Mordisco Recordings
- A Norwegian company releasing music by Epilektrician and other electronic acts. News, downloads, discography, and contact information.
- http://www.mordisco.com/

Magic Carpet Records
- Reissues CDs and vinyl from artists such as Magic Carpet Band, Clem Alford and Alisha Sufit. Information about the releases, links, and online store.
- http://www.magiccarpetrecords.com/

MRW44
- An Experimental label based in Edinburgh, United Kingdom. Artists include Hex, Nimrod 33, Alleschwindel and Jad Fair.
- http://www.mrw44.co.uk/

Miq Productions
- San Francisco label hosting the world music artists Kinetik Trance, 3Spell, and Basquerole and the experimental artists Kaderci, Warrior Caste, Intervals, Mech, and Kasosei.
- http://www.musiq.com/

Mulatta Records
- New experimental CD label that intends to bring you music both challenging and bizarre. It's co-directed by Ayo Osinibi, who runs New York's most interesting record store, Multi Kulti, and composer/performer Dave Soldier.
- http://www.mulatta.org/

Mockbrawn Records
- Home of Cortex Bomb, Caliche Con Carne, and other experimental music. PLus information about the Tucson music scene, record reviews, and local show lists.
- http://www.mockbrawn.com/

Mathbat Records
- Experimental underground label in Chicago, specializing in weird and hard-to-categorize music. With MP3 downloads, flash animations, and deranged art.
- http://www.mathbat.com/

Muss My Hair Records
- Independent CDs by eclectic pop horizon-expander artists. Includes RealAudio clips, online purchasing, and movie downloads.
- http://www.mussmyhair.com/

Mode Records
- Promoting music by artists such as John Cage, Deep Listening Band, and Aki Takahashi. With release profiles and artist links.
- http://www.mode.com/