| Name | Region |
|---|---|
| Darío Alpern | Buenos Aires |
| Dast | Buenos Aires |
| Data Domain | Buenos Aires |
| Data Express S.A. | Buenos Aires |
| Data Markets | Buenos Aires |
| Data Memory | Buenos Aires |
| Datacraft | Buenos Aires |
| dataFIX S.R.L. | Buenos Aires |
| Datal, S.A. | Buenos Aires |
| Dataneu | Buenos Aires |
| Datasun, S.R.L. | Buenos Aires |
| Datawaves S.A. | Buenos Aires |
| Dataweb Hosting | Buenos Aires |
| Datec Informática | Buenos Aires |
| DB & Asociados | Buenos Aires |
| DC Sistemas y Servicios | Buenos Aires |
| DEASA S.A. | Buenos Aires |
| Decomax Computación | Buenos Aires |
| Delivery Cartuchos | Buenos Aires |
| Delph Soft | Córdoba |
| Delsat Group | Buenos Aires |
| Desarrollo de Web | Buenos Aires |
| Design Mill | Buenos Aires |
| Design Web San Miguel | Buenos Aires |
| Destinab.ly | Buenos Aires |
| Devecoop | Buenos Aires |
| DevZone | Buenos Aires |
| Deweb | Buenos Aires |
| DHW | Buenos Aires |
| Diagramar | Santa Fe |
| Dial Up | Buenos Aires |
| DialOne GSS S.R.L. | Buenos Aires |
| Dicsys | Córdoba |
| Diego Mattei Blog | Buenos Aires |
| Digi | Buenos Aires |
| Digicard Sistemas | Buenos Aires |
| Digital Beings | Buenos Aires |
| Digital Computación | Buenos Aires |
| Digital House | Buenos Aires |
| Digital South | Buenos Aires |
| DigitalTape | Buenos Aires |
| DigitalWebs | Buenos Aires |
| Digiwave Labs | Buenos Aires |
| Digiwest | Buenos Aires |
| Dimoba | Buenos Aires |
| Dintech Sistemas | Santa Fe |
| Dinvenio | Buenos Aires |
| DIS Informática | Buenos Aires |
| Discar S.A. | Buenos Aires |
| Diseniorweb | Buenos Aires |