| Name | Country | City | Rating | |
|---|---|---|---|---|
| MPP | 0.00 ±0.0 | |||
| MR Datentechnik | 0.00 ±0.0 | |||
| MSoft | 0.00 ±0.0 | |||
| Munroe Software | 0.00 ±0.0 | |||
| Münzenloher GmbH | 0.00 ±0.0 | |||
| MUSE Software | 0.00 ±0.0 | |||
| Musictron | 0.00 ±0.0 | |||
| Muttontown Software | 0.00 ±0.0 | |||
| Myotis Systems | 0.00 ±0.0 | |||
| Myslsoft | 0.00 ±0.0 | |||
| N & N Enterprises | 0.00 ±0.0 | |||
| N. Davidson | 0.00 ±0.0 | |||
| NAPO | 0.00 ±0.0 | |||
| Nathan | 0.00 ±0.0 | |||
| National Soft | 0.00 ±0.0 | |||
| Natural Software Solutions | 0.00 ±0.0 | |||
| ND Software | 0.00 ±0.0 | |||
| NDSL | 0.00 ±0.0 | |||
| New Age Software | 0.00 ±0.0 | |||
| New Atari User | 0.00 ±0.0 |
