| Grupo Sismex | Nuevo León |
| Grupo Staff | Jalisco |
| Grupo TISA IT Services | Mexico City |
| Grupo Tress Internacional | Mexico City |
| Gruppo Sicoss | Mexico City |
| GSB Solutions | Mexico City |
| GSCS Software S.A. de C.V. | Mexico City |
| Gsiempre Software | Mexico City |
| GThouse.net | Mexico City |
| Guadalajara Angel Investor Network | Jalisco |
| Gurúrojo | Mexico City |
| Gusanito.com, S. de R.L. de C.V. | Mexico City |
| HackerGarage | Jalisco |
| Handa Systems | Nuevo León |
| Hartec | Jalisco |
| Hazlo Posible | Mexico City |
| Hecho en Sonora, S.A. de C.V. | Sonora |
| Hello Digital | Jalisco |
| Help Center | Mexico City |
| Heru | Mexico City |
| Heuristica | Mexico City |
| Hi Ventures | |
| High Tech | Mexico City |
| Highbits | Chiapas |
| Higo, Inc. | Mexico City |
| Hispanoamericano | |
| ho1a | Jalisco |
| Homework | |
| Horizonte Corporation | Puebla |
| Hospedaje.mx | Mexico City |
| Hospedalia | Mexico City |
| Hospicio Coworking | Jalisco |
| Host-depot.com | Mexico City |
| Hosting Toluca | State of Mexico |
| Hostingmx.com | Nuevo León |
| Hostingpage | Baja California |
| HSBC México | |
| Htech | Mexico City |
| HTML KickStart | Yucatán |
| Hubmine | |
| Hum & Software, S.A. de C.V. | Nuevo León |
| i-place | Nuevo León |
| IA Interactive | |
| IAB México | Mexico City |
| IAPE Universidad | |
| iBasto | Jalisco |
| Ibbox Consulting | Mexico City |
| Ibeoamerican University | |
| IBIX, S.A. de C.V. | Mexico City |
| IbizMexico | Jalisco |