| 2008 | A.W. FABER CASTELL S.A. |
| 2008 | AADI - ASOCIACION ARGENTINA DE INTERPRETES |
| 2008 | ABAC S.R.L |
| 2008 | ABB |
| 2008 | ABYPER |
| 2008 | ACADEMIA NACIONAL DE DERECHO |
| 2008 | ACADEMIA NACIONAL DE MEDICINA |
| 2008 | ACCENTURE |
| 2008 | ACTION TRAVEL S.A. |
| 2008 | ADECOAGRO |
| 2008 | ADEM |
| 2008 | ADISA ADHESIVOS S.R.L |
| 2008 | ADMINISTRACION GENERAL DE VIALIDAD PROVINCIAL |
| 2008 | AEGIS GLOBAL |
| 2008 | AES ARGENTINA GENERACION S.A. |
| 2008 | AES ENERGY LTD |
| 2008 | AESA |
| 2008 | AFA - ASOCIACION DE FUTBOL ARGENTINO |
| 2008 | AFIP |
| 2008 | AGA S.A. |
| 2008 | AGCO ARGENTINA S.A. |
| 2008 | AGENCIA VEGA OLMOS PONCE |
| 2008 | AGIP - RENTAS |
| 2008 | AGIP LUBRICANTES |
| 2008 | AGROALIMENTOS S.A. |
| 2008 | AGROCOM |
| 2008 | AGRUPACION RIVER PLATE |
| 2008 | AGUAMAT |
| 2008 | AIR LIQUIDE |
| 2008 | AIRCOM |