Bands
Order of Týr
Symphonic Power Metal with Electronic influences · Memphis, TN
Ordre Wampyrica
Raw Black Metal · Memphis, TN
Organ
Thrash Metal/Grindcore · Atlanta, GA
Orphan Crippler
Blackened Death Metal · Fayetteville, AR
Orthodox Fuzz
Southern/Stoner Metal/Rock · Fort Worth, TX
Disbanded
Ossuarist
Death Metal/Grindcore · Plano, TX
Ostrov
Atmospheric Sludge Metal / Post-Hardcore · Hattiesburg, MS
Otherwise Dead
Metalcore/Groove Metal · Plano, TX
Otis Reaper
Sludge Metal · Jackson, TN
Oubliette
Melodic Black Metal · Murfreesboro, TN
Outlaw Order
Sludge Metal · New Orleans, LA
Outlook Grim
Heavy/Groove Metal · Knoxville, TN
Outpost 31
Crossover/Thrash Metal · Houston, TX
Oven
Stoner/Doom Metal · Bristol, TN
Overt Enemy
Thrash Metal · Mission, TX
Ovnev
Atmospheric Black Metal · Spring, TX
Ox Combine
Thrash Metal · Fort Worth, TX
Oxxen
Stoner/Sludge Metal · Chattanooga, TN
Ozark Shaman
Black/Thrash Metal · Little Rock, AR
P.L.F.
Grindcore · Houston, TX
Paegan
Death Metal · Seguin, TX
Pagan Invader
Doom Metal/Hard Rock · Chattanooga, TN
Pains Chapel
Heavy Metal · Chattanooga, TN
Palace of the Fallen
Death Metal/Hardcore · Atlanta, GA
Paladin
Power/Thrash Metal · Atlanta, GA
Palantir
Black Metal · Fayetteville, AR
Pale Misery
Black / Sludge Metal / Crust Punk · Lafayette, LA
Pale Prophet
Black/Sludge Metal · Athens, GA
Disbanded
Pale Unearthed
Death Metal · Little Rock, AR
Pallbearer
Doom Metal · Little Rock, AR
Disbanded
Palm Tree Death Incident
Thrash Metal · Gleason, TN
Panamanian Petting Zoo
Death Metal · Nashville, TN
Panteon
Death/Black Metal · Brownsville, TX
Pantera
Glam/Heavy Metal · Arlington, TX
Panzram
Industrial/Black/Doom Metal/Ambient · Lubbock, TX
Parabellum
Sludge/Doom/Death Metal · Pensacola, FL
Disbanded
Parabstruse
Experimental Black Metal · Grand Prairie, TX
Paradox
Disbanded
Doom Metal · Lubbock, TX
Paralyzer
Thrash Metal · Johnson City, TN
Paranoia Form
Technical Death Metal/Deathcore · Austin, TX
Parathion
Black/Death Metal; Deathcore · Athens, GA
Parthurnax
Heavy Metal · Hattiesburg, MS
Paterikon
Doom Metal, Dark Ambient · Rogers, AR
Path of Fire
Brutal Death Metal · Livingston, TX
Peisithanatos
Depressive Black Metal · San Antonio, TX
Disbanded
Penalty Kill
Groove Metal · Grand Prairie, TX
Penguins with Knives
Southern / Doom Metal · New Orleans, LA
Penumbra Muerte
Black Metal · Dallas, TX