- Dandelier
- Databites
- DataCrunch
- Datafarm
- Dataridoo
- Daze
- Dazzle Rocks
- Dealdash
- Dear Lucy
- Deep Scan Tech
- Definance
- Deletask
- Delicode
- Delight Packaging
- DelSiTech
- Delta Technics
- De Motu
- Dental Mammoth
- DentView
- Desentum
- Devea Software
- Deveteam
- DeviLabs
- Dexmen
- DiagFactor
- Digital Identity Solutions Europe
- Digital Workforce
- Diktamen
- Diory
- Diploi
- Direlight
- Dirica
- Distance Technologies
- Distence
- DJ Online
- Dobbelgänger
- Docue
- Dodreams
- Do Good Brew co.
- Dogs First
- Dokport
- Done
- Donut Lab
- Dooap
- Doohlabs
- Dottli
- Douplepoint
- Dream Broker
- Dreamloop Games
- Druid.ai
- Ductor
- Duunitori
