| 2004 | AGUAS DE LA COSTA S.A. |
| 2004 | AIR LIQUIDE |
| 2004 | ALAMTEC - CASA DEL TRANSFORMADOR |
| 2004 | ALEGRIAS S.A. |
| 2004 | ALICIA CACHO Y VECINOS |
| 2004 | ALICO COMPANIA DE SEGUROS DE VIDA |
| 2004 | ALSER COPY |
| 2004 | ALTANA FILMS |
| 2004 | ALUAR CAMEA |
| 2004 | ALUSUD |
| 2004 | AMECON |
| 2004 | AMERICA LATINA LOGISTICA |
| 2004 | AMERICA ONLINE |
| 2004 | AMERICAN AIRLINES |
| 2004 | AMORTIGUADORES SADAR |
| 2004 | AMPACET SOUTH AMERICA S. A |
| 2004 | ANCAL |
| 2004 | ANDREANI |
| 2004 | ANDRES LAGOMARSINO E HIJOS S.A. |
| 2004 | ANECTIS |
| 2004 | ANEDRA |
| 2004 | ANGUINIA REALIZACIONES |
| 2004 | ANMAT |
| 2004 | ANSELMO MORVILLO S.A. |
| 2004 | ANSES |
| 2004 | ANTARES NAVIERA |
| 2004 | ARCA DISTRIBUCIONES |
| 2004 | ARCAN Engineering |
| 2004 | ARCOR |
| 2004 | ARGENCARD S.A. |