EXHIBIT 21.1

Subsidiaries of Aleris International, Inc. as of March 15, 2006

Wholly owned unless otherwise indicated.

1.	Alchem Aluminum, Inc., a Delaware corporation
2.	Alchem Aluminum Shelbyville Inc., a Delaware corporation
3.	Aleris Asia Pacific Ltd., a Hong Kong corporation
4.	Aleris Blanking and Rim Products, Inc. (formerly Indiana Aluminum Inc.), an Indiana corporation
5.	Aleris do Brasil Holding Ltda. (formerly IMCO Brazil Holding Ltda.), a Brazilian limited liability company
6.	Aleris Mexico, S. de R.L. de C.V. (formerly IMCO Reciclaje de Mexico, S. de R.L. de C.V.), a Mexican limited liability company
7.	Aleris Nuevo Leon, S. de R.L. de C.V. (formerly IMCO Reciclaje de Nuevo Leon, S. de R.L. de C.V.), a Mexican limited liability company
8.	Aleris Ohio Management, Inc., a Delaware corporation
9.	Aleris Reciclagem Ltda. (formerly IMCO Reciclagem de Materiais Indústria e Comércio Ltda.), a Brazilian limited liability company
10.	Aleris Reciclaje Servicios Administrativos, S. de R.L. de C.V. (formerly IMCO Reciclaje Servicios Administrativos, S. de R.L. de C.V.), a Mexican limited liability company
11.	Aleris Reciclaje Servicios de Manufactura, S. de R.L. de C.V. (formerly IMCO Reciclaje Servicios de Manufactura, S. de R.L. de C.V.), a Mexican limited liability company
12.	ALSCO Holdings, Inc., a Delaware corporation
13.	ALSCO Metals Corporation, a Delaware corporation
14.	Alumitech, Inc., a Delaware corporation
15.	Alumitech of Cleveland, Inc., a Delaware corporation
16.	Alumitech of Wabash, Inc., an Indiana corporation
17.	Alumitech of West Virginia, Inc., a Delaware corporation
18.	AWT Properties, Inc., an Ohio corporation
19.	ETS Schaefer Corporation, an Ohio corporation
20.	IMCO Indiana Partnership L.P., an Indiana limited partnership
21.	IMCO International, Inc., a Delaware corporation
22.	IMCO Investment Company, a Delaware corporation
23.	IMCO Management Partnership L.P., a Texas limited partnership
24.	IIMCO Recycling of California, Inc., a Delaware corporation
25.	IMCO Recycling Holding B.V., a Netherlands limited liability company
26.	IMCO Recycling of Idaho Inc., a Delaware corporation
27.	IMCO Recycling of Illinois Inc., an Illinois corporation
28.	IMCO Recycling of Indiana Inc., a Delaware corporation
29.	IMCO Recycling of Michigan L.L.C., a Delaware limited liability company

30.	IMCO Recycling (Netherlands) B. V., a Netherlands limited liability company
31.	IMCO Recycling of Ohio Inc., a Delaware corporation
32.	IMCO Recycling of Utah Inc., a Delaware corporation
33.	IMCO Recycling Services Company, a Delaware corporation
34.	IMCO Recycling (UK) Ltd., a private company limited by shares and organized under the laws of England
35.	IMSAMET, Inc., a Delaware corporation
36.	Imsamet of Arizona, an Arizona partnership (70%)
37.	Interamerican Zinc, Inc., a Delaware corporation
38.	MetalChem Handel GmbH, a German limited liability company
39.	MetalChem, Inc., a Pennsylvania corporation
40.	Midwest Zinc Corporation, a Delaware corporation
41.	Rock Creek Aluminum, Inc., an Ohio corporation
42.	Silver Fox Holding Corp., a Delaware corporation
43.	Solar Aluminum Technology Services, a Utah partnership (50%)
44.	U.S. Zinc Corporation, a Delaware corporation
45.	U.S. Zinc Export Corporation, a Texas corporation
46.	VAW-IMCO Guß und Recycling GmbH, a German limited liability company
47.	Western Zinc Corporation, a California corporation
48.	Commonwealth Industries, Inc., a Delaware corporation
49.	CA Lewisport, LLC, a Delaware limited liability company
50.	CI Holdings, LLC, a Delaware limited liability company
51.	Commonwealth Aluminum, LLC, a Delaware limited liability company
52.	Commonwealth Aluminum Concast, Inc., an Ohio corporation
53.	Commonwealth Aluminum Lewisport, LLC, a Delaware limited liability company
54.	Commonwealth Aluminum Metals, LLC, a Delaware limited liability company
55.	Commonwealth Aluminum Sales Corporation, a Delaware corporation
56.	Commonwealth Aluminum Tube Enterprises, LLC, a Delaware limited liability company
57.	Commonwealth Financing Corp., a Delaware corporation
58.	Gulf Reduction Corporation, a Delaware corporation
59.	IMCO Energy Corp., a Delaware corporation