| Grupy (deweloperzy) | Abbr. | Kraj | Miasto | Rejting | |
|---|---|---|---|---|---|
| Amanda Systems | 0.00 ±0.0 | ||||
| AMC Verlag | Niemcy (Germany) | 0.00 ±0.0 | |||
| Amdek Corporation | Stany Zjednoczone (United States) | 0.00 ±0.0 | |||
| American Eagle Software | 0.00 ±0.0 | ||||
| Amiga | 0.00 ±0.0 | ||||
| Amulet Enterprises | 0.00 ±0.0 | ||||
| ANALOG 400/800 Corp. | 0.00 ±0.0 | ||||
| ANALOG Computing | Stany Zjednoczone (United States) | 0.00 ±0.0 | |||
| Andreasfilm | 0.00 ±0.0 | ||||
| Angelsoft, Inc. | 0.00 ±0.0 | ||||
| Animals | 0.00 ±0.0 | ||||
| Animkomials | Polska (Poland) | 0.00 ±0.0 | |||
| Anonymous Atarians | Polska (Poland) | Turek | 0.00 ±0.0 | ||
| Anonymous AtariOnline users | 0.00 ±0.0 | ||||
| Anschuetz | 0.00 ±0.0 | ||||
| Antic Magazine | 0.00 ±0.0 | ||||
| Antic Publishing, Inc. | 0.00 ±0.0 | ||||
| Antic Software | 0.00 ±0.0 | ||||
| AnticShop | Polska (Poland) | Kraków (Cracow) | 0.00 ±0.0 | ||
| Antist Software | 0.00 ±0.0 |