Exhibit 21.1

Subsidiaries of Aleris International, Inc. as of March 30, 2008

	Subsidiary	State of Incorporation / Formation	Aleris Ownership
1.	Alchem Aluminum, Inc.	Delaware	100%
2.	Alchem Aluminum Shelbyville Inc.	Delaware	100%
3.	Aleris Aluminum Austria GmbH f/k/a Corus Aluminium Verkauf GmbH	Austria	100%
4.	Aleris Aluminum Belgium BVBA	Belgium	100%
5.	Aleris Aluminum Bitterfeld GmbH f/k/a Corus Aluminium Profiltechnik Bitterfeld GmbH	Germany	100%
6.	Aleris Aluminum Bonn GmbH f/k/a Corus Aluminium Profiltechnik Bonn GmbH	Germany	100%
7.	Aleris Aluminum Canada Holding 2, Inc. f/k/a Corus Aluminium Inc.	Canada	100%
8.	Aleris Aluminum Canada L.P. f/k/a Corus L.P.	Canada	100%
9.	Aleris Aluminum Denmark ApS	Denmark	100%
10.	Aleris Aluminum Duffel BVBA f/k/a Corus Aluminium BVBA	Belgium	100%
11.	Aleris Aluminum Europe, Inc. f/k/a Hoogovens Aluminium Europe Inc.	Delaware	100%
12.	Aleris Aluminum France SAS	France	100%
13.	Aleris Aluminum GmbH f/k/a Corus Aluminium GmbH	Germany	100%
14.	Aleris Aluminum Italy Srl f/k/a Corus Aluminium Rolled Products, Italia Srl	Italy	100%
15.	Aleris Aluminum Japan, Ltd. f/k/a Corus Aluminium Japan, Ltd.	Japan	100%
16.	Aleris Aluminum Koblenz GmbH f/k/a Corus Aluminium Walzprodukte GmbH	Germany	100%
17.	Aleris Aluminum Netherlands B.V. f/k/a Corus Aluminium Rolled Products B.V.	Netherlands	100%
18.	Aleris Aluminum Sales Europe GmbH f/k/a Aleris Aluminium Products GmbH	Germany	100%
19.	Aleris Aluminum Service Center NV f/k/a Corus Aluminium Service Center NV	Belgium	100%
20.	Aleris Aluminum Spain, S.A. f/k/a Corus Aluminium Espana SA	Spain	100%
21.	Aleris Aluminum UK Limited	United Kingdom	100%
22.	Aleris Aluminum U.S. Sales, Inc. f/k/a Corus Aluminium Corp.	Delaware	100%
23.	Aleris Aluminum Vogt GmbH f/k/a Corus Aluminium Profiltecknik GmbH	Germany	100%
24.	Aleris Aluminum Vogt GmbH [sp z.o.o.] f/k/a Corus Aluminium Profiltechnik GmbH sp. z o.o.	Poland	100%
25.	Aleris Asia Pacific International (Barbados) Ltd.	Barbados	100%
26.	Aleris Asia Pacific Limited	Hong Kong	100%
27.	Aleris Belgium BVBA	Belgium	100%
28.	Aleris Blanking and Rim Products, Inc. f/k/a Indiana Aluminum Inc.	Indiana	100%
29.	Aleris Deutschland Beteiligungsunternehmen Duffel GmbH	Germany	100%
30.	Aleris Deutschland Holding GmbH	Germany	100%
31.	Aleris Deutschland Vier GmbH Co KG	Germany	100%
32.	Aleris Deutschland Vierte Verwaltungs GmbH	Germany	50%
33.	Aleris Gibraltar Limited	Gibraltar	100%
34.	Aleris Global Luxembourg S.a.r.l	Luxembourg	100%
35.	Aleris Holding Belgium BVBA	Belgium	100%
36.	Aleris Holding Canada Limited	Canada	100%
37.	Aleris Holding Luxembourg S.a.r.l	Luxembourg	100%
38.	Aleris Holding Luxembourg S.a.r.l & Co. KG	Germany	100%

