M & K Realtime Records

M Records

M Studios

M&K

M&K Sound Inc.

M'Lady's

M-80

M. Ward Records

M.A.O.

M.F. Distribution Co., Inc.

M.S.R.

M.W.I.C.

MA Music

MA Recordings

Mac's Record Label

Mace

Mace Records

Mack

Mack Avenue Records

mack Sanders Productions

Macola

Macola Record Co.

Mad

Mad At The World

Mad Kat

Mad Music

Mad Rover

Madagascar

Madfish

Madlib Invazion

Maestro Records

Magi

Magic Carpet

Magic Lantern Records

Magic Marker

Magik

Magna Carta

Magnet

Magnetic Eye / Small Stone

Magnolia Music

Magnum

Magnum Force Records

Mahalo

Main Line

Main Street Productions

Mainstream

Mainstream Records

Maison Des Cultures Du Monde

Major Label

Major Minor

Major Records

Makaha

Makeshift Music

Making Waves

Makossa

Malaco

Malibu Records

Malicious Vinyl

Mallard

Maltese Falcon

MAM

Mama Bird

Mammoth

Mandala Records

Mango

Manhattan

Manhattan Records

ManholeMusic

Manic Ears

Manifesto

Manimal Vinyl

Mankind

Manmade

Manna Records

Manticore

Mantra Records

Maranatha Music

Marathon Artists

Marco

Marco Polo

Marcus Records

Marina

Mark

Mark 56

Mark II Records

Mark IV

Mark Levinson

Mark Records

Mark Records Ltd.

Mark56 Records

Marlin

Marquis

Marshal Fields

Marsher 201

Marshmallow

Martian

Martian Records

Mary Jane Productions

Mass Appeal

Massive

Master Jazz

Master Sound

Masters

Masters Of The Bow

Masterscores

Masterworks

Masterworks / Dead Oceans

Masterworks Broadway

Matador

Mati-Mor

Matrix

Matthew Ian Nowlin

Maverick

Maverick Recording Company

Maverick Records Inc.

MAW

Maxell

Maxwell

Maya Records

Maze Music

MBK

MBK Entertainment

MBSO

MCA

MCA / Westminster

MCA Classics

MCA Coral

MCA Impulse

MCA Impulse!

MCA Nashville

MCA Records

MCA Songbird

MCA Westminster

McDonald's

MCF

McGill University Records

MCM Records

Meadowlark Records

Meaoanr

Meat Machine

Meat Yer Beat Records

MEC

Meca

Medallion

MediaMusic

Mediarts

Medical

Mega

Mega Collider Records

Megaforce

Megaforce Records

Megajamm Recordz

Megaphone

Mello Music Group

Melodeon

Melodia

Melodia / Eurodisc

Melodia-Eurodisc

Melodiya

Melodiya / Angel

Melodiya / EMI

Melodiya / His Master's Voice

Melodiya / HMV

Melodiya/Angel

Melodram

Melody

Melody Dawn

Melody International

Melody Premium

Melodyland

Melting Pot Music

Melwood Music

Memoirs

Memphis Industries

Men At Work

Merciful Release

Mercury

Mercury Living Presence

Mercury Nashville

Mercury Wing

Mercy Beat

Merge

Merge Records

Meridian

Meridian Records

Merlin

Merlin Records

Merry Go Round

Merry Makers Record Company

Mesa

Messidor

Meta 4

Metal Beat

Metal Blade

Metal Blade Records

Metal Legions

Metalanguage

Metalworks

Metamusic

Metamusic Records

Metavinyl

Method Records

Metro

Metro Records

Metromedia

Metromedia Records

Metronome

Metronomoe

Metropole

Metropolis

Metropolis Studios

Metropolitan Opera Guild

Metropolitan Opera Historic Recordings

Mexican Summer

Meyer

Mezhdunarodnaya Kniga

MFA / Erato

MFA / Harmonia Mundi

MFP

MGM

MGM / Verve

MGM Records

MGM/Kolob

Michael's Pub

Michga Records

Micks Records

Microsonics

Midi

Midland International

Midsong

Midsong International

Midway

Milagro Records

Milan

Milestone

Milidomo

Military

Milk! Records

Millennium

Millennium Classics

Milljac Pub Co.

