| Instituto de Investigaciones Matemáticas "Luis A. Santaló" | |
| Instituto para el Desarrollo Empresarial de la Argentina | |
| Instituto Superior Santo Domingo | Buenos Aires |
| Instituto Tecnológico de Buenos Aire | Buenos Aires |
| Instituto Universitario de la Policía Federal Argentina | |
| Instituto Universitario ESEADE | |
| Instituto Universitario Italiano de Rosario | |
| Instituto Universitario River Plate | |
| Intec Software | Buenos Aires |
| Inteco Sistemas y Servicios | Buenos Aires |
| Inteligencia Profesional Tecnológica S.A.S. | Buenos Aires |
| Intenret Society Argentina | Buenos Aires |
| Inter Systems S.A. | Buenos Aires |
| Interactivity | Buenos Aires |
| Interbanking, S.A. | 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 |
| Interweb | Buenos Aires |
| Intraway | Buenos Aires |
| Invel | Buenos Aires |
| InversionesDigitales.com | Buenos Aires |
| Invgate | 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 | |
| Itcom Soluciones Tecnologicas | Buenos Aires |
| ITParaná | Entre Ríos |
| ItzRed | Buenos Aires |
| Ixone Studios | Buenos Aires |
| Ixton | Mendoza |
| Jargon Web Hosting Argentina | Entre Ríos |
| JAZZ Computación | Buenos Aires |
| JCOR | Córdoba |