| ID | Name | Type |
|---|---|---|
| #22533 | Microcomputer Games | Z |
| #17520 | Microcomputer Services | S |
| #9722 | Microcosm | ? |
| #9723 | Microdeal | P |
| #17521 | Microdealer International | M |
| #9724 | Microdelerium | ? |
| #9725 | Microdigital | Z |
| #9726 | Microdigital Eletronica Ltda | Z |
| #9727 | Microdigital Soft S.A. | Z |
| #9728 | Microdinamite | ? |
| #9729 | Microdot Software | Z |
| #9730 | Microdrive Conversions | B |
| #9731 | Microelectronics Education Programme | Z |
| #9732 | Microfactor | ? |
| #17522 | Microfast | R |
| #9733 | Microfayre | Z |
| #17523 | Microfix BSE | R |
| #17524 | Microgame | X |
| #9734 | Microgame Simulations | Z |
| #17525 | Microgem | H |