MACSEN
MANDARIN
MARTECH
MASTERTRONIC
MELBOURNE HOUSE
THE MICRO SELECTION
MICROBYTE
MICRODEAL
MICROGAME
MICROGRAF
MICROTRUST
MIDAS
MIRRORSOFT
OTHERS:
SPITFIRE 40 (DISK)
MOSAIC
MP SOFTWARE
MR MICRO
HUMPHREY
MRJ
MRM
OTHERS:
ARTIST