M Records
M.C.R. Productions
M.J.M.
M2
MA Recordings
Machinery Records
Made To Measure
Made Up Records
Madhouse Records
Madman Studios
Magic Carpet
Magic Stars Ltd
Magnet
Magnet, Warwick
Mailboat Records
Main Line
Mainstream Records
Major Label/Sony Music/RCA/FOUR Music
Malaco Records
Malco
Maldoror
Malicious Damage
Malignant Records
Malligator
Malypense
MAM
Mam, London
Mambo
Mango
Manhaton Records
Manhattan Records
Manhattan Records, Manhattan Island Records, EMI
Manimal Vinyl Records
Manticore Records
Mantra Recordings
Many Records
Manzana
Marble Arch Records
Marble Four
Marc On Wax Ltd.
Marc Records
Marcato
Marfer
Margophone
Mariann Records
Marifon
Marilla
Marina Records
Maritim
Marlin
Marmalade
Master
Master Plus
Master Records
Masterpiece
Masters
Matador
Matra Records
Matricula Records
Matrix Records
MatuZalem Records
Mausoleum Records
Maverick
Max Music
Maze Music
Maze Records
MBO
MCA Coral
MCA Music Entertainment GmbH
MCA Records
MCA, Curb
MCA, Stiff
MCR Productions
MCR Records
Media Motion
Media Video
Medical Records LLC
Medley Records
Medusa Records
Mega Records
Megadisc
Megaforce Worldwide
Megatone Records
Melba, Disques Vogue
Mellotronen
Melodi's Records
Melodia, Eterna
Melodia, Mietfinanz
Melodisc
Melodiya / Celebria
Melodiya, Angel
Membran Music
Membrum Debile Propaganda
Memory Records
Memphis International Edition
Mental Groove Records
Mercenary Records
Merciful Release
Merciful Release,WEA
Mercury
Mercury, Barclay
Mercury, Bronze
Mercury, Phonogram
Mercury, Wing
Mercury/Polygram
Merge Records
Merry-Go-Round Records
Messias Medien, Riot Records
Metal Beat
Metal Blade Records
Metal Masters Records
Metal-is Records
Meteor
Metro
Metronome
Metronome 2001
Metronome Musik GmbH
Metronome, Fiction
Metronome, London Records
Metronome, PolyGram
Metronome, Sherman Rec
Metronome, West Side
Metropol
Metropolis Studios
MFP
MGM Records
MGM Records, Select
MGM, Lilith
MGM, Verve
Mh ...Es Argentina!, Carrere
MH... Es Argentina!
Micro Record, Victor
Microfon
Middle Earth
Midi
Midland International Records
Midney
Midnight Music
Midsong International Records
Midwinter
Milan Records
Milan Records/SPI
Milestone Records
Milestone Records, ZYX Music
Mini Rock Records
Minibar
Minimal Wave
Minos
Minuswelt Musikfabrik
Mirage
Mirage 3000
Mission Control
Misty Circles
Mjölnir Tonkunst
MNW
Mobile Disco Records
Mobile Fidelity Sound Lab
Moby Dick Records
Mode Disques
Modern Records
Modular Recordings
Mojo
Moloko+
Monitor
Monk
Monkey Puzzle Records, RCA
Monopol Records
Montage Records
Monument Record Corp.
Moon Records
Mooncrest
Mooncrest, Vertigo
Moonraker
Moonray Record
More Protein, Virgin
Moroz Records
Morr Music
Mosaic Records
Mother Records
Motley Records
Motor Music
Motorwolf Records
Motown
Motown, EMI
Mountain Records
Movieplay
Moving Image Entertainment
Moving Target
MP Records
MPL Communications
MPL Communications, Columbia
MPL Communications, EMI Electrola
MPL Communications, Hear Music
MPL, EMI, Parlophone
MPS Records
MPS Records,BASF
Mr. Disc Organization
Mr. Pickwick
MSA
MSA, BMG
MsMusic Productions, Audio Fidelity
MTM Entertainment
MTM Privacy
MTV-Musiikki
Mucho Gusto Records
Munhwa Records, Creato
Murray Hill Records
Musart
Muse Records
Musea
Mushroom
Music
Music Box International
Music Brokers
Music Design Records Co. Ltd
Music Factory
Music For Dreams/VME
Music For Media
Music For Nations
Music For Nations, Intercord
Music For Pleasure
Music For Pleasure, EMI
Music Maniac Records
Music On Vinyl
Music On Vinyl, Columbia
Music Parade Cetra
Music Portrait Ltd
Music-Box
Musica De La Santa
Musica Magna
Musica Maxima Magnetica
Musical Heritage Society, Inc.
Musicalys
Musicmasters
Musicor Records
Musidisc
Musidisc
Musik-Club
Musikant,EMI
Musiklaget
Musiknatet Waxholm
Musiza
Muskadine
Mute
Mute Records
Mute Records, Intercord
Mute, Kling Klang
Mute, Orizzonte
Mutual Film Enterprises
Muza
