Portland, Oregon's SkullMaster emerged in 2020 playing a hybrid of black, heavy, and thrash metal that carries the reckless energy of the Pacific Northwest underground. Their sound pulls from classic thrash aggression while threading in black metal atmospherics and traditional heavy metal songcraft.

Skulltribe is a U.S.-based avant-garde entity born in 2019 that pushes death and black metal into dissonant, structurally unpredictable territory. Their approach refuses easy categorization, treating extreme metal as raw material to be deconstructed and reassembled in strange configurations.

Salt Lake City's Skumlord have been a fixture of the American raw black metal underground since 2007, delivering a deliberately lo-fi, corrosive sound that prioritizes atmosphere and hatred over sonic clarity. Their releases embody the stripped-back, anti-production ethos central to the raw black metal tradition.

Portland, Maine's Skvm have been operating in the black metal underground since 2013, crafting a dark, minimal sound that suits the bleak maritime atmosphere of the New England coast. Their one-word name — deliberately stripped of vowels — signals a stripped-down, adversarial approach to the genre.

Nevada's Skyclad Cult emerged in 2025, blending black metal with ambient texture in the tradition of atmospheric USBM acts who use the genre's harshness as a vessel for something more expansive and ritualistic. Brand new and already working within an evocative conceptual framework that their name makes plain.

Los Angeles's Skyeater formed in 2016 weaving black metal's icy dissonance together with doom metal's crawling tempos into a style they describe as a dirge — slow, bleak, and relentlessly oppressive. The band channels the kind of urban dread that tends to haunt Southern California's underground experimental metal scene.

Skáphe are a Philadelphia black metal outfit known for their dissonant, claustrophobic approach — dense walls of noise and feedback that feel more like an endurance test than a conventional album. Formed in 2014, they have built a devoted following in the underground for their uncompromising, atmospheric nihilism.

Skógr are a black metal project out of Walnut, Iowa, channeling the raw, wind-swept atmosphere associated with Nordic forest metal into the American heartland since 2009. Their sound leans into nature-driven mysticism and cold, minimal production.

Slag are a Florence, Kentucky black/doom metal project formed in 2024, pairing the glacial weight of doom with the cold, dissonant atmosphere of black metal for a sound that is simultaneously crushing and bleak. Their approach draws on the slower, more desolate end of both traditions.

A Fort Worth, Texas band forged in 2024, Slashed to Bits operate at the savage intersection of black, death, and thrash metal — a triad that prioritizes venom and speed over any single genre's orthodoxy. Their recent formation places them squarely in the current wave of extreme metal revivalism active across the DFW underground.

Miami's Slashpine have operated in the noise-drenched fringes of black metal since 2011, combining corrosive raw black metal aesthetics with noise music's abrasive textures. The 305 area code embedded in their Bandcamp handle grounds them firmly in South Florida's confrontational DIY underground.

Fairbanks, Alaska's Slaughtered Serpent bring raw black metal and noisegrind to one of the most geographically remote corners of the American extreme underground, formed in 2024 in a city where the long Arctic winters lend themselves to music this bleak and confrontational.

San José, California's Slaughteruin emerged in 2024 at the black/death metal crossroads, channeling the bestial extremity that the Bay Area underground has historically produced alongside its better-known thrash and death scenes. Their name suggests total annihilation as an aesthetic and a philosophy.

Slaughterwar is a black/death metal act formed in 2021 with no fixed location on record, operating in the shadowy margins where those two genres produce music that is more weapon than song. The war metal atmosphere their name projects places them in a tradition that treats extreme metal as an instrument of pure sonic devastation.

An Ohio black metal and punk hybrid active since 2001, Slavehouse occupy the ugly, uncompromising space where those two genres collide into something rawer than either alone. Their two-decade-plus run makes them veterans of a strain of American black metal that refuses to be polished or accommodating.