| Detail Technologies B.V. | |
| DetaSoft | Flevoland |
| Detron | Utrecht |
| Detron ICT Rental Solutions B.V. | Utrecht |
| Developers House | South Holland |
| Developers.nl | |
| DevelopGuidance | Flevoland |
| DEVENTit B.V. | Utrecht |
| Devise Analytics B.V. | |
| DevRepublic | Overijssel |
| Dewi Online | North Brabant |
| DEX Data Explorers | |
| Dexter | |
| DG Graphic Design | North Holland |
| DGB Group N.V. | |
| DGMR Software B.V. | South Holland |
| DHB Bank N.V. | South Holland |
| DHost B.V. | North Holland |
| DHS | North Brabant |
| Di-Dis.com | North Brabant |
| Diabolo ICT B.V. | Gelderland |
| Diagnose.me B.V. | |
| Dialog | Utrecht |
| Diana Fea B.V. | South Holland |
| Didata Automatisering B.V. | Gelderland |
| Digi Assets | |
| Digibytez | Friesland |
| DigiCal | |
| Digidentity B.V. | |
| DigiMarCon Europe | |
| Digimove B.V. | |
| DigiNovus | |
| Digio | North Brabant |
| Digiplek | Gelderland |
| DigiReceptie | |
| Digitaal Kantoor | South Holland |
| Digital Content Holding B.V. | Utrecht |
| Digital Deal B.V. | |
| Digital Game Technology | Overijssel |
| Digital Impact | |
| Digital Inside | |
| Digital Intelligence | North Holland |
| Digital Natives B.V. | |
| Digital Power | North Holland |
| Digital Radio NL | |
| Digital Sense | |
| Digital Thinking | North Holland |
| Digital Touch Productions | |
| Digitalbite | North Holland |
| Digitale Checklisten | |