| Aguilar & Asociados | Buenos Aires |
| Air-Computers S.R.L. | Santa Fe |
| Airoldi | Santa Fe |
| Ají Diseño | Buenos Aires |
| Alaya Capital | |
| Albox | Buenos Aires |
| Alconada Estudio | Buenos Aires |
| Aldea Global | Buenos Aires |
| Alex Shop | Buenos Aires |
| Allytech | Buenos Aires |
| alquilerPC.com | Buenos Aires |
| AlSolNet | Buenos Aires |
| Alus Creativos | Córdoba |
| Amalgama | Buenos Aires |
| AMCO A. Martinez Cia S.A. | Buenos Aires |
| AMEGA Biotech | Buenos Aires |
| AMEGA Biotech | |
| Ampli Red | Buenos Aires |
| Analisis Empresarial S.R.L. | Buenos Aires |
| Andesat Argentina | Buenos Aires |
| Animus | Rio Negro |
| Antenas Profesionales S.A. | Buenos Aires |
| AnyWare | Buenos Aires |
| Anyx S.R.L. | Buenos Aires |
| Apernet S.A. | Buenos Aires |
| Apexnet Software Factory | Buenos Aires |
| Aptix IT | Santa Fe |
| AR Computación Distribution | Buenos Aires |
| Ar-Tec, S.A. | Mendoza |
| Arbial Soft | Córdoba |
| Ardint | Buenos Aires |
| Ardison Software & Consulting | Buenos Aires |
| Area25 | Buenos Aires |
| Argalis | Córdoba |
| Argenlink | Buenos Aires |
| Argensoft | Córdoba |
| Argentina Global Virtual | Buenos Aires |
| Argentina Virtual | Buenos Aires |
| Argentina-Hosting.Com | Santa Fe |
| Argentina.com | Buenos Aires |
| ARGENTINAHOST | Santa Fe |
| Argin Marketing Digital | Buenos Aires |
| Arnet | Buenos Aires |
| Arsat | |
| Artcon Design | Buenos Aires |
| Artech | Buenos Aires |
| Artech Servicio Tecnico | Buenos Aires |
| Artware | Buenos Aires |
| Aryem Automatizaciones | Buenos Aires |
| Arzion S.R.L. | Buenos Aires |