| 2011 | ZITO GOLD ABOGADOS |
| 2011 | ZOO LOGIC S.A. |
| 2011 | ZUCAMOR S.A. |
| 2011 | ZURICH ARGENTINA - COMPAÑIA DE SEGUROS |
| 2010 | 3M ARGENTINA SACIFIA |
| 2010 | A-Z GROUP S.A |
| 2010 | A.A. 2000 - AEROPARQUE |
| 2010 | A.A. 2000 - EZEIZA |
| 2010 | A.D. BARBIERI S.A. |
| 2010 | A.L.A.S. DEL ALMA |
| 2010 | A.T.V.C. ASOCIACION ARGENTINA DE TELEVISION POR CABLE |
| 2010 | A.W. FABER CASTELL S.A. |
| 2010 | AA ABRASIVOS ARGENTINOS SAIC |
| 2010 | AABE - EX ONABE |
| 2010 | ABAC S.R.L |
| 2010 | ABASTO SHOPPING |
| 2010 | ABB |
| 2010 | ABELSON S.A. |
| 2010 | Aca Salud Coop. |
| 2010 | ACADEMIA NACIONAL DE DERECHO |
| 2010 | ACADEMIA NACIONAL DE MEDICINA |
| 2010 | ACCENTURE |
| 2010 | ACETATOS ARGENTINOS S.A. |
| 2010 | ACTION TRAVEL S.A. |
| 2010 | ACUMAR |
| 2010 | ADECOAGRO |
| 2010 | ADHESIVO RIVI |
| 2010 | ADISA ADHESIVOS S.R.L |
| 2010 | Administrative Processing Center SA |
| 2010 | ADT SERVICE ARGENTINA |