| Minu | |
| Minu Servicios, S.A.P.I de C.V. | Mexico City |
| Mitaro | Mexico City |
| MobileLab360 | |
| Mobilender, Inc. | Mexico City |
| Mobileware | Mexico City |
| ModuloWeb | Querétaro |
| Moneo | Mexico City |
| Moneypool, S.A.P.I. de C.V. | |
| Monkey | Mexico City |
| Monterrey Media Systems | Nuevo León |
| Monto | |
| Mosquito | Mexico City |
| Mostrador | Mexico City |
| Motus | Mexico City |
| Movistar México | Mexico City |
| MPSnet | Mexico City |
| MR Presta, S.A. de C.V. | |
| Mr Solutions, S.A. de C.V. | Mexico City |
| Multi-Hosting | Mexico City |
| Multicomp, S.A. de C.V. | Nuevo León |
| Multimedia Efectiva | Puebla |
| Multiware | Nuevo León |
| Mundo Contact, S.A. de C.V. | Mexico City |
| Mundoweb | Mexico City |
| MX Negocios Proyectos Inteligentes | Mexico City |
| MXIGEN | Mexico City |
| MyStore Xpress | Mexico City |
| National Autonomous University - Instituto de Matemáticas | Mexico City |
| National Pedagogical University Unidad Torreón | |
| Nauta | Mexico City |
| Nazca | Mexico City |
| Ncite México, S.A.P.I. de C.V. | Mexico City |
| Neitek | Nuevo León |
| Neivor | Mexico City |
| Nelo | Mexico City |
| Neodata | Mexico City |
| Neogénesys, S.A. de C.V. | Mexico City |
| Neolpharma | Mexico City |
| Neotegra | State of Mexico |
| Netfonic | Mexico City |
| Netra, S.A. de C.V. | State of Mexico |
| Network Consulting & Services | Puebla |
| Netxos | Sinaloa |
| Netze Juarez | Chihuahua |
| Netzen | Mexico City |
| Neurona Digital | Mexico City |
| Nevermind | |
| New Ventures | Mexico City |
| NewCo Capital, S.A.P.I. de C.V. | Mexico City |