| Maxxa | Santiago Metropolitan |
| MEAT Group | Santiago Metropolitan |
| Media Tools | Santiago Metropolitan |
| Mediabyte | Santiago Metropolitan |
| Medialabs | Santiago Metropolitan |
| Mediastream | Santiago Metropolitan |
| Mediavox | Santiago Metropolitan |
| MeetLatAm, S.p.A. | Santiago Metropolitan |
| MegaRed | Santiago Metropolitan |
| Mento | Santiago Metropolitan |
| Mercado Libre Chile | Santiago Metropolitan |
| Mercados G | Santiago Metropolitan |
| Meste | Santiago Metropolitan |
| Meta4 | Santiago Metropolitan |
| Metrik | Santiago Metropolitan |
| Metrópolis Internet | Santiago Metropolitan |
| Microdat | Santiago Metropolitan |
| MicronControl | Santiago Metropolitan |
| Microserv | Santiago Metropolitan |
| Microsoft Chile | Santiago Metropolitan |
| Ministerio de Transportes y Telecomunicaciones | Santiago Metropolitan |
| Miró | Santiago Metropolitan |
| MITI | Santiago Metropolitan |
| Mito Consultores | Valparaíso |
| MKV | Santiago Metropolitan |
| Monitor SpA | Santiago Metropolitan |
| MOOB | Santiago Metropolitan |
| Movistar Chile | Santiago Metropolitan |
| Mujeres del Pacífico | Santiago Metropolitan |
| Mundo en Linea | Santiago Metropolitan |
| Mundo MD | Santiago Metropolitan |
| Mundoinux | Santiago Metropolitan |
| NameAction | Santiago Metropolitan |
| Nbitek | Santiago Metropolitan |
| Nectia | Santiago Metropolitan |
| Nekiori S.p.A. | Santiago Metropolitan |
| Neocomp | Santiago Metropolitan |
| Net Group Chile | Santiago Metropolitan |
| net.explora | Santiago Metropolitan |
| Net2Voz | Santiago Metropolitan |
| NetChat | Santiago Metropolitan |
| NetConsult | Santiago Metropolitan |
| Netglobalis | Santiago Metropolitan |
| Netgocios | Santiago Metropolitan |
| Netlais | Santiago Metropolitan |
| Netline | Santiago Metropolitan |
| NetNow | Santiago Metropolitan |
| NetRed | Santiago Metropolitan |
| Neuralis | Santiago Metropolitan |
| Newnet.cl | Santiago Metropolitan |