| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| M-Eng | 0.00 ±0.0 | ||||
| M.A.Y.A. | Poland | Gluszyca (Głuszyca) | 0.00 ±0.0 | ||
| M.P. Soft | 0.00 ±0.0 | ||||
| Macada Soft | 0.00 ±0.0 | ||||
| MACE | 0.00 ±0.0 | ||||
| MACE (Australia) | 0.00 ±0.0 | ||||
| Macomb Intermediate School District | 0.00 ±0.0 | ||||
| Mad Soft | 0.00 ±0.0 | ||||
| Mad Team | Poland | Poznan (Poznań) | 0.00 ±0.0 | ||
| MadMan Federation | Poland | Gdansk (Gdańsk) | 0.00 ±0.0 | ||
| Magic Arts | 0.00 ±0.0 | ||||
| Magic Circle Software | 0.00 ±0.0 | ||||
| Magnetic Scrolls | 0.00 ±0.0 | ||||
| Mandarin Software | 0.00 ±0.0 | ||||
| Manhattan Software | 0.00 ±0.0 | ||||
| Mapsoft | 0.00 ±0.0 | ||||
| Marc Ed, Inc. | 0.00 ±0.0 | ||||
| Marcin & Tomek | 0.00 ±0.0 | ||||
| Marin Computer Center | 0.00 ±0.0 | ||||
| Market Directions | 0.00 ±0.0 |
