Exhibit 21.1

LIST OF SUBSIDIARIES OF CONSTELLIUM N.V.

(including those as of 31 December 2014 and Wise entities)

Name	Jurisdiction of Incorporation
Constellium Holdco II B.V.	Netherlands
Constellium US Holdings I, LLC	Delaware
Constellium Rolled Products Ravenswood, LLC	Delaware
Constellium Extrusions Levice s.r.o.	Slovak Republic
Constellium France Holdco	France
Constellium Extrusions Decin s.r.o.	Czech Republic
Constellium Germany Holdco GmbH & Co. KG	Germany
Constellium Germany Verwaltungs GmbH	Germany
Constellium Switzerland AG	Switzerland
Constellium Engley (Changchun) Automotive Structures Co Ltd.	China
Constellium Valais SA	Switzerland
Constellium UK Limited	United Kingdom
Constellium South East Asia	Singapore
Constellium China	China
Constellium Deutschland GmbH	Germany
Constellium Singen GmbH	Germany
Constellium US Holdings II, LLC	Delaware
Constellium Automotive USA, LLC	Delaware
Constellium Property and Equipment Company, LLC	Delaware
Constellium Ussel	France
C-TEC Constellium Technology Center (formerly known as Constellium CRV)	France
Constellium France (renamed into Constellium Issoire on 31 March 2015)	France
Constellium Finance	France
Constellium Japan KK	Japan
Constellium Extrusions France	France
Constellium Aviatube (renamed into Constellium Montreuil Juigné on 16 March 2015)	France
Constellium Extrusions Deutschland GmbH	Germany
Constellium Extrusions Landau GmbH	Germany
Constellium Extrusions Burg GmbH	Germany
Engineered Products International SAS	France
Alcan International Network Portugal	Portugal
Alcan International Network S.A. Pty Ltd.	South Africa

Constellium Italy S.p.A.	Italy
Alcan International Network (Thailand) Co. Ltd.	Thailand
Alcan International Network México S.A. de C.V.	Mexico
Quiver Ventures LLC	Delaware
Constellium Holdco III B.V.	Netherlands
Constellium France II (renamed into Constellium Aviatube on 16 March 2015)	France
Constellium France III	France
Constellium Paris	France
Constellium Neuf Brisach	France
Constellium W	France
Wise Metals Intermediate Holdings LLC	Delaware
Wise Holdings Finance Corporation	Delaware
Wise Metals Group LLC	Delaware
Alabama Electric Motor Services, LLC	Delaware
Listerhill Total Maintenance Center LLC	Delaware
Wise Alloys LLC	Delaware
Wise Alloys Finance Corporation	Delaware
Wise Alloys Funding LLC	Delaware