Sadus is a thrash and death metal band from Antioch, California, formed in 1984 by vocalist Darren Travis, guitarist Rob Moore, bassist Steve Di Giorgio, and drummer Jon Allen. Known for blending technical thrash with death metal aggression, the band debuted with Illusions (later reissued as Chemical Exposure) in 1988 and built a cult following through albums such as Swallowed in Black and A Vision of Misery. Bassist Steve Di Giorgio, who also played with Death and Testament, became one of the most celebrated technical metal bassists of his generation, and the band returned in 2023 with The Shadow Inside, their first new record in over two decades.

Out of Long Beach, California, Satanófator deal in the grinding intersection of black and death metal — corrosive riffwork, blasting percussion, and a caustic, feral energy that owes as much to South American war metal as it does to the US underground. Formed in 2018, they carry the genre's most nihilistic traditions with conviction.

Los Angeles's Scission have been operating since 2013 at the boundary between metalcore and death metal, a crossover that captures both the precision and brutality of the latter and the structural intensity of the former. In a city as massive and competitive as LA, surviving over a decade in the underground speaks to the genuine quality of their craft.

Los Angeles spawned Scornmonger in 2025, a death metal project arriving in the city's perpetually crowded extreme music scene with something to prove. Rooted in the meat-and-bone tradition of straight death metal — dense, down-tuned riffing, blasted rhythms, and a vocal approach that's all growl and gravel — they carry the L.A. lineage of brutality without dressing it up. Young but clearly schooled, they sound like they've been studying the genre's architecture before tearing walls down.

Los Angeles avant-garde death metal project Secrelict emerged in 2023 with a mandate to push the genre past its conventional borders, blending dissonance, unconventional structures, and experimental textures into a distinctly modern form of extremity. The band's approach treats death metal as a starting point rather than a destination, fracturing familiar heaviness into something genuinely unsettling.

Fresh out of Huntington Beach, California, Secularis arrived in 2025 as one of the newest entries in the American black/death underground, combining the icy hostility of black metal with the visceral attack of death metal. Even at this early stage, the project signals a willingness to operate in the extremes where both genres converge most violently.

Rosemead, California's Send Them Sin have been active in the death metal underground since 2013, contributing to the dense and competitive Southern California extreme metal scene with a straightforward, riff-driven approach. Their music sits in the traditional death metal lineage — direct, brutal, and structurally familiar — executed with a commitment to the genre's core values rather than novelty. Over a decade of activity speaks to a resilience and dedication uncommon in the underground.

San Francisco technical/progressive death metal band formed in 2016, operating in a Bay Area tradition of cerebral extremity. Their music pushes at the architecture of death metal, favoring labyrinthine song structures and technical precision.

Los Angeles death metal act Septic Fumes formed in 2023 and quickly established a reputation for dense, suffocating brutality within the sprawling Southern California underground. Their music draws on the city's long tradition of brutal and old-school death metal, filtered through a modern contempt for polish. They are a young band with an ugly, uncompromising vision.