| ID | Name | Type |
|---|---|---|
| #1330 | Artwork | Z |
| #1331 | Artyom Kolesnikov | + |
| #1332 | Aryxoft | ? |
| #1333 | Ascendancy Creative Labs | Z |
| #17050 | Ascender Software | M |
| #1334 | Aschehoug | ? |
| #17051 | Asda Superstores | A |
| #1335 | Ash Byproducts | ? |
| #1336 | Ash Micro Services Ltd | Z |
| #1337 | Ashby Computers & Graphics Ltd | Z |
| #17968 | Ashby Products | Z |
| #16006 | Ashfield Systems Associates | P |
| #1338 | Ashley Greenup | ? |
| #15780 | Ashley Morris | + |
| #22033 | Ashley Munson | + |
| #1339 | Ashleysoft | Z |
| #1340 | Ashminster Computing Ltd | Z |
| #1341 | Ashton-Tate | ? |
| #1342 | Asier Burgaleta | ? |
| #1343 | Asirus Software | P |