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SUBSIDIARIES AND OPERATING SEGMENTS
 12 Months Ended
Dec. 31, 2020
Disclosure of subsidiaries [abstract]  
SUBSIDIARIES AND OPERATING SEGMENTS
NOTE 31 - SUBSIDIARIES AND OPERATING SEGMENTS
The following Group’s affiliates are legal entities included in the Consolidated Financial Statements of the Group at December 31, 2020.
EntityCountry% Group InterestConsolidation
Method
Cross Operating Segment
Constellium Singen GmbH (AS&I and P&ARP)Germany100 %Consolidated
Constellium Valais S.A. (AS&I and A&T)Switzerland100 %Consolidated
AS&I
Constellium Automotive USA, LLCU.S.100 %Consolidated
Constellium Engley (Changchun) Automotive Structures Co Ltd.China54 %Consolidated
Constellium Extrusions Decin S.r.o.Czech Republic100 %Consolidated
Constellium Extrusions Deutschland GmbHGermany100 %Consolidated
Constellium Extrusions Landau GmbHGermany100 %Consolidated
Constellium Extrusions Burg GmbHGermany100 %Consolidated
Constellium Extrusions France S.A.S.France100 %Consolidated
Constellium Extrusions Levice S.r.o.Slovakia100 %Consolidated
Constellium Automotive Mexico, S. DE R.L. DE C.V.Mexico100 %Consolidated
Constellium Automotive Mexico Trading, S. DE R.L. DE C.V.Mexico100 %Consolidated
Astrex IncCanada50 %Consolidated
Constellium Automotive Zilina S.r.o.Slovakia100 %Consolidated
Constellium Automotive Nanjing Co LtdChina100 %Consolidated
Constellium Automotive Spain SLSpain100 %Consolidated
Constellium UK LimitedUnited Kingdom100 %Consolidated
A&T
Constellium Issoire S.A.S.France100 %Consolidated
Constellium Montreuil Juigné S.A.S.France100 %Consolidated
Constellium China LimitedChina100 %Consolidated
Constellium Japan KKJapan100 %Consolidated
Constellium Rolled Products Ravenswood, LLCU.S.100 %Consolidated
Constellium Ussel S.A.S.France100 %Consolidated
AluInfra Services SA (A)Switzerland50 %Consolidated
P&ARP
Constellium Deutschland GmbHGermany100 %Consolidated
Constellium Rolled Products Singen GmbH KGGermany100 %Consolidated
Constellium Property and Equipment Company, LLCU.S.100 %Consolidated
Constellium Neuf Brisach S.A.S.France100 %Consolidated
Constellium Muscle Shoals LLCU.S.100 %Consolidated
Constellium Holding Muscle Shoals LLCU.S.100 %Consolidated
Constellium Muscle Shoals Funding II LLCU.S.100 %Consolidated
Listerhill Total Maintenance Center LLCU.S.100 %Consolidated
Constellium Metal Procurement LLCU.S.100 %Consolidated
Constellium Bowling Green LLCU.S.100 %Consolidated
RhenarollFrance50 %Equity
Holdings & Corporate
C-TEC Constellium Technology Center S.A.S.France100 %Consolidated
Constellium Finance S.A.S.France100 %Consolidated
Constellium France IIIFrance100 %Consolidated
Constellium France Holdco S.A.S.France100 %Consolidated
Constellium InternationalFrance100 %Consolidated
Constellium Paris S.A.S.France100 %Consolidated
Constellium Germany Holdco GmbH & Co. KGGermany100 %Consolidated
Constellium Germany Verwaltungs GmbHGermany100 %Consolidated
Constellium U.S. Holdings I, LLCU.S.100 %Consolidated
Constellium US Intermediate Holdings LLCU.S.100 %Consolidated
Constellium Switzerland AGSwitzerland100 %Consolidated
Constellium Treuhand UGGermany100 %Consolidated
Engineered Products International S.A.S.France100 %Consolidated
(A)AluInfra Services SA, the joint venture created with Novelis in July 2018, is consolidated as a joint operation and is immaterial to the Group Consolidated Financial Statements.