M Records

M Studios

M&K

M&K Realtime

M&M

M&M / Project 3

M'Lady's

M-80

M. Ward Records

M.A.

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.

Macrobiotic Records

Mad

Mad About Records

Mad At The World

Mad Kat

Mad Music

Mad Rover

Madagascar

Madfish

Madison Gate

Madlib Invazion

Madlyn

Madonna

Maestro Records

Magi

Magic Bullet

Magic Carpet

Magic Disc

Magic Lantern Records

Magic Marker

Magic Records

Magik

Magna Carta

Magna Graphic

Magnet

Magnetic Eye / Small Stone

Magnum

Magnum Force

Mahalo

Mahogany

Main Line

Main Street Productions

Mainstream

Mainstream Records

Major Label

Major Minor

Makaha

Makeshift

Making Waves

Makossa

MAL

Malaco

Malcolm Goldstein

Malibu

Malicious

Mallard

Mam

Mama Bird

Mamlish

Mammoth

Manchester Musicians' Collective

Mandala

Mango

Manhattan

Manhattan Records

Manhole Music

Manic Ears

Manic Records

Manifesto

Manimal

Manimal Vinyl

Mankind

Manmade

Manticore

Mantra Records

Manufactured Recordings

Maranatha Music

Maranatha! Music

Marble Arch

Marco

Marco Polo

Marcon Path

Marge

Maria

Marilyn

Marina

Mark

Mark 56

Mark II

Mark IV

Mark Levinson

Mark56 Records

Marlin

Marquis

Marshal Fields

Marsher

Marshmallow

Marsound

Martian

Martian Records

Martina

Massive

Master Jazz

Masterdisk / Capitol

Masters

Masters Of The Bow

Masterscores

Masterseal

Masterworks

Masterworks / Dead Oceans

Matador

Matador / Vinyl Me, Please

Mati-Mor

Matrix

Matthew Ian Nowlin

Maverick

MAW

MAW Records

Maxell

Maxwell

Maya Records

Mayfair / Tops

Maze Music

Mazica

MBK

MCA

MCA / Impulse

MCA / Analogue Productions

MCA / Impulse

MCA / Westminster

MCA Classics

MCA Coral

MCA Coral – CDL 8034

MCA Impulse

MCA Impulse!

