| 2015 | AMCOR SAN LUIS |
| 2015 | Ameport |
| 2015 | AMERICAN AIRLINES |
| 2015 | AMERICAN LOGISTICS S.R.L |
| 2015 | AMERICAN SURGERY S.A |
| 2015 | AMERICOLD |
| 2015 | Amezaga Asesores de Seguros |
| 2015 | AMIA |
| 2015 | AMIGOS DE GRANJA BUBY |
| 2015 | AMIGOS DE JOVITA |
| 2015 | Amtae |
| 2015 | AMV |
| 2015 | Ana Maya SA |
| 2015 | ANAEROBICOS S.A. |
| 2015 | ANALISIS DE CONDUCTAS ILICITAS EN ESPECTACULOS PUBLICOS |
| 2015 | ANCAL |
| 2015 | ANDECAM S.A. |
| 2015 | ANDREANI |
| 2015 | ANDRES COLE |
| 2015 | Angel Estrada y Cia SA |
| 2015 | ANMAT |
| 2015 | ANSAL REFRIGERACION |
| 2015 | ANSES |
| 2015 | Antigua Farmacia del Aguila Scs |
| 2015 | APIAD - CENTRO DE DISCAPACIDADES |
| 2015 | APL SERVICE GROUP |
| 2015 | Apsa Internacional S.A |
| 2015 | APTAR B&H S.A. |
| 2015 | ARAMARK |
| 2015 | ARBA - CHACABUCO |