| 1000045781 | Dhruva Space GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 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 | |
| 1000047562 | DNAir | CH-Switzerland | Company | No | Incubatee | ESA BIC Switzerland | |
| 1000037252 | DocTec | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000021709 | D-ORBIT PT Unipessoal Lda | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000042310 | Dromos GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000028447 | Drone Harmony AG | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |
| 1000037727 | Drone Hopper | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000028055 | DroneSAR Ltd | IE-Ireland | Company | No | Alumnus | ESA BIC Ireland | |
| 1000047021 | Duramea FlexCo | AT-Austria | Company | No | Incubatee | ESA BIC Austria | |
| 1000040897 | Dymium GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000031983 | Dynamic Space Technologies AS | NO-Norway | Company | No | Alumnus | ESA BIC Norway | |
| 1000051905 | ECLIPSE | FR-France | Company | No | Incubatee | ESA BIC Nord France | |
| 1000042827 | Eco Urban Scooters Limited | IE-Ireland | Company | No | Alumnus | ESA BIC Ireland | |
| 1000041734 | Ecosmic | NL-Netherlands | Company | No | Alumnus | ESA BIC Noordwijk | |
| 1000044508 | EDY S.r.l. | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000031159 | EH Group Engineering AG | CH-Switzerland | Company | No | Alumnus | ESA BIC Switzerland | |