| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| MNX | Netherlands | 0.00 ±0.0 | |||
| Moses Engineering | 0.00 ±0.0 | ||||
| MPG Productions | 0.00 ±0.0 | ||||
| Mr. Chip Software | 0.00 ±0.0 | ||||
| MS SOFT | 0.00 ±0.0 | ||||
| Muelleimersoft | 0.00 ±0.0 | ||||
| Munich Atari XL/XE PD-Association | Germany | Munchen (München) | 0.00 ±0.0 | ||
| Munroe Software | 0.00 ±0.0 | ||||
| Mysterious Association Of Devils | 0.00 ±0.0 | ||||
| Mystic Bytes | Poland | Poznan (Poznań) | 0.00 ±0.0 | ||
| N.A.P.O. | United States | 0.00 ±0.0 | |||
| N.I.P. | 0.00 ±0.0 | ||||
| Nag Soft | 0.00 ±0.0 | ||||
| National Soft | 0.00 ±0.0 | ||||
| Natural Software Solutions | 0.00 ±0.0 | ||||
| NBS | 0.00 ±0.0 | ||||
| Negative Software | 0.00 ±0.0 | ||||
| New Age Software | 0.00 ±0.0 | ||||
| New Breed Software | 0.00 ±0.0 | ||||
| New Creation | Germany | 0.00 ±0.0 |
