Bands
Man Is Myth
Atmospheric Doom Metal · Bryan, TX
Manditory
Heavy Metal · Dallas, TX
Mangled Meat
Death/Thrash Metal/Grindcore · Alice, TX
Manhack
Death/Groove Metal/Deathcore · Atlanta, GA
Manic Scum
Death Metal/Grindcore · Kingsport, TN
Mars
Psychedelic Doom / Stoner Metal · New Orleans, LA
Martyr's Wind
Sludge Metal/Crust Punk · Ringgold, GA
Mastodon
Progressive/Sludge Metal; Progressive Me · Atlanta, GA
Maxfield Parish
Heavy Metal · Fort Worth, TX
Meatshield
Goregrind · Knoxville, TN
Meliptic
Thrash/Groove Metal · Alice, TX
Melting
Slam/Brutal Death Metal/Goregrind · Atlanta, GA
Memories of Dying Days
Metalcore · Weatherford, TX
Memory
Stoner/Groove Metal · Houston, TX
Memory Eternal
Speed Metal/Hardcore Punk · El Paso, TX
Mercynary
Thrash Metal · San Antonio, TX
Merihim
Black Metal · Kenedy, TX
Messiaxx
Heavy/Power Metal · St. Petersburg, FL
Messorem
Death/Thrash Metal · Rockwood, TN
Metal for Emmanuel
Heavy Metal · Perry, GA
Metal X
Heavy/Power Metal · Baytown, TX
Metallon Heather
Heavy metal · Chalmette, LA
Metalloyd
Thrash Metal · Houston, TX
Metalriser
Thrash Metal · San Antonio, TX
Metaphobic
Death Metal · Atlanta, GA
Metavenge
Melodic Thrash Metal · Houston, TX
Metonic
Heavy Metal · Fort Worth, TX
Mhinotahn
Black/Death Metal · Houston, TX
Micecellar
Death / Sludge Metal / Grindcore · Gulfport, MS
Midmourner
Sludge / Doom Metal · Birmingham, AL
Midnartiis
Atmospheric Black/Folk Metal · Keller, TX
Millennial Reign
Melodic Power Metal · Arlington, TX
Minas Morgul
Black Metal · Birmingham, AL
Mind Sludge
Death Metal/Grindcore/Hardcore · Johnson City, TN
MindEater
Death Metal · Harlingen, TX
Misanthropic Aggression
Black Metal/Crust · Atlanta, GA
Misanthropical
Black Metal · Houston, TX
Miserable Crypt
Black Metal · Atlanta, GA
Mocata
Death Metal · Austin, TX
Moment of Fierce Determination
Thrash Metal · Conway, AR
Monkey Waste
Sludge Metal · Austin, TX
Monodyssey
Sludge Metal · Mission, TX
Monolith of Carnage
Death/Thrash Metal · Knoxville, TN
Monolith Rex
Melodic Black/Death Metal · Laredo, TX
Monolithos
Death Metal · Gainesville, GA
Monuments to Sorrow
Funeral Doom Metal · Houston, TX
Moon Destroys
Progressive Metal/Rock · Atlanta, GA
Moonshield
Melodic Death Metal · Atlanta, GA