
Bralco Metals
Bridon International Limited

California Steel Industries, Inc.
Canam Steel Corporation
Caparo Group Limited
Caparo plc
Carpenter Technology Corporation [CRS]
Cascade Steel Rolling Mills, Inc.
Castrip LLC
Central Plains Steel Co.
Central Steel & Wire Company [CSTW.PK]
Charter Manufacturing Company, Inc.
China Oriental Group Company Limited
China Precision Steel, Inc. [CPSL]
China Steel Corporation
Chongqing Iron and Steel Co., Ltd.
CHS Acquisition Corp.
Cliffs Natural Resources Inc. [CLF]
Cogent Power Ltd.
Columbus Stainless (Pty) Ltd
Commercial Metals Company [CMC]
Companhia Siderúrgica Nacional [SID]
Contractors Steel Company
Corus Construction & Industrial
Corus Engineering Steels
Corus Group Limited
Crucible Materials Corporation

Daido Steel Co., Ltd.
Dalmine S.p.A.
Delta Steel, L.P.
Denman & Davis
Descours & Cabaud
Dofasco Inc.
Dongbu Steel Co., Ltd.
Duferco Farrell Corp.

Eagle Steel Products, Inc.
Earle M. Jorgensen Company
Eregli Iron and Steel Works Co.
Ervin Industries, Inc.
Essar Group
Essar Steel Algoma Inc.
Everglades Steel Corporation
Evraz Claymont Steel
Evraz Claymont Steel Holdings, Inc.
Evraz Group S.A.
Evraz Inc. NA

Feroleto Steel Company, Inc.
Ferragon Corporation
Flame Metals Processing Corporation
Friedman Industries, Incorporated [FRD]
Frontier Steel Company, Inc.

Gallatin Steel Company
General Steel Holdings Inc. [GSI]
Gerdau Ameristeel Corporation [GNA]
Gerdau S.A. [GGB]
Gibbs Wire & Steel Co., Inc.
Gibraltar Industries, Inc. [ROCK]
Global Steel Wire S.A.
Great Northern Iron Ore Properties [GNI]
Greer Industries, Inc.
Greer Steel Company
Grupo Simec, S.A. de C.V. [SIM]
Grupo Villacero

Handan Iron & Steel Co., Ltd.
Hanna Steel Corporation
Hannibal Industries, Inc.
Hanwa Co., Ltd.
Harris Steel Group Inc.
Harsco Corporation [HSC]
Haynes International, Inc. [HAYN]
Hickman, Williams & Company
Highveld Steel and Vanadium Corporation Limited [HSVLF.PK]
Hunan Valin Iron & Steel Group Co. Ltd.
Hynes Industries Inc.
Hyundai Hysco
Hyundai Steel Company

IMS International Metal Service
Industrias CH, S.A.B. de C.V.
Inner Mongolia BaoTou Steel Union Co.
Insteel Industries, Inc. [IIIN]

Jackson Tube Service, Inc.
JFE Holdings, Inc. [JFEEF.PK]
Jiangsu Shagang Group Co., Ltd.
Jiuquan Iron and Steel (Group) Co., Ltd.
Johnstown Wire Technologies, Inc.
JSL Limited
JSW Steel Limited

Kane Steel Company
Keystone Consolidated Industries, Inc. [KYCN.OB]
Kobe Steel USA Inc
Kobe Steel, Ltd.
Kreher Steel Company, LLC

Lakeside Steel Inc.
Lapham-Hickey Steel Corp.
Lion Industries Corporation Berhad
Lung Kee (Bermuda) Holdings Limited

Maanshan Iron & Steel Co., Ltd. [MAANF.PK]
Macsteel Service Centers USA
Macsteel Service Centres SA (Pty) Limited
Majestic Steel USA Inc.
Mangels Industrial S.A.
Marubeni-Itochu Steel America Inc.
Marubeni-Itochu Steel Inc.
McWane, Inc.
Mechel OAO [MTL]
Medley Steel and Supply, Inc.
Metal-Matic, Inc.
Metalúrgica Gerdau S.A.
Metalico, Inc. [MEA]
Metalloyd Ltd.
Metals USA Holdings Corp.
MISA Metals, Inc.

