| ID | Name | Type |
|---|---|---|
| #22355 | António José Mendes dos Santos | + |
| #21336 | António Manuel Gomes Vila Chã | + |
| #20910 | António P. Loureiiro | + |
| #21042 | António Pedro Cabral Saraiva Fernandes | + |
| #22880 | António Pedro Fernandes | + |
| #20875 | António Portugal | + |
| #21022 | António Ricardo | + |
| #22876 | António Rocha | + |
| #21049 | António Rui Vasconcelos Monteiro | + |
| #1202 | Anubis Software | Z |
| #1203 | Anvil Computing | Z |
| #1204 | Anwi | ? |
| #16069 | Ap Pandaal | + |
| #16548 | Apenao | + |
| #1205 | Aperks | ? |
| #1206 | Apina | ? |
| #1207 | Apocalipsis | ? |
| #1208 | Apocalypse Software | P |
| #1209 | Apogee Games [London] | Z |
| #1210 | Apogee Games [Wallington] | Z |