Modesto, California's Siom have been working in raw black metal since 2015, producing intentionally lo-fi, caustic material that prioritizes atmosphere and malevolence over any concession to modern production standards.

Fairfax, California's Siphoner is a young black metal project formed in 2024, working in the Bay Area's fertile underground scene and drawing on the raw, unadorned traditions of atmospheric and orthodox black metal.

A California atmospheric black/death metal act active since 2015, Sire melds the sweeping, post-influenced atmospherics of atmospheric black metal with the crushing brutality of death metal, crafting dense and layered sonic environments.

New York's Sire Languish is one of the newest acts in this index, formed in 2025, pushing experimental black and death metal into unconventional territory with an approach that resists genre rigidity from the outset.

Des Moines post-black metal project formed in 2021 that blends atmospheric shimmer and shoegaze textures with the rawer edges of second-wave black metal. Their sound leans toward the introspective and expansive, letting reverb-drenched guitar work carry emotional weight over blasting rhythms.

Spokane, Washington band formed in 2020 operating in the space between melodic black metal and outright death metal, combining riff-driven aggression with the atmospheric sweep that characterizes the Pacific Northwest's underground black metal scene. Their sound is dense and forward-moving, leaning on melodic guitar leads to cut through the harshness.

Memphis, Tennessee black metal project formed in 2014, channeling the isolation and darkness of that city's blues-haunted landscape through a purely black metal lens. Operating in a Southern state not typically associated with the genre, Sivad carries an outsider intensity that suits black metal's individualist ethos.

Blackened death metal band formed in 2008 out of Maricopa and the Ak-Chin Indian Community in Arizona, fusing black metal's cold fury with death metal's pulverizing weight in the stark desert Southwest. Their geographic origins — an indigenous community on the southern Arizona plains — give their darkness a particular edge of outsider extremity.

Sjukdom is an Oregon black metal project formed in 2017, channeling the cold, misanthropic spirit of Scandinavian second-wave traditions through an American Pacific Northwest lens. Their music is dense and unrelenting, built on tremolo-picked dissonance and bleak atmosphere.

Skadalv is an Atlanta-based black metal act that emerged in 2019, pursuing the raw, caustic strain of the genre with little concession to melody or polish. Their work sits in the grimier corners of American underground black metal, where atmosphere is forged through abrasion rather than grandeur.

Skaldr is a Virginia black metal project formed in 2018, drawing on the runic and mythological weight implied by the Old Norse name — a skald being an ancient Norse poet — to craft atmospheric, cold-blooded black metal. Their sound tends toward the introspective and Northern-influenced end of the American underground.

Skaltros is an ambient black metal project based in Ketchikan, Alaska, formed in 2020, and the remote coastal isolation of Southeast Alaska is audible in every note — vast, windswept, and desolate. They blend traditional black metal harshness with expansive ambient textures that evoke the Alaskan wilderness.

SkateGoat is a North Carolina crossover thrash and black metal band formed in 2020, merging the skatepunk energy of classic crossover with the corrosive tremolo attack of black metal into something genuinely unhinged. The 666 in their Bandcamp URL signals that they're not playing this for laughs.

Skeld is a raw black/death metal project out of Eugene, Oregon, formed in 2021, working in the lo-fi, corrosive tradition where production rawness is a feature rather than a limitation. Their music is primitive and deliberately abrasive, carved out of Oregon's underground with sharp edges left intact.

Skeletal Incineration is a San Diego, California death/black/thrash metal band formed in 2004, forging a destructive hybrid of the three styles that leans into the darkest corners of each — the speed of thrash, the malevolence of black metal, and the low-end grotesquerie of death metal. San Diego has historically been fertile ground for this kind of cross-genre extreme metal brutality.