Bands
Disbanded
Oblivious Obscurity
Death Metal · Dallas, TX
Obscure Oracle
Melodic Black/Death Metal · San Angelo, TX
Obsecrate the Deity
Technical Death Metal · Atlanta, GA
Disbanded
Obsidian Throne
Melodic Death Metal · Fort Worth, TX
Occulsed
Death Metal · Atlanta, GA
Oculus of Profanations
Death Metal · Del Rio, TX
Disbanded
Of Serpents
Melodic Death Metal/Metalcore · Nashville, TN
Of the Fallen
Melodic Deathcore/Death Metal · Houston, TX
Oh, the Depth
Symphonic Deathcore · Houston, TX
OmniTerror
Death Metal · Fort Worth, TX
Disbanded
One Last Torture
Groove/Death/Nu-Metal/Metalcore · Houston, TX
One We Created
Technical Death Metal/Deathcore · San Antonio, TX
Open Kasket
Death Metal/Hardcore · Little Rock, AR
Opium
Death Metal / Grindcore · Tupelo, MS
Disbanded
Oppressive Force
Brutal Death Metal/Grindcore · San Antonio, TX
Disbanded
Orchiectomy
Brutal Death Metal/Goregrind · Houston, TX
Orphan Crippler
Blackened Death Metal · Fayetteville, AR
Disbanded
Ossuarist
Death Metal/Grindcore · Plano, TX
Paegan
Death Metal · Seguin, TX
Palace of the Fallen
Death Metal/Hardcore · Atlanta, GA
Disbanded
Pale Unearthed
Death Metal · Little Rock, AR
Panamanian Petting Zoo
Death Metal · Nashville, TN
Panteon
Death/Black Metal · Brownsville, TX
Parabellum
Sludge/Doom/Death Metal · Pensacola, FL
Paranoia Form
Technical Death Metal/Deathcore · Austin, TX
Parathion
Black/Death Metal; Deathcore · Athens, GA
Path of Fire
Brutal Death Metal · Livingston, TX
Peregrine
Black/Death Metal · Athens, GA
Disbanded
Phallic Decapitant
Death Metal/Grindcore · Kingsland, GA
Philip H. Anselmo & the Illegals
Groove / Sludge / Death Metal · New Orleans, LA
Phlegmlord
Brutal Death Metal/Goregrind · Unionville, TN
Pistol Whipping a Blind Kid
Melodic Death/Thrash Metal · El Paso, TX
Planetary Ghost
Progressive/Technical Deathcore · Atlanta, GA
Disbanded
Platform Black
Melodic Death Metal · Fayetteville, AR
Disbanded
Platonic Disease
Death Metal · Chattanooga, TN
Disbanded
Poisonwood
Melodic Death Metal · Conway, AR
Postmortem Repugnance
Death Metal · Atlanta, GA
Disbanded
Predominant Mortification
Brutal Death Metal/Goregrind · College Station, TX
Pretorious
Melodic Death/Black Metal · Houston, TX
Disbanded
Prey to God
Brutal Death Metal/Deathcore · Beeville, TX
Pridemeat
Deathcore · Savannah, GA
Primal
Thrash/Death Metal/Metalcore · College Station, TX
Disbanded
Primal Gore
Death Metal · Athens, GA
Primal Tyrant
Death Metal · Fort Worth, TX
Primate Strangulator
Death Metal · Atlanta, GA
Primordial Blood
Blackened Death Metal · Atlanta, GA
Primordius
Death Metal · Fort Worth, TX
Process of Suffocation
Blackened Death Metal · Memphis, TN