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 About Records

Mad At The World

Mad Kat

Mad Music

Mad Rover

Madagascar

Madfish

Madlib Invazion

Maestro Records

Magi

Magic Bullet

Magic Carpet

Magic Lantern Records

Magic Marker

Magic Records

Magik

Magna Carta

Magna Graphic

Magnet

Magnetic Eye / Small Stone

Magnum

Magnum Force

Magnum Force Records

Mahalo

Main Line

Main Street Productions

Mainstream

Mainstream Records

Major Label

Major Minor

Major Records

Makaha

Makeshift Music

Making Waves

Makossa

Malaco

Malaco Records

Malibu

Malicious

Malicious Damage

Mallard

Maltese Falcon

MAM

Mama Bird

Mammoth

Mandala

Mango

Manhattan

Manhattan Records

ManholeMusic

Manic Ears

Manifesto

Manimal

Manimal Vinyl

Mankind

Manmade

Manna Records

Manticore

Mantra Records

Maranatha Music

Marble Arch

Marco

Marco Polo

Marcus Records

Marge

Marina

Mark

Mark 56

Mark II

Mark IV

Mark Levinson

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 Bates

Masters Of The Bow

Masterscores

Masterworks

Masterworks / Dead Oceans

Masterworks Broadway

Matador

Mati-Mor

Matrix

Matthew Ian Nowlin

Maverick

Maverick Recording Company

MAW

MAW Records

Maxell

Maxwell

Maya Records

Maze Music

MBK

MBK Entertainment

MCA

MCA / Westminster

MCA Coral

MCA Impulse

MCA Impulse!

MCA Nashville

MCA Records

McDonald's

MCF

McGill University Records

MCM Records

MCZ

Meadowlark Records

Meaoanr

Meat Yer Beat

MEC

Meca

Medallion

MediaMusic

Mediarts

Medical

MEGA

Mega Collider Records

Megaforce

Megaforce Records

Mello Music Group

Melodeon

Melodia

Melodia / Eurodisc

Melodia / Le Chant Du Monde

Melodia-Eurodisc

Melodiya

Melodiya / Angel

Melodiya / EMI

Melodiya / Eurodisc

Melodiya / His Master's Voice

Melodiya / HMV

Melodiya/Angel

Melodram

Melody

Melody Dawn

Melody International

Melody Premium

Melodyland

Melting Pot Music

Melvin

Melwood Music

Membran

Memoirs

Memphis Industries

Men At Work

Mercury

Mercury Golden Imports

Mercury Living Presence

Mercury Nashville

Mercury Wing

Mercy Beat

Merge

Merge Records

Meridian

Meridian Records

Merlin

Merlin Records

Merry Go Round

Mesa

Messidor

Met / RCA Soria

Meta 4

Metal Beat

Metal Blade

Metal Blade Records

Metal Face Records

Metal Legions

Metalanguage

Metalworks

Metamusic

Metavinyl

Method Records

Metro

Metro Records

Metromedia

Metromedia Records

Metronome

Metronomoe

Metropole

Metropolis

Metropolitan Museum Of Art

Metropolitan Opera Guild

Metropolitan Opera Historic Recordings

Mexican Summer

Meyer

MFA

MFA / Erato

MFA / Harmonia Mundi

MFP

MGM

MGM / Kolob

MGM / Verve

MGM Records

MGM/Kolob

Miami Records

Michael's Pub

Microsonics

Midi

Midland International

Midsong

Midsong International

Midway

Mike Sweetland

Milagro

Milan

Milestone

Milidomo

Military

Miljac

Milk! Records

Millennium

Milvia Son

Mindfield

Mindless Records / BMG

Mindwave

Mine

Mini

Ministry Of Information

Minit

Minky Records

Mint 400

Minty Fresh

Minus Head

Mira

Mirage

Mirror

Misfits

Misra

Miss Records

Missing Vinyl

Mississippi Records

Mississippi/Change Records/City Hall Records

Mistakes

Mitchell Brothers

Mitzva Records

Mixtur

MK Records

MKM

MLH

MM

MMC

MMG

MNRK Urban

Mo Wax

Mobile Fidelity

Mobile Fidelity Sound Lab

Moby Dick

Moche-Naim

Moco

MOD

Mode

Model 101 Records

Modern

Modern Harmonic

Modern Muzak Collection

Modern Outsider

Modern Records

Modular

Modular Recordings

Moers

Moers Music

Mojo Magazine

Mole Jazz

Mom + Pop

Mom+Pop

Mondo

Money Records (2)

Monitor

Monitor Records

Monkeywrench Records

Monmouth

Monmouth Evergreen

Mono Mundo Recordings

Monogram

Monroe

Monster Melodies

Montage

Monte Hollywood

Monte Rosa

Montell

Monterey

Montilla

Monument

Monumenta Belgicae Musicae

Mood

Mood Records

Moodsville

Moon

Moon Glyph

Moon Jaw

Moon Shot

Moonbeam

Moonglow

Moonlight

Moose

Mopro

Morada Records

More

More Love Records

Morrhythm Records

Møs Møs

Mosaic

Mosaic Records

Moss Music Group

Mosta Records

Motéma

Mother Earth

Mother Of Pearl

Mother Of Pearl Records

Mothlight

Motic Communications

Motorcity

Motorhead

Motown

Mount Moriah Music

Mountain Dew

Mountain Railroad

Movieplay

Moving Target

MoWest

Moyenage

MPI Records (6)

MPL

MPL / Capitol

MPL / Hear music

MPL / Starbucks

MPS

MPS Records

MR

Mr Bongo

Mr. Manicotti Records

MRF

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

Muggelig Records GmbH

Muggsy Records

Multijazz

Mums

Munich

Munster

Munster Records

Muramatsu

Murari

Murder One

Murderecords

Murmil Associates

Murmur

Murray Hill

Murray Hill Records

Musa

Musart

Muscle Shoals Sound

Muse

Muse Records

Muse/Art Records

Museu Villa-Lobos

Mushroom

Mushroom Records

Music Afrique

Music Collection

Music Disc

Music Factory

Music For Pleasure

Music Fusion

Music Gate

Music Guild Records

Music Heritage Society

Music Is Medicine

Music Library

Music Maker Relief Foundation

Music Masterpiece Society

Music Masters

Music Matters / Blue Note

Music Matters Ltd.

Music Matters Ltd. / Blue Not

Music Matters Ltd. / Blue Note

Music Minus One

Music Of Polynesia

Music On Vinyl

Music On Vinyl / Columbia

Music Rage

Music Rough Guides

Music Unlimited

Music West

Music Works

Musica

Musica Bavarica

Musica Latina International

Musica Magna

Musica Mundi

Musica Records

Musica Viva

Musical Heritage Scoiety

Musical Heritage Society

Musical Masterpiece Society

Musical Tragedies

Musicaphon

Musick

MuSick Recordings

Musicmasters

Musicor

Musicor Records

Musicraft

Musidisc

Musimex

Musique Circle

Musique Culture

Musique En Wallonie

Musique Vivante

Mute

Mutiny Shadow International

Mutt & Jeff

Muza

Muzak

MVD

MVD Audio

MVD Visual

My Music Box

Myoho

Myoho Records

Myrrh

Myrrh LA

Mystery Fez

Mystic Records

Mystra Records

Myto