| 2018 | ANALISIS DE CONDUCTAS ILICITAS EN ESPECTACULOS PUBLICOS |
| 2018 | ANCAL |
| 2018 | Anclaflex (RAPSA) |
| 2018 | ANDES LINEAS AEREAS |
| 2018 | ANDIF |
| 2018 | ANDREANI |
| 2018 | ANGEL BARALDO S.A. |
| 2018 | Angel Estrada y Cia SA |
| 2018 | ANGRIGIANI S.A. |
| 2018 | ANICETO GOMEZ S.A. |
| 2018 | ANLIS - INSTITUTO MALBRAN |
| 2018 | ANMAT |
| 2018 | ANSAL REFRIGERACION |
| 2018 | ANSES |
| 2018 | Antigua Farmacia del Aguila Scs |
| 2018 | ANTIGUAS ESTANCIAS DON ROBERTO |
| 2018 | AOT - ASOCIACION OBRERA TEXTIL DE LA REPUBLICA ARG |
| 2018 | APHOLOS |
| 2018 | AQM |
| 2018 | ARAMARK |
| 2018 | ARBA - CHACABUCO |
| 2018 | ARBA AVELLANEDA |
| 2018 | ARBA ITUZAINGO |
| 2018 | ARBREX |
| 2018 | ARDEMA SRL |
| 2018 | ARENERA COLONIA |
| 2018 | ARGEN COBRAS S.A. |
| 2018 | ARGENTINA TEXTIL SUPPLY SRL. |
| 2018 | ARINSO ARGENTINA S.A. |
| 2018 | ARM SERVICES SA |
