| ID | Name | Type |
|---|---|---|
| #10066 | Multitron | ? |
| #10067 | Multyplex Group | Z |
| #10068 | Mumrin Nikolaj | ? |
| #19096 | Mungus Software | Z |
| #10069 | Munning Games | Z |
| #10070 | Mupados | ? |
| #10071 | Murray Sargent | ? |
| #10072 | Murry | ? |
| #10073 | Murti | ? |
| #10074 | Murzen | ? |
| #18313 | Musamy Software | P |
| #18707 | Muscles | - |
| #10075 | Mushroomsoft | Z |
| #17552 | Music Sales | M |
| #10076 | Music Soft | Z |
| #17553 | Music by Mail | S |
| #10077 | Musical 1 S.A. | Z |
| #10078 | Musical Muntaner S.A. | Z |
| #22675 | Mustard Tiger | P |
| #18154 | Mustrum Ridcully | - |