NanJing Iron & Steel Co., Ltd.
Nelsen Steel and Wire Company, Incorporated
Niagara Corporation
Nippon Metal Industry Co., Ltd.
Nippon Steel Corporation [NISTY.PK]
Nippon Yakin Kogyo Co., Ltd.
Nisshin Steel Co., Ltd.
Norfolk Iron & Metal Co.
North American Stainless
North Shore Supply Company
North Star BlueScope Steel LLC
Northern Steel Group, Inc.
Northwest Pipe Company [NWPX]
Nucor Corporation [NUE]
Nucor Steel Marion, Inc.
Nucor-Yamato Steel Company

O'Neal Steel, Inc.
OAO Severstal
OJSC Novolipetsk Steel
Okaya & Co., Ltd.
Oklahoma Steel and Wire Co., Inc.
Olympic Steel, Inc. [ZEUS]
OmniSource Corporation
OneSteel Limited
Outokumpu Oyj

Pacesetter Steel Service, Inc.
Pacific Steel & Recycling, Inc.
Paragon Industries, Inc.
PDM Steel Service Centers, Inc.
Peerless Steel Corporation
Phoenix Tube Company, Inc.
Plymouth Tube Company
PNA Group Holding Corporation
POSCO [PKX]
Precision Steel Warehouse, Inc.
Precision Strip Inc.
Premier Steel, Inc.
PTC Alliance Corp.

Qingdao Iron and Steel Group Company

Rasselstein GmbH
RathGibson, Inc.
Rautaruukki Oyj
Republic Engineered Products, Inc.
Russel Metals Inc.
Ruukki UK Ltd.
Ryerson Inc.

Sabel Steel Service, Inc.
Samuel, Son & Co. Ltd.
Sandvik Materials Technology
Schnitzer Steel Industries, Inc. [SCHN]
Searing Industries, Inc.
Severstal North America, Inc.
Severstal Warren, Inc.
Severstal Wheeling, Inc.
Seymour Tubing, Inc.
Shanghai Alison Group Co., Ltd.
Sharon Coating, LLC
Sharon Tube Company
Shougang Concord International Enterprises Company Limited
Shougang Corporation
Siderar Sociedad Anónima Industrial y Comercial
Siskin Steel & Supply Company, Inc.
Southland Tube, Inc.
SSAB Enterprises, LLC
SSAB Svenskt Stål Aktiebolag
Steel Authority of India Limited
Steel Dynamics Roanoke Bar Division
Steel Dynamics, Inc. [STLD]
Steel Warehouse Company, Inc.
Sumitomo Metal Industries, Ltd. [SMMLY.PK]
Sumitomo Pipe & Tube Co., Ltd.
Superior Group, Inc.
Sutor Technology Group Limited [SUTR]
Synalloy Corporation [SYNL]

Taiyuan Iron and Steel (Group) Co., Ltd.
TAMCO Steel
Tampa Bay Steel Corporation
Tangshan Iron and Steel Co., Ltd.
Tata Steel Limited
Taubensee Steel & Wire Company
Tenaris S.A. [TS]
TenarisSiderca
Ternium Mexico S.A. de C.V.
Ternium S.A. [TX]
Tex-Tube Company
The Mill Steel Company
The Renco Group Inc.
The Thompson Companies
The Troxel Company
Thomas Steel Strip Corp.
ThyssenKrupp AG
ThyssenKrupp Electrical Steel GmbH
ThyssenKrupp Materials NA, Inc.
ThyssenKrupp Nirosta GmbH
ThyssenKrupp Stainless AG
ThyssenKrupp Steel AG
Tokyo Rope Mfg. Co., Ltd.
Tokyo Steel Manufacturing Co., Ltd.
TOPY Industries Limited
Toyota Tsusho Corporation
Tubacex, S.A.
Tubos de Acero de México, S.A.
Tubos Reunidos, S.A.
Tubular Steel, Inc.
TW Metals, Inc.

U. S. Steel Kosice, s.r.o.
U.S. Steel Canada Inc.
Ulbrich Stainless Steels & Special Metals, Inc.
Union Electric Steel Corporation
United Scrap Metal, Inc.
United Stars, Inc.
United Steel Service, Inc.
Universal Stainless & Alloy Products, Inc. [USAP]
USS-POSCO Industries

V & M do BRASIL S.A.
V & M Star, LP
Vale S.A. [VALE]
Vallourec & Mannesmann Tubes Corporation
Vallourec S.A.
voestalpine AG
voestalpine Austria Draht Gmbh
voestalpine Krems GmbH

Waukesha Foundry, Inc.
Webco Industries, Inc. [WEBC.PK]
Wheeling-Nisshin, Inc.
Wirerope Works, Inc.
Worthington Industries, Inc. [WOR]
Wuhan Iron and Steel (Group) Corporation

Xinxing Ductile Iron Pipes Group Co., Ltd

Yamato Kogyo Co., Ltd.
Yarde Metals, Inc.
Yieh Phui Enterprise Co., Ltd.
Yieh United Steel Corporation