| ID | Name | Type |
|---|---|---|
| #1379 | Audio-Visual | Z |
| #1380 | Audiogenic Ltd | Z |
| #1381 | Audiogenic Software Ltd | P |
| #1382 | Audrey Bishop | + |
| #1383 | Audrey Driggs | + |
| #1384 | Audrey Meredith | + |
| #1385 | Augen Blick | ? |
| #1386 | Augusto Cervera | + |
| #1387 | Augusto Osorio | + |
| #1388 | Augusto Ruiz | ? |
| #1389 | Augustus J. Quillinan | + |
| #1390 | Aulis-Verlag | Z |
| #1391 | Aurelio Biedma Gil | + |
| #1392 | Aurelio Rodriguez | + |
| #1393 | Aurora Software | Z |
| #1394 | Aurun | ? |
| #1395 | Auryn Creative Group | Z |
| #1396 | Auryn Software | Z |
| #1397 | Authenticity | ? |
| #1398 | Automata UK Ltd | P |