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                 



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|                                                                           |  |            
|-------------------------------------------------------------------------- |  | -----------
|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