| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| Whalley Computer Associates | 0.00 ±0.0 | ||||
| Windcrest Software | 0.00 ±0.0 | ||||
| Windy City Software | 0.00 ±0.0 | ||||
| Winfried Hofacker | 0.00 ±0.0 | ||||
| Wolf Software Limited | Poland | 0.00 ±0.0 | |||
| Wolsten's Computer Devices | 0.00 ±0.0 | ||||
| Woods & Woods | 0.00 ±0.0 | ||||
| WordMark | 0.00 ±0.0 | ||||
| Words and Pictures Ltd. | 0.00 ±0.0 | ||||
| World Federation of Mad Hackers | Poland | 0.00 ±0.0 | |||
| Worlds to Conquer, Inc. | 0.00 ±0.0 | ||||
| Würzburger Atari Front | Germany | 0.00 ±0.0 | |||
| X-Men | France | 0.00 ±0.0 | |||
| Xanth F/X | United States | 0.00 ±0.0 | |||
| XE-Team | Poland | Warsaw (Warszawa) | 0.00 ±0.0 | ||
| Xitron | 0.00 ±0.0 | ||||
| XLEnt Software | 0.00 ±0.0 | ||||
| xyce | 0.00 ±0.0 | ||||
| Yapman Software | 0.00 ±0.0 | ||||
| Yedi-Soft | 0.00 ±0.0 |