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39.	Aleris Holding Norway AS	Norway	100%
40.	Aleris Hylite B.V. f/k/a Corus Hylite B.V.	Netherlands	100%
41.	Aleris Inc.	Delaware	100%
42.	Aleris Latasa Reciclagem S.A.	Brazil	100%
43.	Aleris Light Gauge Products, Inc. f/k/a E Street Acquisition Corporation	Delaware	100%
44.	Aleris Luxembourg S.a.r.l	Luxembourg	100%
45.	Aleris Mexico, S. de R.L. de C.V. f/k/a IMCO Reciclaje de Mexico, S. de R.L. de C.V.	Mexico	100%
46.	Aleris Nevada Management, Inc.	Nevada	100%
47.	Aleris New Gibraltar Limited	Gibraltar	100%
48.	Aleris Nuevo Leon, S. de R.L. de C.V. f/k/a IMCO Reciclaje de Nuevo Leon, S. de R.L de C.V.	Mexico	100%
49.	Aleris Ohio Management, Inc.	Delaware	100%
50.	Aleris Participacoes Ltda. (formerly Aleris South America Ltda.)	Brazil	100%
51.	Aleris Reciclagem Ltda. f/k/a IMCO Reciclagem de Materiais Indústria e Comércio Ltda.	Brazil	100%
52.	Aleris Reciclaje Servicios Administrativos, S. de R.L. de C.V. f/k/a IMCO Reciclaje Servicios Administrativos, S. de R.L. de C.V.	Mexico	100%
53.	Aleris Reciclaje Servicios de Manufactura, S. de R. L. de C.V. f/k/a IMCO Reciclaje Servicios de Manufactura, S. de R.L. de C.V.	Mexico	100%
54.	Aleris Recycling (German Works) GmbH f/k/a VAW-IMCO Guß und Recycling GmbH	Germany	100%
55.	Aleris Recycling Holding B.V. f/k/a IMCO Recycling Holding B.V.	Netherlands	100%
56.	Aleris Recycling Netherlands B.V.	Netherlands	100%
57.	Aleris Recycling (Swansea) Ltd. f/k/a IMCO Recycling (UK) Ltd.	United Kingdom	100%
58.	Aleris (Shanghai) Trading Co. Ltd.	China	100%
59.	Aleris Specification Alloy Products Canada Company	Canada	100%
60.	Aleris Switzerland GmbH	Switzerland	100%
61.	Aleris Technology (Netherlands) BV	Netherlands	100%
62.	Alerisalu Aluminum Portugal, Unipessoal, Lda. f/k/aHoogovens Aluminium Portugal Lda.	Portugal	100%
63.	ALSCO Holdings, Inc.	Delaware	100%
64.	ALSCO Metals Corporation	Delaware	100%
65.	Aluminum Recycling Services, S. de R.L. de C.V.	Delaware	100%
66.	Alumitech, Inc.	Delaware	100%
67.	Alumitech of Cleveland, Inc.	Delaware	100%
68.	Alumitech of Wabash, Inc.	Indiana	100%
69.	Alumitech of West Virginia, Inc.	Delaware	100%
70.	Alumox AS	Norway	100%
71.	Alumox Holding AS 1	Norway	100%
72.	AWT Properties, Inc. 2	Ohio	100%
73.	BUG-Alutechnik GmbH	Germany	100%
74.	CA Lewisport, LLC	Delaware	100%
75.	CI Holdings, LLC	Delaware	100%
76.	Commonwealth Aluminum, LLC	Delaware	100%
77.	Commonwealth Aluminum Concast, Inc.	Ohio	100%

²      This entity will be merged into Aleris Holding Norway AS with Aleris Holding Norway AS being the survivor entity. Once official, this merger will be effective from April 1, 2008.

²      This entity will be merged into Alumitech of Cleveland, Inc. with Alumitech of Cleveland, Inc. being the survivor entity. Once official, this merger will be effective from April 1, 2008.

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78.	Commonwealth Aluminum Lewisport, LLC	Delaware	100%
79.	Commonwealth Aluminum Metals, LLC	Delaware	100%
80.	Commonwealth Aluminum Sales Corporation	Delaware	100%
81.	Commonwealth Aluminum Tube Enterprises, LLC	Delaware	100%
82.	Commonwealth Industries, Inc.	Delaware	100%
83.	Corus Aluminium Extrusions Tianjin Co Ltd	China	61%
84.	Duinlust Grundstucks GmbH	Germany	100%
85.	Dutch Aluminum C.V.	Netherlands	100%
86.	ETS Schaefer Corporation	Ohio	100%
87.	Granular Aluminum Products, Inc.	Illinois	100%
88.	Grundstucksverwaltungsgesellschaft Objekt Wallershein GmbH	Germany	100%
89.	HT Aluminum Specialties, Inc.	Illinois	100%
90.	IMCO Indiana Partnership L.P.	Indiana	100%
91.	IMCO International, Inc.	Delaware	100%
92.	IMCO Investment Company	Delaware	100%
93.	IMCO Management Partnership L.P.	Texas	100%
94.	IMCO Recycling of California, Inc.	Delaware	100%
95.	IMCO Recycling of Idaho Inc.	Delaware	100%
96.	IMCO Recycling of Illinois Inc.	Illinois	100%
97.	IMCO Recycling of Indiana Inc.	Delaware	100%
98.	IMCO Recycling of Michigan L.L.C.	Delaware	100%
99.	IMCO Recycling of Ohio Inc.	Delaware	100%
100.	IMCO Recycling of Utah Inc.	Delaware	100%
101.	IMCO Recycling Services Company	Delaware	100%
102.	IMCO Recycling (UK) Ltd.	England	100%
103.	IMSAMET, Inc.	Delaware	100%
104.	Imsamet of Arizona	Arizona	70%
105.	MetalChem Handel GmbH	Germany	100%
106.	Reox AS	Norway	100%
107.	Rock Creek Aluminum, Inc.	Ohio	100%
108.	Silver Fox Holding Corp.	Delaware	100%
109.	U.S. Zinc Export Corporation	Texas	100%
110.	Wabash Alloys, LLC	Delaware	100%

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