Bands
Indominion
Groove Metal/Metalcore · Georgia
Inferi
Melodic Death Metal (early); Technical/Melodic Death Metal (later) · Nashville, TN
Infernal Butchery
Death Metal · Texas City, TX
Infernal Cunt Imploder
Black Metal · Nacogdoches, TX
Infernal Rage
Death Metal · Statham, GA
Infernal Rot
Black Metal · Mission, TX
Infernal Tyrant
Thrash Metal · Georgia
Infernikus
Death/Thrash Metal · Greenville, TX
Infester
Goregrind · Russellville, AR
Infidel Rising
Power/Progressive Metal · Dallas, TX
Infinifixion
Death Metal · Ellenwood, GA
Infurium
Black Metal · Morristown, TN
Inherit Death
Death Metal · Bedford, TX
Inherit the Horror
Symphonic Black/Gothic/Nu-Metal/Deathcore · Dallas, TX
Inhumation
Thrash/Death Metal · El Paso, TX
Inle
Black Metal / Grindcore · Gulfport, MS
Inner Sphere
Death Metal · Gulfport, MS
Insaniti
Death/Thrash Metal · San Marcos, TX
Insect Warfare
Grindcore · Houston, TX
Insincerus
Black Metal · Columbus, GA
Interment
Death Metal · Fort Worth, TX
Internal Evisceration
Death Metal/Grindcore · Dublin, GA
Internment
Black/Death Metal · Atlanta, GA
Intestinal Fortitude
Death Metal/Grindcore · Sportatorium, TX
Inverted Candles
Black Metal/Punk · Dallas, TX
Invite the Darkness
Progressive Metalcore · Gallatin, TN
Iratus Vir
Melodic Death/Black Metal · Fort Worth, TX
Irist
Progressive Sludge/Groove/Post-Metal · Atlanta, GA
Iron Iris
Heavy Metal · Fayetteville, AR
Iron Jaw
Heavy Metal · Fort Worth, TX
Iron Law
Thrash Metal / Crossover · Birmingham/Tuscaloosa, AL
Irreversible
Melodic Atmospheric Sludge Metal · Atlanta, GA
Ispenss
Raw Black Metal/Noise · Atlanta, GA
Iudicia
Metalcore · Cabot, AR
Ixian
Experimental Post-Black Metal/Noise · Athens, GA
Jacknife
Thrash/Groove Metal · Dallas, TX
Jaeger
Power Metal · Atlanta, GA
Jenovah
Melodic Death/Black Metal · Atlanta, GA
JFKFC
Thrash/Groove Metal · Atlanta, GA
Jon Oliva's Pain
Heavy/Power Metal · Tampa, FL
Jonny Pecker and the Beaver Bustin' Pickle Weasels
Southern Metal/Rock · Longview, TX
Jucifer
Sludge/Doom Metal/Drone/Punk/Alternative · Athens, GA
Judah First
Heavy Metal · Nashville, TN
Judiciary
Crossover/Thrash Metal/Hardcore · Lubbock, TX
Kaliya
Death Metal/Grindcore · Dallas, TX
Kalliste
Depressive/Ambient Black Metal · Kingsport, TN
Kamikaze Pilots
Grindcore / Powerviolence · Gulfport, MS
Kamikaze Zombie
Thrash Metal / Crossover · Birmingham, AL