| 2004 | AUDITORIA DE LA CIUDAD DE BS. AS. |
| 2004 | AUDITORIA GENERAL DE LA NACION |
| 2004 | AUSUR S.A. |
| 2004 | AUTOELEVADORES HURLINGAM |
| 2004 | AUTOPISTAS DEL SOL |
| 2004 | AVAYA SRL |
| 2004 | AVC - Marquetin Promocional S.A. |
| 2004 | AySA S.A. |
| 2004 | B ACHER ARGENTINA |
| 2004 | BACTSSA |
| 2004 | BAKER HUGHES ARG. |
| 2004 | BAMANSA |
| 2004 | BANCO BICE |
| 2004 | BANCO CENTRAL |
| 2004 | BANCO CIUDAD |
| 2004 | BANCO FRANCES |
| 2004 | BANCO HIPOTECARIO |
| 2004 | BANCO ITAU ARGENTINA S.A. |
| 2004 | BANCO SAENZ |
| 2004 | BANDEX |
| 2004 | BARALDO |
| 2004 | BARRAQUEROS PAMPEANOS SA |
| 2004 | BARROW |
| 2004 | BASF ARGENTINA |
| 2004 | BAVARIAN |
| 2004 | BBDO |
| 2004 | BCIG |
| 2004 | BDO |
| 2004 | BEIERSDORF S.A |
| 2004 | BENITO ROGGIO AMBIENTAL |