Bands

Transcending

United States · Death/Doom/Stoner Metal

Transient

United States · Progressive Metal

Trap Ratt

United States · Sludge/Post-Metal

Trem

United States · Progressive/Symphonic Black/Death Metal

Trigger Effect

United States · Progressive Metal

Trojan Swamp Monster

United States · Melodic Death Metal

Tropical Storm!

United States · Crossover/Thrash Metal

Trvth

United States · Atmospheric/Depressive Black Metal, Progressive Rock

Ulm

United States · Avant-garde Black Metal

Unbearable Depression

United States · Depressive Black Metal

Under Satan's Sun

United States · Heavy/Progressive/Black Metal

Undertaker

United States · Speed Metal

Under the Forest Floor

United States · Black/Death Metal (early); Depressive Black Metal (later)

Underworld

United States · Atmospheric/Depressive Black Metal

Unearth

United States · Death Metal

Unholy Ghost

United States · Blackened Death Metal

Unholy Goatfucker

United States · Melodic/Symphonic Black Metal

Unholy Undead

United States · Black/Speed Metal/Punk

United by Chaos

United States · Thrash Metal

Unknown Dilema

United States · Death/Thrash Metal

Unmothered

United States · Atmospheric Sludge Metal

Until Extinction

United States · Progressive/Death/Gothic Metal

Unveil Nevaeh

United States · Deathcore

Unwelcome Soul

United States · Black/Doom Metal