M Squared | | Australia |
M&M Music | | |
M+M Music | | United States |
M-Outputs | | Germany |
M-squared | | |
M.L.Music (= Missing Link Music) | | United States |
M.P.H. | | Netherlands |
M.T.L. | | United States |
M.T.T. Records | | Netherlands |
M4TR Productions | | |
Mad Tapes & Records | | Belgium |
Madam Poo | | Japan |
Magenta Mirror | | |
Maggioli Editore | | |
MAHCAS | | United States |
Mahlow Productions | | |
Main Vein Records | | |
Making of plus show | | |
Maldoror Tapes | | |
Malok | | |
MAM Music Network | | Belgium |
MAM-Aufnahme, Ffm | | Germany |
Man At The Off Licence | | United Kingdom |
Man's Hate Product | | |
mangia troppo music | | |
MAP Tapes | | United Kingdom |
Marginal Distribution | | |
Markus Schwil | | |
Marquis Tapes | | Italy |
Mars Multimedia | | |
Mars Multimedia / Avant Garde Films | | |
Martin Hall | | Denmark |
Martyrwell Music Ltd | | |
Mary Dorothy Vertlag | | |
Marzidovshek Minimal Laboratorium | | Slovenia |
Masking Tapes | | Australia |
Massimo Toniutti Editore | | |
Master Bedroom Music | | |
Materia Sonori | | |
Maya Music Group | | Canada |
Maybe Mental | | United States |
MC-Tapes | | Germany |
McRae Music | | United States |
Me Tapes | | |
Mea Culpa Records | | |
Mechanic Casettes | | |
Mechanical Orchestration Music | | Belgium |
Mectpyo Sounds | | Italy |
Media Luna | | |
Media-Space | 1981-86 | Australia |
Medicinal Tapes | | France |
Medusa Evident | | United Kingdom |
MegaMagoMusic | | Italy |
Melodramatic Records | | Germany |
Membrum Debile | | |
Memphis Productions | | |
Mensanjero Records | | Spain |
Mental Cassettes | | Netherlands |
Mental Decay | | |
Mental Hygiene Cassettes | | United States |
Mental Screen | | Japan |
Messenger Music | | |
Metallanguage | | |
Metamkine | | France |
MetationMedia | | |
Metaware | | Germany |
Methane Music | | |
Methylunna Music | | United States |
Mex | | United Kingdom |
MHG Cassettes | | United States |
MHN/SSP Production | | |
Mi-Mort | | United Kingdom |
Micrart | | Belgium |
microDot Records | | South Africa |
Midas Music | | Netherlands |
Midas Tapes | | Netherlands |
Midnight Music | | |
Miezi Platten | | Germany |
MiG Records | | United States |
Migraine Music | | United States |
Mikail Graham / Tom Reddock | | United States |
Milchwerk-Tapes | | Germany |
Milenoise Cassettes | | |
Miles Long Productions | | |
Mind And Media | | Denmark |
Mindscan | | |
Mindscan Tapes | | United Kingdom |
Minerva Editions | | United States |
Ministry of Culture | | United States |
Ministry Of Power | | |
Ministry Of Ultramarine Theatres | | |
Minor 2nd Music | | |
MinĂły Cassetteworks | | |
Minus Habens | | |
Minus Habens Records | | Italy |
Minus Habens Tapes | | Italy |
Miracle and Music Unlimited | | United States |
Mirage Tapes | | United Kingdom |
Mirrordot | | United Kingdom |
Mirth And Merriment Productions | | |