| ID | Name | Type |
|---|---|---|
| #839 | Ancient Bits | ? |
| #18905 | Ancient Bytes | P |
| #17041 | Ancient and Modern | S |
| #20045 | Anco Software | Z |
| #840 | Anco Software Ltd | P |
| #841 | And-Or Press | Z |
| #842 | Andead Programming | ? |
| #18150 | Anders Carlsson | + |
| #19135 | Anders Osterlin | + |
| #843 | Anders Wallenborg | ? |
| #844 | Anderson Technology Ltd | Z |
| #845 | Andevi | - |
| #846 | Andi | ? |
| #18561 | Andi Anton | + |
| #20761 | Andi Cowley | + |
| #847 | Andic Software | Z |
| #848 | Andoni Alonso | + |
| #21648 | Andoni Martin | + |
| #849 | Andras Fordos | + |
| #850 | Andras Hirschler | + |