| Inteligencia Profesional Tecnológica S.A.S. | Buenos Aires |
| Inteligencia Profesional Tecnológica, S.A.S. | |
| Intenret Society Argentina | Buenos Aires |
| Inter Systems S.A. | Buenos Aires |
| Interactivity | Buenos Aires |
| InTerBS S.R.L. | Buenos Aires |
| Intercron | Buenos Aires |
| INTERgate | Buenos Aires |
| InterLab Desarrolos S.r.l. | Buenos Aires |
| InterLAP | Buenos Aires |
| IntermediaSP | Buenos Aires |
| InterNEA Soluciones Informáticas Profesionales | Buenos Aires |
| Internet bureau | Buenos Aires |
| Internet-Cooperativa | Buenos Aires |
| Interredes | Buenos Aires |
| Intervan SC | Buenos Aires |
| Inthegra | |
| Intiza, S.A. | |
| Intraway | Buenos Aires |
| INVAP | |
| Invel | Buenos Aires |
| InversionesDigitales.com | Buenos Aires |
| InvGate | Buenos Aires |
| IP-Soluciones S.R.L. | Buenos Aires |
| IPLAN | Buenos Aires |
| IPv4Networks | Buenos Aires |
| Iquall Networks | Buenos Aires |
| Isocorp | Buenos Aires |
| IT Argentina S.R.L. | Buenos Aires |
| IT Quality | Buenos Aires |
| IT Resources S.A. | Buenos Aires |
| IT.com.ar | Buenos Aires |
| It10 | |
| IT4W | |
| ITAE | |
| Itcom Soluciones Tecnologicas | Buenos Aires |
| ITParaná | Entre Ríos |
| ITPS One | |
| Itrio.net | |
| ItzRed | Buenos Aires |
| IURCO | |
| Ixone Studios | Buenos Aires |
| Ixton | Mendoza |
| Jargon Web Hosting Argentina | Entre Ríos |
| JAZZ Computación | Buenos Aires |
| JCOR | Córdoba |
| Jedify | |
| JetNet - Informática e Internet | Buenos Aires |
| Jetpacks | |
| JOE.com.ar | Buenos Aires |