| EfeMosseSistemas | Buenos Aires |
| EGA Futura | Buenos Aires |
| Eiwa, S.A. | |
| Eklos | |
| El Dodo | Buenos Aires |
| El Meme | Buenos Aires |
| El Mundo Del PC | Buenos Aires |
| ELAN Network | Buenos Aires |
| Elcomel | Buenos Aires |
| Electrocomponentes S.A. | Buenos Aires |
| Electrónica Elemon S.A. | Buenos Aires |
| Electrónica Liniers | Buenos Aires |
| Eleprint Electrónica | Buenos Aires |
| Elese | Buenos Aires |
| Eleva | |
| Elposicionamiento | Buenos Aires |
| Elyptics S.R.L. | Buenos Aires |
| eMarketingPro | Buenos Aires |
| Embarca Ventures | Mendoza |
| Emiliano Rodriguez Ruiz de Gauna | Buenos Aires |
| Emilio Consultor de Mkt Digital | Córdoba |
| EMMSA | |
| Empower it | Buenos Aires |
| Emprendedores Argentinos Asociación Civil | Buenos Aires |
| Emrpesa Argentina de Redes y Sistemas | Buenos Aires |
| Emtec | |
| Enaxis | Buenos Aires |
| Endata Argentina | Santa Fe |
| Endeavor Argentina | Buenos Aires |
| Endisco | Buenos Aires |
| ENERGIT Electrónica de Potencia, S.A. | Buenos Aires |
| Engament | Buenos Aires |
| Engee IT | Buenos Aires |
| Ente Nacional de Comunicaciones | Buenos Aires |
| EnZona.com | Buenos Aires |
| Epicrisis | |
| Epicsoft | Buenos Aires |
| Epidata | |
| Equality | |
| Equality | |
| Ercas | Buenos Aires |
| Ergon | Buenos Aires |
| Erika Rubaja | Buenos Aires |
| Eryx | Buenos Aires |
| Esolutions | |
| Espacio Centenario | |
| Espin Labs | |
| Estratega Software | Santa Fe |
| Estudio Ameal & Donis | Buenos Aires |
| Estudio Baldi y Ferreyra | |