| MA - KAHRU DISTRIBUTION | http://makahru.cjb.net/ |
| MALIGNANT RECORDS | http://www.malignantrecords.com/ |
| MARTYR MUSIC GROUP | http://www.martyrmusicgroup.com/ |
| MASSACRE RECORDS | http://massacre-records.com/ |
| MASTERVOX RECORDS | http://www.mastervox.fi/ |
| MAYHEM RECORDS | http://www.mayhemfierce.com/ |
| MELODY GARDOS PRODUCTION | |
| MERCILESS RECORDS | http://www.merciless-records.de/ |
| MERET PRODUCTIONS | |
| METAL - IS | http://www.sanctuaryrecordsgroup.com/metalis/index.html |
| METAL AGE | http://www.metalage.sk/ |
| METAL BLADE RECORDS | http://www.metalblade.com/ |
| METAL BREATH | http://www.metalbreath.cz/ |
| METAL CORE DISTRIBUTION | http://members.tripod.com/~immolationMOM/MetalCoreDiscs.html |
| METAL MIND | http://www.metalopolis.pl/ |
| METALGATE | http://www.metalgate.cz |
| MIGHTY MUSIC | http://www.mightymusic.dk/ |
| MILLENIUM METAL MUSIC | http://www.infernalhorde.com/milleniummetal/ |
| MISANTHROPY RECORDS | http://listen.to/misanthropy |
| MONSTERNATION | http://www.monsternation.cz |
| MOON RECORDS | http://www.moonrec.kiev.ua/ |
| MOONFOG PRODUCTIONS | http://www.moonfog.com/ |
| MORBID RECORDS | http://www.morbidrecords.de/ |
| MORE HATE PRODUCTIONS | |
| MUSIC FOR NATIONS | http://www.music-for-nations.co.uk/ |
| MUTILATED RECORDS | http://www.mutilatedrecords.com/ |
