Boardroom Alpha
10-K primary document
WS · Annual Report (Form 10-K) · Filed July 30, 2026

Worthington Steel Inc — 10-K exhibit

ws-ex21_1.htm
EX-21.1

Exhibit 21.1

SUBSIDIARIES OF WORTHINGTON STEEL, INC.

 

The following is a list of the subsidiaries, direct and indirect, of Worthington Steel, Inc. as of July 30, 2026. The names of indirectly-owned subsidiaries are indented under the names of their respective immediate parents:

 

Subsidiaries

 

 

 

 

 

Place of Organization

Cleveland Pickling, Inc.

Delaware

WSMX Holdings, LLC (1)

Ohio

 

Worthington Steel Mexico, S.A. de C.V. (1)

Mexico

Tempel Steel Company, LLC

Illinois

 

T do B, LLC

Illinois

 

Tempel Canada Company

Canada

 

Tempel de Mexico, S. de R.L. de C.V.

Mexico

 

Temple HK Holding Co., Limited

Hong Kong

 

 

Tempel Changzhou Precision Metal Products Co. Ltd.

China

 

Tempel Precision Metal Products India Pvt. Ltd.

India

 

S.I.T.E.M. S.p.A. (2)

Italy

 

 

Decoup S.A.S.

France

 

 

Sitem Slovakia spol. s r.o.

Slovakia

 

 

Stanzwerk AG

Switzerland

 

 

Tempel Steel Europe GmbH

Germany

The Worthington Steel Company

Ohio

 

Worthington Steel Holding GmbH

Germany

 

 

Worthington Steel GmbH

Germany

 

 

 

Klöckner & Co SE (3)

Germany

 

 

 

 

ODS Metering Systems B.V.

Netherlands

 

 

 

 

 

ODS Belgium B.V. (4)

Belgium

 

 

 

 

 

ODS do Brasil Sistemas de Medicao Ltda.

Mexico

 

 

 

 

 

ODS Metering Systems Asia Pacific Pte. Ltd.

Singapore

 

 

 

 

 

ODS Middle East FZE

United Arab Emirates

 

 

 

 

 

ODS Saudi Co. LLC

Saudi Arabia

 

 

 

 

 

 

ODS for Maintenance

Saudi Arabia

 

 

 

 

Debrunner Koenig AG

Switzerland

 

 

 

 

 

Simfloc AG

Switzerland

 

 

 

 

 

PC-Tech S.A.

Switzerland

 

 

 

 

 

Müller Wüst AG

Switzerland

 

 

 

 

 

Debrunner Metallservice AG

Switzerland

 

 

 

 

 

Debrunner Bewetec AG

Switzerland

 

 

 

 

 

Debrunner Bewehrungstechnik AG

Switzerland

 

 

 

 

 

Debrunner Acifer AG

Switzerland

 

 

 

 

Klöckner USA Holding Inc.

Delaware

 

 

 

 

 

Kloeckner Metals Corporation

Delaware

 

 

 

 

 

 

Kloeckner Metals Service Centers de Mexico, S. de R.L. de C.V.

Mexico

 

 

 

 

 

 

 

Kloeckner Specialty Metals de Mexico, S. de R.L. de C.V.

Mexico

 

 

 

 

 

 

 

 

NMML Asia, Limited

Hong Kong

 

 

 

 

 

 

Kloeckner Metals P.R., Inc.

Delaware

 

 

 

 

 

 

California Steel and Tube, LLC

Delaware

 

 

 

 

 

 

Kloeckner Metals Relief Fund, Inc.

Delaware

 

 

 

 

 

 

International Machinery Sales, Inc.

South Carolina

 

 

 

 

 

 

Amerinox Processing, Inc.

New Jersey

 

 

 

 

 

 

Kloeckner Acquisitions, LLC

Delaware

 

 

 

 

 

Kloeckner Metals Germany GmbH

Germany

 

 

 

 

 

 

Ambo Stahl GmbH.

Germany

 

 

 

 

 

 

Klöckner Stahl und Metall Ges.m.b.H.

Austria

 

 

 

 

 

Becker Stahl-Service GmbH

Germany

 

 

 

 

 

 

Becker Aluminum-Service GmbH

Germany

 

 

 

 

 

 

Becker Stainless GmbH

Germany

 


 

 

 

 

 

 

 

 

Becker Stainless Center GmbH

Germany

 

 

 

 

 

 

Umformtechnik Stendal GmbH

Germany

 

 

 

 

 

 

 

Umformtechnik Stendal UTS s.r.o.

