**Exhibit21.1**

SOUTHERN COPPERCORPORATIONSubsidiaries (More than 50% ownership)

 
|             | ** ** | **Name of Company**                              | ** ** | **Percentage of  voting  Securities owned or  other bases of control** |
|-------------|------------|--------------------------------------------------|------------|------------------------------------------------------------------------|
|        |       |                                             |       |                                                                   |
| PARENT:     |       | Americas Mining Corporation (Delaware)           |       |                                                                   |
|        |       |                                             |       |                                                                   |
| Registrant: |       | Southern Copper Corporation (Delaware)           |       |                                                                   |
|        |       | Compañia Minera  Los Tolmos S.A. (Peru)     |       | 97.31                                                                  |
|        |       | Southern Peru  Limited                           |       | 100.00                                                                 |
|        |       | Americas Sales  Company, Inc.                    |       | 100.00                                                                 |
|        |       | Minera Mexico  S.A. de C.V.                      |       | 99.95                                                                  |
|        |       | Americas Mining  de Mexico, S.A.                 |       | 99.99                                                                  |
|        |       | Industrial  Minera Mexico S.A. de C.V.           |       | 98.12                                                                  |
|        |       | Mexicana de  Cananea, S.A. de C.V.               |       | 98.49                                                                  |
|        |       | Mexicana de  Cobre, S.A. de C.V.                 |       | 94.58                                                                  |
|        |       | Mexicana del  Arco, S.A. de C.V.                 |       | 99.99                                                                  |
|        |       | Mexico Compañía  Inmobiliaria, S.A.    |       | 99.99                                                                  |
|        |       | Minerales  Metálicos del Norte, S.A.        |       | 99.99                                                                  |
|        |       | Minera Mexico  Internacional, Incorporated       |       | 100.00                                                                 |
|        |       | Servicios de  Apoyo Administrativo, S.A. de C.V. |       | 99.99                                                                  |
|        |       | Western Copper  Supplies                         |       | 100.00                                                                 |
|        |       | Global Natural Resources, Inc.                   |       | 100.00                                                                 |
|        |       | Multimines Corporation                           |       | 100.00                                                                 |
|        |       | Logistics Services Incorporated (LSI)            |       | 100.00                                                                 |

 

Not included in thislisting are subsidiaries, which in the aggregate would not constitute asignificant subsidiary.

 

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