| 2011 | ATC RADIO TAXI TANGO |
| 2011 | ATENEO LIBERTAD - UNION CIVICA RADICAL |
| 2011 | ATENTO ARGENTINA S.A. |
| 2011 | AUDITORIA GENERAL DE LA NACION |
| 2011 | AUSUR S.A. |
| 2011 | AUTO SPECIAL |
| 2011 | AUTOMOTORES EL TRIANGULO |
| 2011 | AUTOMOVILES SAN JORGE S.A. |
| 2011 | AUTOPISTAS DEL SOL |
| 2011 | AUTOPISTAS URBANAS S.A. |
| 2011 | AUTOSERVICIO SILVIA |
| 2011 | AUTOTRANSPORTES SAN JUAN MAR DEL PLATA SA |
| 2011 | AUTOTROL |
| 2011 | AUVIAL |
| 2011 | AVALON SALON DE FIESTAS |
| 2011 | AXA ASSISTANCE |
| 2011 | AXIOMA |
| 2011 | AXIS MUNDI |
| 2011 | AySA S.A. |
| 2011 | AYUDA MUTAL PERSONAL DE GENDARMERIA |
| 2011 | AZULTEL S.A. |
| 2011 | B Y B COMERCIO EXTERIOR |
| 2011 | BABY & HOME |
| 2011 | BABY FACTORY |
| 2011 | BACTSSA |
| 2011 | BAESA |
| 2011 | BAIRES LAB. S.A. |
| 2011 | BAIRES LOGISTICA |
| 2011 | BAIRES LOGISTICS S.R.L. |
| 2011 | BALBER |