Kingsport, Tennessee death metal act formed in 2024, representing the newer generation of Appalachian-region extreme metal with a straight-ahead, no-frills approach to the genre's foundational brutality.

Bay Area extreme metal mainstay since 2005, blending death metal, crossover thrash, and grindcore into a chaotic, low-fidelity assault that draws on the Northern California underground's long tradition of genre-defying extremity.

Houston thrash metal band formed in 2005, operating in the city's historically fertile extreme metal underground with the straightforward speed and aggression that defines the Texas approach to the genre.

Meriden, Connecticut thrash metal band from 2005, part of the scrappy New England underground metal scene that has quietly produced some of the region's most uncompromising aggressive acts.

Puscifer is Maynard James Keenan's Arizona-rooted art-rock project, developed as a deliberately flexible outlet apart from Tool and A Perfect Circle. Rather than functioning like a conventional rock band, Puscifer works as a rotating creative laboratory centered on Keenan, Mat Mitchell, Carina Round, and a changing network of collaborators. V Is for Vagina introduced a sly, electronic, desert-dust version of industrial-tinged rock, while Conditions of My Parole, Money Shot, Existential Reckoning, and later releases refined the balance between groove, atmosphere, satire, and emotional unease. The music often moves at a controlled simmer: bass lines pulse, electronics flicker, guitars appear as texture or threat, and the vocals trade between Keenan's dry menace and Round's melodic gravity. Puscifer belongs in a heavy-adjacent directory because its darkness, industrial influence, and alternative-rock weight sit near metal culture even when the arrangements avoid traditional riff dominance. The project's history is also inseparable from performance art, video, and character work, but the songs endure because beneath the absurd framing sits patient, moody, carefully engineered rock architecture.

Grinding Sludge Metal / Hardcore from Austin.

Portland, Oregon black/death/grind outfit formed in 2019, drawing on the Pacific Northwest's thriving extreme underground to deliver short, vicious assaults that refuse to settle neatly into any one extreme subgenre.

Seattle grindcore act formed in 2018, adding to the city's historically robust underground scene with the blastbeat density and throat-scraping vocal attacks that define the genre's most uncompromising practitioners.

Milwaukee death metal and metalcore hybrid active since 2007, a long-running fixture of the Wisconsin underground combining the blunt-force trauma of death metal with metalcore's structural aggression.