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Exhibit 21.1

THE GREENBRIER COMPANIES, INC.

LIST OF SUBSIDIARIES

As of August 31, 2025

Name

State of Incorporation

Names Under Which Does Business (if other than registered name)

Alliance Castings Company, LLC

DE

 

Amsted-Maxion Fundição E Equipamentos Ferroviários S.A.

Brazil

 

Apromat S.A.

Romania

 

ARI Component Venture LLC

DE

 

Astra Rail Project s.r.o.

Slovak Republic

 

Axis, LLC

DE

 

Axis Operating Company LLC

DE

 

Castings LLC

DE

 

GBX Leasing, LLC

DE

 

GBX Leasing 2022-1 LLC

DE

 

GBX Leasing 2022-1 (Canada) Ltd.

Canada

 

GBXL I (Canada) Ltd.

Canada

 

GBXL I, LLC

DE

 

GBXL Holdings, LLC

DE

 

GG Trailers, S.A. de C.V.

Mexico

 

GGSynergy, S.A. de C.V.

Mexico

 

Greenbrier-Astra Rail B.V.

Netherlands

 

Greenbrier Central, LLC

OR

 

Greenbrier – GIMSA, LLC

OR

 

Greenbrier do Brasil Participações Ltda.

Brazil

 

Greenbrier Europe B.V.

Netherlands

 

Greenbrier Europe Holdings, B.V.

Netherlands

 

Greenbrier Europe Holdings II Subsidiary B.V.

Netherlands

 

Greenbrier Germany GmbH

Germany

 

Greenbrier Industries, S.A. de C.V.

Mexico

 

Greenbrier International Holdings II, LLC

OR

 

Greenbrier Leasing Company LLC

OR

Greenbrier Intermodal

Greenbrier Leasing Europe B.V.

Netherlands

 

Greenbrier Leasing Ireland Limited

Ireland

 

Greenbrier Leasing Limited

Nova Scotia, Canada

 

Greenbrier Management Services, LLC

DE

CIT Rail Services

Greenbrier Maxion – Equipamentos e Serviços Ferroviários S.A.

Brazil

 

Greenbrier Maxion Funding I Ltda.

Brazil

 

Greenbrier Middle East Limited Company

Saudi Arabia

 

Greenbrier Omaha LLC

OR

 

Greenbrier Poland Sp. Z o.o.

Poland

 

Greenbrier Railcar Leasing, Inc.

WA

 

Greenbrier Railcar Sales Repair and Maintenance L.L.C.

UAE

 

Greenbrier Romania S.A.

Romania

 

Greenbrier S.A. de C.V.

Mexico

 

Greenbrier Tank Components, LLC

OR

 

Greenbrier Union Holdings I LLC

OR

 

Greenbrier Vagon Sanayi Ve Ticaret Limited Şirketi

Turkey

 

Greenbrier-Concarril, LLC

DE

 


Gunderson – GIMSA S.A. de C.V.

Mexico

 

Gunderson LLC

OR

 

Gunderson Rail Services LLC

OR

American Hydraulics

GMO Parts

Greenbrier Rail Services

YSD Industries

Greenbrier Castings

Gunderson Specialty Products, LLC

DE

 

Gunderson-Concarril S. de R.L. de C.V.

Mexico

 

I.C.P.V. S.A.

Romania

 

Meridian Rail Acquisition Corp.

OR

Greenbrier Rail Services

Meridian Rail Holdings Corp.

OR

 

MGMS, LLC

DE

 

Ohio Castings Company, LLC

DE

 

YSD Doors, S.A. de C.V

Mexico

 

Zaklad Transportu Kolejowego SIARKOPOL sp. z o.o.

Poland