MCA Masterphile

MCA Nashville

MCA Records

McDonald's

MCF

McGill University Records

MCM

MCP

MCZ

Meadowlark Records

Meat Yer Beat

MEC

Meca

Medallion

Media Music

Mediarts

Medical

Medium Cool

Medusa

Mega

Megaforce

Megaforce Records

Megatone

Melodeon

Melodia

Melodia / Eurodisc

Melodiya

Melodiya / Angel

Melodiya / EMI

Melodiya / Eurodisc

Melodiya / His Master's Voice

Melodiya / HMV

Melodiya / Victor

Melodiya/Angel

Melodram

Melody

Melody Dawn

Melody International

Melody Premium

Melodyland

Melting Pot Music

Melvin

Melwood Music

Membran

Memoirs

Memphis Industries

Men At Work

Mercenary

Merciless Records

Mercury

Mercury / Speakers Corner Records

Mercury / UMe

Mercury Golden Imports

Mercury Living Presence

Mercury Nashville

Mercury Records

Mercy Beat

Mercy Records

Merge

Merge Records

Meridian

Merlin

Merrbach

Mersh Bros. Music

Mesa

Messidor

Met / RCA Soria

Meta 4

Metal Blade

Metal Blade / Enigma

Metal Blade Records

Metal Face Records

Metal Legions

Metalanguage

Metalville

Metalworks

Metamusic

Metavinyl

Metro

Metromedia

Metromedia Records

Metronome

Metronome / CTI

Metronomoe

Metropole

Metropolis

Metropolitan Museum Of Art

Metropolitan Opera Guild

Metropolitan Opera Historic Recordings

Mexican Summer

Meyer

Mezhdunarodnaya Kniga

MF

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

Mighty Mouth Music

Mike Sweetland

Milagro

Milan

Milestone

Milidomo

Military

Miljac

Milk & Sugar

Milk! Records

Mill

Millenium

Millennium

Milvia Son

Mindfield

Mindless Records

Mindless Records / BMG

Mindwave

Mine

Mini

Ministry Of Information

Minit

Minor Music

Minos

Mint 400

Minty Fresh

Minus Head

Mira

Mirage

Miranda

Mirror

Mirwood

Misfits

Misra

Mississippi / Change

Mississippi Records

Mistakes

Mitchell Brothers

Mitzvah

Mixtur

MK Records

MKM

MLH

MLP

MLVC

MM

MMC

MMG

Mobile Fidelity

Mobile Fidelity Sound Lab

Moby Dick

Moche-Naim

Moco

MOD

Mode

Modern

Modern Harmonic

Modern Harmonic ?

Modern Masters

Modern Muzak Collection

Modern Records

Modiner

Modular

Modular Recordings

Moers

Moers Music

Mojo

Mole Jazz

Mom + Pop

Mom+Pop

Momentos Trashicos

Mondo

Mondo Estéreo

Mondo Inferno

Money Records (2)

Monitor

Monitor Records

Monk

Monmouth

Monmouth Evergreen

Mono Mundo Recordings

Monogram

Monomatapa

Monroe

Monster Melodies

Montage

Monte Hollywood

Monte Rosa

Montell

Monterey

Montilla

Montuno

Monument

Monumenta Belgicae Musicae

Moo Cow

Mood

Moon

Moon Glyph

Moon Jaw

Moon Shot

Moonbeam

Moonglow

Moonlight

Moose

Mopro

Morada

Moral & Main

More

More Alarming

More Love

Moriphon

MORrhythm

Møs Møs

Mosaic

Moshé-Naïm

Moshi Moshi

Moss Music Group

Mosta Records

Motéma

Mother Earth

Mother Of Pearl

Mothlight

Motic Communications

Motorcity

Motorhead

Motown

Motown Record Corporation

Mount Moriah Music

Mountain

Mountain Dew

Mountain Railroad

Moving Target

Moyenage

MPL

MPL / Capitol

MPL / Starbucks

MPS

MPS Records

MR

Mr Bongo

Mr. Manicotti Records

Mr. Suit

MRF

Ms Music

Ms. B

MSA

MSFTS Music

MSI

MsMusic

MsMusic / Audio Fidelity

MSP

Mt. Angel Abbey

MTA

MTI

MTM

MTS

Mud Duck Music

Muggsy

Mulligan

Multijazz

Mums

Mundo Alegre

Munich

Munster

Muramatsu

Murari

Murmil

Murmur

Murray Brothers

Murray Hill

Murray Hill Records

Musa

Musart

Muscle Shoals Sound

Muse

Muse / Art

Muse Records

Museu Villa-Lobos

Mushroom

Music Afrique

Music Blitz

Music Collection

Music De Wolfe

Music Disc

Music Factory

Music For Nations

Music For Pleasure

Music Fusion

Music Gate

Music Heritage Society

Music Is Medicine

Music Maker

Music Masterpiece Society

Music Masters

Music Matters / Blue Note

Music Matters Ltd.

Music Minus One

Music Of Distinction

Music Of Polynesia

Music On Vinyl

Music On Vinyl / At The Movies

Music Rage

Music Rough Guides

Music Unlimited

Music West

Music West Records

Music Works

Musica

Musica Bavarica

Musica Latina International

Musica Magna

Musica Mundi

Musica Viva

Musical Heritage Scoiety

Musical Heritage Society

Musical Heritage Society, Inc.

Musical Masterpiece Society

Musical Signature

Musical Tragedies

Musicaphon

Musick

MuSick Recordings

MusicLab

Musicmasters

Musico

Musicor

Musicraft

Musidisc

Musimex

Musique Circle

Musique Culture

Musique En Wallonie

Musique Vivante

Mute

Mute Records

Mutiny Shadow International

Mutt & Jeff

Muza

Muzak

MVD

MVD Audio

MVD Visual

Myoho

Myrrh

Myrrh LA

Mystery Fez

Mystery Tape Laboratory

Mystic

Mystic Records

Mystra

Myto