Exhibit 21
Subsidiaries of Aleris International, Inc. as of March 30, 2005
Wholly owned unless otherwise indicated.
1. | Alchem Aluminum, Inc., a Delaware corporation | |
2. | Alchem Aluminum Shelbyville Inc., a Delaware corporation | |
3. | Aleris Ohio Management, Inc., a Delaware corporation | |
4. | Dutch Aluminum C.V., a Netherlands limited partnership | |
5. | Gulf Reduction Corporation, a Delaware corporation | |
6. | IMCO Brazil Holding Ltda., a Brazilian limited liability company | |
7. | IMCO Energy Corp., a Delaware corporation | |
8. | IMCO Funding Corporation, a Delaware corporation | |
9. | IMCO Indiana Partnership L.P., an Indiana limited partnership | |
10. | IMCO International, Inc., a Delaware corporation | |
11. | IMCO Investment Company, a Delaware corporation | |
12. | IMCO Management Partnership L.P., a Texas limited partnership | |
13. | IMCO Reciclagem de Materiais Indústria e Comércio Ltda., a Brazilian limited liability company | |
14. | IMCO Reciclaje de Mexico, S. de R.L. de C.V., a Mexican limited liability company | |
15. | IMCO Reciclaje de Nuevo Leon, S. de R.L. de C.V., a Mexican limited liability company | |
16. | IMCO Reciclaje Servicios Administrativos, S. de R.L. de C.V., a Mexican limited liability company | |
17. | IMCO Reciclaje Servicios de Manufactura, S. de R.L. de C.V., a Mexican limited liability company | |
18. | IMCO Recycling of California, Inc., a Delaware corporation |
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19. | IMCO Recycling Holding B.V., a Netherlands limited liability company | |
20. | IMCO Recycling of Idaho Inc., a Delaware corporation | |
21. | IMCO Recycling of Illinois Inc., an Illinois corporation | |
22. | IMCO Recycling of Indiana Inc., a Delaware corporation | |
23. | IMCO Recycling of Michigan L.L.C., a Delaware limited liability company | |
24. | IMCO Recycling of Ohio Inc., a Delaware corporation | |
25. | IMCO Recycling of Utah Inc., a Delaware corporation | |
26. | IMCO Recycling Services Company, a Delaware corporation | |
27. | IMCO Recycling (UK) Ltd., a private company limited by shares and organized under the laws of England | |
28. | IMSAMET, Inc., a Delaware corporation | |
29. | Imsamet of Arizona, an Arizona partnership (70%) | |
30. | Indiana Aluminum Inc., an Indiana corporation | |
31. | Interamerican Zinc, Inc., a Delaware corporation | |
32. | MetalChem Handel GmbH, a German limited liability company | |
33. | MetalChem, Inc., a Pennsylvania corporation | |
34. | Midwest Zinc Corporation, a Delaware corporation | |
35. | Rock Creek Aluminum, Inc., an Ohio corporation | |
36. | Solar Aluminum Technology Services, a Utah partnership (50%) | |
37. | U.S. Zinc Corporation, a Delaware corporation | |
38. | U.S. Zinc Export Corporation, a Texas corporation |
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39. | VAW-IMCO Guß und Recycling GmbH, a German limited liability company | |
40. | Western Zinc Corporation, a California corporation | |
41. | Commonwealth Industries, Inc., a Delaware corporation | |
42. | CA Lewisport, LLC, a Delaware limited liability company | |
43. | CI Holdings, LLC, a Delaware limited liability company | |
44. | Commonwealth Aluminum, LLC, a Delaware limited liability company | |
45. | Commonwealth Aluminum Concast, Inc., an Ohio corporation | |
46. | Commonwealth Aluminum Lewisport, LLC, a Delaware limited liability company | |
47. | Commonwealth Aluminum Metals, LLC, a Delaware limited liability company | |
48. | Commonwealth Aluminum Sales Corporation, a Delaware corporation | |
49. | Commonwealth Aluminum Tube Enterprises, LLC, a Delaware limited liability company | |
50. | Commonwealth Financing Corp., a Delaware corporation |
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