| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| Mastertronic (UK) | 0.00 ±0.0 | ||||
| MatheGraphics Software | 0.00 ±0.0 | ||||
| MBsoft | 0.00 ±0.0 | ||||
| MC Services | 0.00 ±0.0 | ||||
| McBajt | 0.00 ±0.0 | ||||
| MCCOM Studio | 0.00 ±0.0 | ||||
| McGraw-Hill, Inc. | 0.00 ±0.0 | ||||
| MCM | 0.00 ±0.0 | ||||
| MCOE | 0.00 ±0.0 | ||||
| mCorp | 0.00 ±0.0 | ||||
| MDA | 0.00 ±0.0 | ||||
| MDC, Inc. | 0.00 ±0.0 | ||||
| ME & XE Software | 0.00 ±0.0 | ||||
| ME Software | 0.00 ±0.0 | ||||
| MECA | 0.00 ±0.0 | ||||
| MECC | 0.00 ±0.0 | ||||
| Med Systems Software | 0.00 ±0.0 | ||||
| Meg Edu-Pro, Inc. | 0.00 ±0.0 | ||||
| Mega Assemblers Crew | Poland | Gdynia | 0.00 ±0.0 | ||
| Megasoft, Inc. | 0.00 ±0.0 |
