Magick Science Records

unknown

Magik Art Entertainment

Russia

Magistellus Infernal

Peru

Magister Dixit

Belgium

Magition Records

unknown

Maglaia

Japan

Magma Pure Underground Distribution

Italy

Magmatic Music

France

Magna Carta

USA

Magna Opera Studio

unknown

Magna Pacific Music

unknown

Magnatude Records

USA

Magnatune

USA

Magneoton

Hungary

Magnet

unknown

Magnetic Air Records

Canada

Magnetic Eye Records

USA

Magnetic Music

unknown

Magnetic Video

unknown

Magnetism Records

unknown

Magnicidio Records

Mexico

Magnificence Records

Australia

Magnitude

Luxembourg

Magno Records

unknown

Magnum America

USA

Magnum Music

Taiwan

Magnum Music Group

United-Kingdom

Magnum Records (CAN)

Canada

Magnum Records (TWN)

Taiwan

Magnus Pike Records

Portugal

Magpie Records

Spain

Magrock Records

United-Kingdom

Magsjuka Records

Sweden

Magyar Records

Hungary

Mah Studio

unknown

Mahakalaratri Productions

Ukraine

Mahamvantara Arts

Chile

Mahana Bay

France

Mähinä Records

unknown

Mählä Productions

unknown

Mahn Group

unknown

Mahnmal Records

unknown

Mahorka

Bulgaria

Mahtra Records

United-Kingdom

MaidenArg Records

unknown

Maidenology Productions

unknown

Mailboat Records

USA

MAIM (BRA)

Brazil

Maim (PHL)

Philippines

Main

unknown

Main Event Records

USA

Main Man Record

USA

Mainstay Recordings

USA

Mainstream

USA

Mainstream Records

USA

Maintain Records

Germany

Majemuk Records

Indonesia

Majesphere Records

USA

Majestat Nocy Promotion

Poland

Majestic

unknown

Majestic Melodies

unknown

Majestic Metal Records

unknown

Majestic Mountain Records

Sweden

Majestic Nightrealm Records

Germany

Majestic Records

unknown

Majestic Rock

United-Kingdom

Majestic Twilight Creations

USA

Majestic Union Records

Germany

Majesty

unknown

Majko Productions

unknown

Major Label Industries

Portugal

Major League Productions (MLP)

United-Kingdom

Major Leiden Productions

Finland

Major Minor Records

United-Kingdom

Major Oak

unknown

Major Records (GER)

Germany

MAK Rekords

United-Kingdom

Make Big Records

Germany

Make My Day Records

Germany

Maker Records

Singapore

Makeshift Origami

USA

Maketa

Spain

Makima Records

Russia

Making of Producoes

unknown

Making Waves (FRA)

France

Making Waves (UK)

United-Kingdom

Makumba Music

Poland

Mal De Testa Records

Italy

Mal Eventum

Italy

Mal Viaje Discos

USA

Mala Famae Records

France

Mala Raza

Spain

Malabsorptie Records

Belgium

Malaluna Records

Italy

Malarie Records

Czechia

Malaysian The Darkness (MTD)

Malaysia

Maldita Sea La Música

Mexico

Maldito Records

Spain

Maldoror

unknown

Maldosos Productions

Mexico