Slovakia

 

 

 

 

 

 

XOM Materials GmbH

Germany

 

 

 

 

 

 

Klöckner & Co Financial Services S.A.

Luxembourg

 

 

 

 

 

 

kloeckner.i GmbH

Germany

 

 

 

 

 

 

Klöckner & Co Center of Excellence GmbH

Germany

 

 

 

 

 

 

kloeckner.v GmbH

Germany

 

 

 

 

 

 

 

Paua Ventures Co-Invest 2 GmbH & Co. KG

Germany

 

 

 

 

 

 

 

HV Holtzbrinck Ventures Fund VIII GmbH & Co.

Germany

 

 

 

 

 

 

 

Unternehmertum VC Fonds III GmbH & Co. KG

Germany

 

 

 

 

 

 

 

SquareOne Fonds 2 GmbH & Co. KG

Germany

 

 

 

 

 

 

 

468 Capital GmbH & Co. KG

Germany

 

 

 

 

 

 

 

Target Global Growth Fund II, SCSp-RAIF

Luxembourg

 

 

 

 

 

 

 

BigRep GmbH

Germany

 

 

 

 

 

 

 

 

Keelvar System Ltd.

Ireland

 

Worthington Taylor, LLC

Michigan

 

Worthington Receivables Company, LLC

Delaware

 

Worthington Steel HQ, LLC

Ohio

The Worthington Steel Company, LLC

Ohio

Worthington Steel Rome, LLC

Ohio

Worthington Steel Services, LLC

Ohio

Worthington WSP, LLC

Michigan

WS Mexico Holdings, LLC (1)

Ohio

WS Escrow LLC

Delaware

 

 

 

 

 

 

 

 

 

 

Joint Ventures

 

 

 

 

 

Place of Organization

Serviacero Planos, S. de R.L. de C.V. (5)

Mexico

Spartan Steel Coating, L.L.C. (6)

Michigan

TWB Company, L.L.C. (7)

Michigan

 

Tailor Welded Blanks of Canada, Inc.

Canada

 

TWB of Ohio, Inc.

Ohio

 

TWB Industries, S.A. de C.V. (8)

Mexico

 

TWB de Mexico, S.A. de C.V. (8)

Mexico

Worthington Samuel Coil Processing LLC (9)

Ohio

Worthington Specialty Processing

Michigan

 

ProCoil Company, LLC

Delaware

Birs-Stahl AG (10)

Switzerland

Kloeckner Metalls Austria GmbH & Co KG (11)

Germany

 

(1)
Worthington Steel Mexico, S.A. de C.V. is a consolidated joint venture that is jointly owned by WSMX Holdings, LLC and WS Mexico Holdings, LLC.
(2)
Consolidated joint venture with 52% owned by Tempel Steel Company, LLC and remaining 48% by collection of private investors.
(3)
Worthington Steel GmbH owns approximately 62% of Klöckner & Co SE's total outstanding share capital.
(4)
The remaining 20% of the equity of ODS Belgium B.V. is owned by Wim Ponet (at 10%) and Filip Van Meel (at 10%).
(5)
Unconsolidated joint venture with 50% owned by Worthington Steel Mexico, S.A. de C.V. and 50% owned by Inverzer, S.A. de C.V.
(6)
Consolidated joint venture with 52% owned by Worthington WSP, LLC and 48% owned by Cleveland-Cliffs Steel Inc.
(7)
Consolidated joint venture with 55% owned by Worthington WSP, LLC and 45% owned by a subsidiary of Baosteel Tailored Blanks International GmbH.
(8)
Consolidated joint venture ownership with 99% owned by TWB Company, LLC and 1% owned by TWB of Ohio, Inc.
(9)
Consolidated joint venture with 63% owned by Cleveland Pickling, Inc. and 37% owned by Samuel Manu-Tech Pickling Inc.
(10)
50% of the equity of Birs-Stahl AG is owned by Debrunner Acifer AG and 50% is owned by Spaether AG.
(11)
51% of Kloeckner Metalls Austria GmbH & Co KG is owned by Klöckner Stahl und Metall Ges.m.b.H. and 24.5% is owned by Manfred J.C. Niemann Beteiligungs-GmbH and at 24.5% is owned by and Manfred J.C. Niemann Metallhandels-GmbH (at 24.5%). This is a joint venture partnership (limited partnership / KG) with Niemann.

 


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