Morphine

unknown

Morphklan Music Inc.

USA

MorphMusic

unknown

Mörri Records

unknown

Morrison Records

unknown

Morrison Studio Production

unknown

Morrowless Music

Sweden

Mors Aeterna Productions

Canada

Mors Ultima Ratio

unknown

Mort Aux Vaches

Netherlands

Mort Productions (CHN)

China

Mort Productions (PL)

Poland

Mort-Discos

unknown

Mort-Né Editions

France

Mortal Blood Records

Indonesia

Mortal Coil Records

USA

Mortal Dreams

unknown

Mortal Music

USA

Mortal Records

United-Kingdom

Mortal Rite Records

Germany

Mortality Rate

unknown

Mortarhate Records

unknown

Morte Pacifica Productions

Brazil

Morte Studio

unknown

Mortem Production

Sweden

Mortem Records

USA

Mortesecca Productions

Italy

Mortician Records

USA

Mortification Records

Canada

Mortis Humanae Productions

France

Mortua Silva Productions

France

Mortuaria Productions

unknown

Mortuário Produções

unknown

Mortuary Music

unknown

Mortuus Music

USA

Mortuus Vivens Imperium

USA

Mortville Music

USA

Mortville Noise

USA

Mos Recording

unknown

Mosai

unknown

Mosaïc Music

unknown

Mösambique Records

unknown

Mosegrodd Productions

unknown

Moseka Records

USA

Mosh Bart Industries

unknown

Mosh Pit

unknown

Mosh Records

USA

Mosh Tuneage

unknown

Mosh-It-Up

unknown

Moshé-Naïm

France

Mosher Records

Portugal

Mosher Zero

Austria

Moshers Delight Records

USA

Moshi Moshi

unknown

Moshing

unknown

Moshing Records

unknown

Moshover Records

Netherlands

Moshpit Murder Recordz

Austria

Moshpit Tragedy Records

Canada

Moshroom

Germany

Moshtache Records

unknown

Mospharic Recording Limited

USA

Mosquito Records

Russia

Mota Records

unknown

Motel Records

unknown

Moth Records

Italy

Mother Death Productions

Italy

Mother Earth

unknown

Mother Fuzzer Records

Ireland

Mother House Records

unknown

Mother Noize

unknown

Mother Ship Records

unknown

Mother Should Know Records (MSK)

United-Kingdom

Mother Sky Tapes

USA

Mother Tongue

unknown

Mothlife

unknown

Mothman Production

France

Mothra Records

Finland

Motive Sounds

unknown

Mötley Records

USA

Motocultor Productions

unknown

Motoloid

Japan

Motor City Metal

unknown

Motor City Rhythm

unknown

Motor City Rock'n'Roll

USA

Motor Music

Germany

Motor Universal

Unknown

Motörbööt Records

Switzerland

Motorbreath Records

Germany

Motorchest Records

unknown

Motorcrash Records

unknown

Motorhead Music

United-Kingdom

Motorheadbangers Records

unknown

Motorized Records

Germany

Motörkaos Records

unknown

Motorpunk Records

USA

Motosierra Records

unknown

Motown Records

Unknown

Mottow Soundz

Belgium

Mould In Hell Records

Sweden