| Lanix México | Mexico City |
| Lapzo | |
| Lava Studio | |
| Leadsales | |
| Lecar Consultoría en TI S.C. | |
| Lenovo México, S. de R.L. de C.V. | Mexico City |
| Lerco Agency | |
| Levadura | Nuevo León |
| Liceo Cervantino | |
| Liceo Universidad Pedro de Gante | |
| Licorne | |
| Ligas de Raul | Mexico City |
| Likes per Second, S.A.S. de C.V. | Mexico City |
| Link Technologies, S.A.P.I de C.V. | Mexico City |
| LINKX Global | Mexico City |
| Linux México | Mexico City |
| LinuxTotal | Mexico City |
| Listopro, S.A.P.I. | |
| LIV Capital | |
| LocaliSapiens, LLC | Puebla |
| Lógica Aplicaciones Soporte y Servicio, S.A. de C.V. | Mexico City |
| Losaltos | Mexico City |
| Lucasian | Mexico City |
| Lucasian México | |
| LUFT México | Jalisco |
| Lugar Creativo | |
| Luna Asesoria y Sistemas | Mexico City |
| maat.ai | Mexico City |
| Macro Idea Studio | Mexico City |
| Main | Mexico City |
| Mambu Mobile | |
| ManaMana | |
| ManetWeb Design | Mexico City |
| Mango Hosting | Mexico City |
| Mangoo Software | |
| MAR Consultoria Tecnológica | Mexico City |
| Marcatel | Mexico City |
| MarcoGaribay.com | Baja California |
| Marketing Business Consultants, S.A. de C.V. | |
| Markeweb Design | |
| Marsbot | |
| Masoko | |
| Masteredi S.A. de C.V. | Mexico City |
| Mati-Co Software | Mexico City |
| Maximage - DQM Software | |
| Maya Innovación y Creatividad | |
| MayaSistemas | Puebla |
| MB | |
| MCM Telecom | Mexico City |
| Mctech Producciones | Mexico City |