Milvia Son

Mind Control

Mind OVer Matter Records

Mindfield

Mindless Records / BMG

Mindwave

Mine

Mini Records

Ministry Of Information

Minit

Minky Records

Mint 400

Minty Fresh

Mira

Mirage

Mirror

Misfits

Misfits Records

Misra

Missing Vinyl

Mississippi Records

Mississippi/Change Records

Mistakes

Mitchell Brothers

Mitzva Records

Mixtur

MJJ Productions

MK Records

MKM Records

MLH

MM

MMC

MMG

MNRK Music Group

MNRK Urban

Mobile Fidelity

Mobile Fidelity Sound Lab

Moby Dick Records

Moco

MOD

Mode

Model 101 Records

Modern Harmonic

Modern Muzak Collection

Modern Outsider

Modern Records

Modular

Modular Recordings

Moers

Moers Music

Mojo Magazine

Mole Jazz

Molemen

Mom + Pop

Mom+Pop

Mondo

Money Records

Monitor

Monitor Records

Monkey Wrench

Monkeywrench Records

Monmouth Evergreen

Mono Mundo Recordings

Monogram

Monroe

Monster Melodies Records

Montage

Monte Hollywood Records

Monte Rosa

Montell

Monterey Records

Montilla

Monument

Monumenta Belgicae Musicae

Mood Records

Moon Glyph

Moon Jaw

Moon Records

Moon Shot

Moonbeam

Moonglow

Moonlight

Moose

Mopro

Morada Records

More

More Love Records

Morrhythm Records

Møs Møs

Mosaic

Mosaic Records

Mosta Records

Motéma

Mother Of Pearl

Mother Of Pearl Records

Mothlight Records

Motic Communications

Motorcity

Motown

Motown Latino

Mount Moriah Music

Mountain Dew Records

Mountain Railroad

Mountain Railroad Records

Movieplay

Moving Target

MoWest

Moyenage Records

MPI Records (6)

MPL

MPS

MPS Records

MR

Mr Bongo

Mr. Manicotti Records

MRF Records

MRS Records

MSA Records

MSFTS Music

MSI

MsMusic Productions

MSP

MT Records

Mt. Angel Abbey

MTA

MTA Records

MTI Records

MTM

MTS

MU Land

Mud Duck Music

Muggsy Records

MultiJazz Records

Mums

Munich

Munster

Munster Records

Muramatsu

Murari

Murder One

Murmil Associates

Murmur

Musa

Musart

Muscle Shoals Sound Records

Muse

Muse Records

Muse/Art Records

Musea

Museu Villa-Lobos

Mushroom

Mushroom Records

Music Afrique

Music Collection

Music Disc

Music Factory

Music For Nations

Music For Pleasure

Music Fusion

Music Gate

Music Guild Records

Music Heritage Society

Music Is Medicine

Music Library

Music Maker Relief Foundation

Music Masters

Music Matters Ltd.

Music Minus One

Music Of Polynesia

Music On Vinyl

Music Rage

Music Rough Guides

Music Unlimited

Music West

Music West Records

Music Works

Musica

Musica Magna

Musica Mundi

Musica Records

Musical Heritage Scoiety

Musical Heritage Society

Musical Masterpiece Society

Musical Signature

Musical Tragedies

Musicaphon

Musick

MuSick Recordings

Musicmasters

Musicor

Musicor Records

Musicraft

Musidisc

Musik auf Villa Hügel

Musimex

Musique Circle

Musique Culture

Musique En Wallonie

Musique Vivante

Muskadine

Mute

Mutiny Shadow International

Mutt & Jeff

Muzak

MVD

MVD Visual

My Music Box

Myoho Records

Myoho Records (2)

Myrrh

Myrrh LA

Mystery Fez

Mystic Records

Mystra Records

Myto

Myto Records