Los Angeles's Sebek — named for the ancient Egyptian crocodile deity — forge a blackened thrash attack that's as feral and aggressive as their namesake. Active since 2015, the band channels the raw, speed-obsessed chaos of early black/thrash into something that feels genuinely dangerous rather than merely nostalgic. Their LA origins ground them in a city with deep extreme metal roots, and they honor that lineage without sounding derivative.

Des Moines's Second Side have been navigating the space between thrash aggression, groove-metal momentum, and alternative metal experimentation since 2015. The Iowa trio's approach resists easy categorization — the thrash instincts keep things sharp and forward-moving, while the alternative influences introduce texture and dynamics that prevent the sound from calcifying into formula. They're a product of the Midwest DIY underground where versatility is a survival trait.

Chicago thrash act Sedition formed in 2018 with a straightforward mission: write punishing, fast, and aggressive metal in the mold of the genre's classic period. Operating out of a city with a long history of heavy underground activity, they channel the crossover energy and riff-forward intensity that made thrash a movement rather than just a style.

Charlotte, North Carolina's Seducer have been at it since 2004, blending the swagger of traditional heavy metal with the edge and velocity of thrash into a sound that's never fully one thing or the other. Their longevity in the Carolina underground reflects a band that's earned its following through consistent gigging and a songwriting approach grounded in the power of the riff.

Florida's Seed of Pain bridge the raw fury of thrash metal and the breakneck physicality of metalcore, landing squarely in the crossover space where hardcore kids and headbangers share pit real estate. Since forming in 2018, they've pursued an abrasive, high-energy sound that owes as much to the spirit of NYHC as it does to Bay Area thrash.

Operating under a name designed to provoke, Semen formed in 2015 and pursue a deliberately crude brand of thrash metal that leans into shock value and aggression in equal measure. Their Bandcamp handle — goatsemen — underscores a commitment to the transgressive, scuzzy end of the genre rather than the polished, technically ambitious side. This is thrash as blunt instrument: fast, ugly, and unapologetically low-brow.

Saint Paul, Minnesota's Semtex formed in 2021 and take an explosive approach to progressive thrash, combining the rhythmic intensity and angular riffing of thrash with the structural ambition and harmonic complexity that progressive metal demands. Named after the plastic explosive, their music favors precision over chaos — tight arrangements, shifting time signatures, and a forward-thinking approach that sets them apart from straightforward thrash revivalism. They reflect the technical ambitions that have been quietly flourishing in the Twin Cities metal scene.

Thrash metal band from Westchester County, New York, active since 2013, rooted in the classic American thrash idiom. Over a decade in, they represent the persistent backbone of the suburban New York underground metal scene.

Formed in 2021 in Opelika, Alabama, Septarian forge a sound that fuses the melodic sweep of Scandinavian death metal with the aggressive riff velocity of thrash. Their approach leans hard into dual-guitar interplay and driving rhythms that never sacrifice hook for brutality. Still a young band, they represent a promising new voice in the American melodic death/thrash underground.