| 1000040761 | AdapTronics | IT-Italy | Company | Yes | Alumnus | ESA BIC Turin | |
| 1000047988 | Adina Technologies | DK-Denmark | Company | No | Alumnus | ESA BIC Denmark | |
| 1000050282 | Aegion Aerospace Private Limited | GB-United Kingdom | Company | No | Alumnus | ESA BIC UK | |
| 1000042388 | Aeomiq GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000040719 | Aerial Tools ApS | DK-Denmark | Company | Yes | Alumnus | ESA BIC Denmark | |
| 1000034579 | AerisGate UG (haftungsbeschränkt) | DE-Germany | Company | Yes | Alumnus | ESA BIC Hessen | |
| 1000028879 | Aeroficial Intelligence GmbH | AT-Austria | Company | No | Alumnus | ESA BIC Austria | |
| 1000031183 | AETHRA, SA. | PT-Portugal | Company | Yes | Alumnus | ESA BIC Portugal | |
| 1000023733 | AEVO | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |
| 1000045761 | Agrario Energy GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000032249 | AGRIBORA GmbH | DE-Germany | Company | No | Alumnus | ESA BIC Hessen | |
| 1000043648 | Agroaerosapce S.L. | ES-Spain | Company | Yes | Alumnus | ESA BIC Madrid Region | |
| 1000028957 | AGROINSIDER | PT-Portugal | Company | No | Alumnus | ESA BIC Portugal | |
| 1000046775 | AgroSync, UAB | LT-Lithuania | Company | No | Alumnus | ESA BIC Lithuania | |
| 1000042212 | AHYRES HARDWARE AND SOFTWARE S.L. | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000043316 | AIKOSPACE | FR-France | Company | Yes | Alumnus | ESA BIC Sud France | |
| 1000046548 | AirDodge AS | NO-Norway | Company | Yes | Alumnus | ESA BIC Norway | |
| 1000033635 | Airelectronics | ES-Spain | Company | No | Alumnus | ESA BIC Madrid Region | |
| 1000027138 | Airgloss | IT-Italy | Company | No | Alumnus | ESA BIC Lazio | |
| 1000041093 | AIRMO | DE-Germany | Company | No | Alumnus | ESA BIC Bavaria | |