| NeoMedios | Buenos Aires |
| Neostore | Buenos Aires |
| Nerdcube | San Juan |
| Netben Internet | Buenos Aires |
| Netcoop | Buenos Aires |
| NetDreams | Buenos Aires |
| Netic Infoservicios | Buenos Aires |
| NetKey Solutions | Buenos Aires |
| NetOne Solucions | Buenos Aires |
| NetSun Solutions | Buenos Aires |
| Netting | Buenos Aires |
| Netvision S.A. | Buenos Aires |
| Netyco | Buenos Aires |
| Neunet, S.A. | Buenos Aires |
| NeuralSoft | Buenos Aires |
| Nevum | Buenos Aires |
| NewBitCrew | Buenos Aires |
| Newtopia VC | Buenos Aires |
| Nexo Digital | Salta |
| Nexsys | Buenos Aires |
| Nextsys | Buenos Aires |
| NIC Argentina | Buenos Aires |
| Nicso Recuperacion de datos | Buenos Aires |
| Niger Computacion | Buenos Aires |
| NIRASYS Design | Buenos Aires |
| NiuX | Buenos Aires |
| Nixe | Buenos Aires |
| Nixel | Buenos Aires |
| Nizzmo | Buenos Aires |
| Nombre Propio | Buenos Aires |
| Nook | Buenos Aires |
| Notion2Sheets | Buenos Aires |
| Novedades | Buenos Aires |
| Nuclemed S.A. | Buenos Aires |
| Núcleo IT | Buenos Aires |
| Numetron | Buenos Aires |
| Nuthost | Buenos Aires |
| NXTP | Buenos Aires |
| Obelisk S.R.L. | Buenos Aires |
| OCS Software | Buenos Aires |
| Odiseo | Buenos Aires |
| Odontsis | Córdoba |
| Oestesi | Buenos Aires |
| Oh!Studio | Buenos Aires |
| Olimpíada Matemática Argentina | Buenos Aires |
| Olimpica | Buenos Aires |
| Omicrom System | Buenos Aires |
| Omnisciens | Buenos Aires |
| Open Solutions | Buenos Aires |
| Opengeeks Solutions | Buenos Aires |