| Grupy (deweloperzy) | Abbr. | Kraj | Miasto | Rejting | |
|---|---|---|---|---|---|
| Artic Computing | 0.00 ±0.0 | ||||
| Artworx | 0.00 ±0.0 | ||||
| AS BOX | Polska (Poland) | Warszawa (Warsaw) | 0.00 ±0.0 | ||
| ASAP (Converter) | 0.00 ±0.0 | ||||
| ASC | 0.00 ±0.0 | ||||
| ASCS | 0.00 ±0.0 | ||||
| ASF | Polska (Poland) | Gdańsk (Gdansk) | 0.00 ±0.0 | ||
| ASK Ltd. | 0.00 ±0.0 | ||||
| Aski-Ware | 0.00 ±0.0 | ||||
| ASMA | 0.00 ±0.0 | ||||
| ASP Software | 0.00 ±0.0 | ||||
| Astra Systems, Inc. | Stany Zjednoczone (United States) | Santa Ana | 0.00 ±0.0 | ||
| ATACOMP | 0.00 ±0.0 | ||||
| Atalanta May | 0.00 ±0.0 | ||||
| Atarax | 0.00 ±0.0 | ||||
| Atari Benelux | 0.00 ±0.0 | ||||
| Atari Bit Byter User Club | Niemcy (Germany), Polska (Poland) | , Gdańsk (Gdansk) | 0.00 ±0.0 | ||
| Atari Club Milano | 0.00 ±0.0 | ||||
| Atari Club Padova | 0.00 ±0.0 | ||||
| Atari Computer Programators | 0.00 ±0.0 |
