| 1000046901 | DEORC-AI | HU-Hungary | Company | No | Alumnus | ESA BIC Hungary | |
| 1000041280 | Descoberta Ofuscante LDA | PT-Portugal | Company | Yes | Alumnus | ESA BIC Portugal | |
| 1000036498 | Detektia Earth Surface Monitoring S.L. | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000042569 | Devanthro GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000045781 | Dhruva Space GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000035375 | DigiFarm | NO-Norway | Company | Yes | Alumnus | ESA BIC Norway | |
| 1000042253 | Digital Earth Solutions S.L. | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000039230 | Diramics AG | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000037691 | disaitek | FR-France | Company | No | Alumnus | ESA BIC Nord France | |
| 1000041643 | DLTEO GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000037252 | DocTec | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000021709 | D-ORBIT PT Unipessoal Lda | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000044198 | DPhi Space Sàrl | CH-Switzerland | Company | Yes | Alumnus | ESA BIC Switzerland | |
| 1000035424 | dq technologies AG | CH-Switzerland | Company | Yes | Alumnus | ESA BIC Switzerland | |
| 1000025593 | DRIFT NOISE GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Northern Germany | |
| 1000041045 | Dromni GmbH | DE-Germany | Company | Yes | Alumnus | ESA BIC Bavaria | |
| 1000042310 | Dromos GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000030830 | Drone Consultants Ireland (IIP Exhibitions) | IE-Ireland | Company | Yes | Alumnus | ESA BIC Ireland | |
| 1000028447 | Drone Harmony AG | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000037727 | Drone Hopper | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |