Birmingham, Alabama's Throng of Shoggoths take their Lovecraftian name seriously, conjuring thick, malevolent death-doom and sludge from the deep South since 2015. They merge the oppressive low-end rumble of sludge with death metal's abrasive attack, fitting naturally into Birmingham's storied tradition of heavy, regionally-specific extreme music.

Portland's Thrown blend heavy, doom, and speed metal into a genre-crossing assault born in 2017, channeling the darkness of traditional doom against the kinetic drive of speed metal in a way that feels distinctly Pacific Northwest.

Atlanta's Thrumm emerged in 2022 with a slow-burning stoner-doom approach, layering fuzz-heavy guitar work and meditative tempos into the kind of suffocating, low-end-saturated sound the city's underground has long nurtured.

Washington state's Thud have been stirring doom, thrash, and stoner influences into a combustible mix since 2016, their Bandcamp presence under the name Songs for Children suggesting a sardonic sensibility beneath the genre-blending heaviness.

Thumos, active since 2018, work the intersection of progressive doom and post-metal with a measured, philosophical approach — their name drawn from the classical Greek concept of spirited passion — building expansive compositions that reward patient listening.

Sabbath-worship heavy psych doom formed in 2018. Released multiple albums through Ripple Music including the live album 'Dead Alive in Texas'.

Boston doom metal outfit Thunderbear have been grinding out slow, heavy-handed dirges since 2016, adding a New England stoicism to the genre's familiar landscape of crushing tempos and thick, distorted guitar tones.

Richmond, Virginia's Thunderchief have been working the doom-sludge axis since 2015, their music heavy with the kind of mid-paced, feedback-drenched menace that the region's underground consistently produces with little fanfare and considerable force.

Gainesville, Florida's Thunderclap have been delivering doom-soaked sludge metal since 2014, their music carrying the oppressive heat and heaviness that seems to seep naturally out of Florida's fringes into some of the country's most unrelenting heavy music.

Formed in 2023 in Tomah, Wisconsin, Thundergoat operate in the stoner-doom space with a fuzz-heavy, plodding style that draws on the genre's ritualistic qualities — a newly minted entry in the Midwest's quietly growing heavy underground.

Manchester, New Hampshire's ThunderHawk have been trafficking in stoner-doom since 2014, combining fuzz-laden, groove-heavy riffs with glacial tempos that reflect the long winters and stubborn independence of the New England underground.

A St. Augustine, Florida outfit born in 2013, Thunderhoof crushes through the collision of thrash aggression and doom-laden weight, building riffs that lurch between punishing velocity and slow, suffocating heaviness. Their coastal Florida roots give the band a raw, swamp-caked edge that sets them apart from both scenes they straddle.

An Austin, Texas band active since 2015, Thunderkief sink deep into the psychedelic fog where stoner and doom metal overlap, building slow-burning songs that unfold under layers of distortion and haze. They're a product of Austin's fertile heavy underground, carrying the city's tradition of loud, unhurried music played with real conviction.

Sycamore, Illinois's Thy Cursed Existence occupy the suffocating intersection of black and doom metal, marrying the anguished tremolo attack of the black metal tradition with doom's slow, crushing sense of despair. Founded in 2017 in a small Illinois city far from any major scene, the band's isolationist geography fits the self-loathing atmosphere their name projects.

Battle Ground, Washington's Thy Emptiness fuse Gothic metal's melancholic atmospherics with doom's slow, heavy ceremonial pace, creating music that trades in elegance and grief in equal measure. Formed in 2013 in a small Pacific Northwest town, they carry the region's penchant for introspection and atmosphere into genuinely heavy territory.