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

Baosteel Group Corporation
BÖHLER-UDDEHOLM AG
BCS Industries, LLC
Beitai Iron & Steel Group Co., Ltd.
Berg Steel Pipe Corp.
BlueScope Steel Limited

California Steel Industries, Inc.
Canam Steel Corporation
Caparo Group Limited
Cascade Steel Rolling Mills, Inc.
Castrip LLC
Charter Manufacturing Company, Inc.
China Gerui Advanced Materials Group Limited [CHOP]
China Oriental Group Company Limited
China Precision Steel, Inc. [CPSL]
China Steel Corporation
Chongqing Iron and Steel Co., Ltd.
CHS Acquisition Corp.
Cogent Power Ltd.
Columbus Stainless (Pty) Ltd
Commercial Metals Company [CMC]
Companhia Siderúrgica Nacional [SID]
Crucible Industries LLC

Daido Steel Co., Ltd.
Dalmine S.p.A.
Dongbu Steel Co., Ltd.
Dongkuk Steel Mill Co., Ltd.
Duferco Farrell Corp.

Eregli Iron and Steel Works Co.
Ervin Industries, Inc.
Essar Group
Essar Steel Algoma Inc.
Evraz Claymont Steel
Evraz Claymont Steel Holdings, Inc.
Evraz Group S.A.
Evraz Highveld Steel and Vanadium Limited [HSVLF]
Evraz Inc. NA

Friedman Industries, Incorporated [FRD]

Gallatin Steel Company
General Steel Holdings Inc. [GSI]
Gerdau Ameristeel US Inc.
Gerdau S.A. [GGB]
Gibraltar Industries, Inc. [ROCK]
Global Steel Wire S.A.
Greer Industries, Inc.
Greer Steel Company
Grupo Simec, S.A. de C.V. [SIM]

Hanna Steel Corporation
Hannibal Industries, Inc.
Hanwa Co., Ltd.
Harris Steel Group Inc.
Harsco Corporation [HSC]
Hunan Valin Iron & Steel Group Co. Ltd.
Hyundai Hysco
Hyundai Steel Company

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]
Jiangsu Shagang Group Co., Ltd.
Jindal Steel & Power Limited
Jiuquan Iron and Steel (Group) Co., Ltd.
Johnstown Wire Technologies, Inc.
JSL Limited
JSW Steel Limited

Keystone Consolidated Industries, Inc. [KYCN]
Kobe Steel USA Inc
Kobe Steel, Ltd.

Lion Industries Corporation Berhad
Lung Kee (Bermuda) Holdings Limited

Maanshan Iron & Steel Co., Ltd. [MAANF]
Mangels Industrial S.A.
Marubeni-Itochu Steel Inc.
McWane, Inc.
Mechel OAO [MTL]
Metal-Matic, Inc.
Metalúrgica Gerdau S.A.
Metals USA Holdings Corp.

NanJing Iron & Steel Co., Ltd.
Nelsen Steel and Wire, L.P.
Nippon Metal Industry Co., Ltd.
Nippon Steel & Sumitomo Metal Corporation
Nippon Yakin Kogyo Co., Ltd.
Nisshin Steel Holdings Co., Ltd.
North American Stainless
North Star BlueScope Steel LLC
Northwest Pipe Company [NWPX]
Nucor Corporation [NUE]
Nucor Steel Marion, Inc.
Nucor-Yamato Steel Company

OAO Severstal
OJSC Novolipetsk Steel
Okaya & Co., Ltd.
Oklahoma Steel and Wire Co., Inc.
OneSteel Limited
Ossen Innovation Co., Ltd. [OSN]
Outokumpu Oyj

Phoenix Tube Company, Inc.
Plymouth Tube Company
POSCO [PKX]
PTC Alliance Holdings Corp.

Qingdao Iron and Steel Group Company

Rasselstein GmbH
RathGibson LLC
Rautaruukki Oyj
Republic Steel
RG Steel, LLC

Sandvik Materials Technology
Searing Industries, Inc.
Severstal North America, Inc.
Severstal Warren, Inc.
Severstal Wheeling, Inc.
Seymour Tubing, Inc.
Shanxi Taigang Stainless Steel Co., Ltd
Shougang Concord International Enterprises Company Limited
Shougang Corporation
Siderar Sociedad Anónima Industrial y Comercial
Southland Tube, Inc.
SSAB Enterprises, LLC
SSAB Svenskt Stål Aktiebolag
Steel Authority of India Limited
Steel Dynamics Roanoke Bar Division
Steel Dynamics, Inc. [STLD]
Sumitomo Pipe & Tube Co., Ltd.
SunCoke Energy Partners, L.P. [SXCP]
SunCoke Energy, Inc. [SXC]
Sutor Technology Group Limited [SUTR]
Synalloy Corporation [SYNL]

Taiyuan Iron and Steel (Group) Co., Ltd.
TAMCO Steel
Tangshan Iron and Steel Co., Ltd.
Tata Sons Limited
Tata Steel Europe Limited
Tata Steel Limited
Tata Steel Speciality
Taubensee Steel & Wire Company
Tenaris S.A. [TS]
TenarisSiderca
Ternium Mexico S.A. de C.V.
Ternium S.A. [TX]
Tex-Tube Company
The Troxel Company
Thomas Steel Strip Corp.
ThyssenKrupp AG
ThyssenKrupp Electrical Steel GmbH
ThyssenKrupp Nirosta GmbH
ThyssenKrupp Steel Europe 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.

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

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

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

Xinxing Ductile Iron Pipes Group Co., Ltd

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