Knoxville, Tennessee's Swine Suicide have played black metal with ambient underpinnings since 2011, crafting cold, desolate soundscapes out of the Southern Appalachian underground.

Swineherd is a death and groove metal band from Durham, North Carolina, formed in 2025, fusing the rhythmic punch of groove metal with the aggression of death metal.

Iowa's Swinery formed in 2014 and plays deathcore with death metal sensibilities, blending breakdowns and extreme metal intensity in the tradition of the Midwest's heavy underground.

Switchback is a sludge and stoner metal band from Hyrum, Utah, active since 2013, delivering slow, heavy riffs shaped by the isolation of Cache Valley's rural landscape.

Crushing Sludge / Stoner Metal / Rock from Corpus Christi.

Madison, Wisconsin's Switchblade Monkeys have played groove and heavy metal since 2014, crafting punchy, riff-forward songs rooted in the Midwest's working-class metal tradition.

Swnw is an industrial sludge metal project formed in 2023, combining the mechanical grind of industrial metal with the sludge metal's slow, distorted heaviness into a harsh, rhythmic whole.

Swollen Teeth are a masked, anonymous band backed by Slipknot's Sid Wilson and legendary producer Ross Robinson, delivering what Robinson has dubbed 'tru-metal' — a ferocious cocktail of thrash, beatdown hardcore, noise rock, and goth-tinged melodrama. Their self-titled debut EP on Robinson's Blowed Out Records established them as one of the most intriguing and mysterious new acts in heavy music.

Sword is a sludge and doom metal band from Richmond, Virginia, formed in 2015, drawing on that city's storied heavy underground to deliver low, slow, and punishing guitar-driven music.