Updated

M1 (Complete)
MAELSTROM
MAFIA AND FLUXY (Reggae) (Complete)
MAIN SPRING (Complete)
MAINSTATION (Complete)
MAJESTY RECORDINGS
MAJESTY OF ROCK
MAJOR LABEL (Sony)
MAKE MINE
MAKE MINE MUSIC
MAKE SOME NOISE (Complete)
MANNEQUIN REPUBLIC (Complete)
MARQUIS CHA CHA (Complete)

MAINSTATION COMP

MARQUIS CHA CHA

MARRAKESH
MARSHALL TELLER
MASSIVE ADVANCE (Complete)
MASTERSWAN RECORDINGS
MATE (Complete)
MATHE-MATIC (Complete)
MAY GO ZERO
MBM (Complete)
MEASURED
MECCICO
MEDICAL IMPRINT
MEGA DODO
MEGARIDER (Complete)
MEIFUMADO
MELODIC
MELTDOWN
MERDOC
MEROK
MERSOL MUSIC (Complete)
MESTERS
METAL & DUST
METROPOLIS MUSIC
METROPOLIS RECORDINGS (Complete)
MHR
MICHIGAN IMPRINT (Complete)
MIDFLIGHT
MIDMARCH
MIGHTY ATOM
MILE HIGH MUSIC
MILITANT ENTERTAINMENT
MILK (Complete)
MILY (Complete)
MIND EXODUS RECORDINGS

MINI TENOR (Complete)

MINT MUSIC (Complete)
MIRRORS (Complete)
MISCHIEF MUSIC
MISPLACED (Complete)
MITCHAM SUBMARINE (Complete)
Mmm... (Island Records)
MO POP
MOD ART SOUNDS (Complete)
MODEL CITIZEN (Irish)
MODERN ART (Complete)
MODERN ENGLISH
MODERN POP
MOJO MAGAZINE
MOLLUSC
MONOCLE 78

MONKEY FACE (Complete)
MONKEY PUZZLE
MONKEY TENNIS RECORDINGS
MONOTREME
MOON-ON-A-STICK
MOORE BROTHERS MUSIC (Complete)
MORDANT MUSIC
MORDGRIMM
MORECAMBE ROCK
MORNING
MORNING STAR INTERNATIONAL (Complete)

MOSHI MOSHI (Complete)
MOSELEY SHOALS (Complete)

MOTH (Complete)

MOTHER TONGUE

MOTH NOISE
MOTHERSHIP (Complete)
MOTIVE SOUNDS RECORDINGS (Complete)
MOTOR CITY FUEL

MUD HUT
MUKATSUKU (Complete)

MUN MUN INTERNATIONAL (Reggae)

MUSIC FOR HEROES
MUST DESTROY

MUTE IRREGULARS
MUTHAS OF INVENTION (Complete)
MUTUAL LIFE (Complete)
M VINE (Complete)

MY DAD RECORDINGS

MY KUNG FU