.Tallow. is a noise rock and sludge metal project from San Francisco, California, releasing the three-track "Crack Tracks" EP in 2011. With songs like "My Baby's Gone (She Left Me for a Cult)," the project blends abrasive sludge riffing with the angular dissonance of noise rock. The release captures the grimy, confrontational energy of the Bay Area's heavy underground.

16 is a sludge metal institution from Los Angeles, California, with a massive catalog spanning ten releases and over 100 tracks since 2009. The band is one of the defining acts of the LA sludge scene, dealing in nihilistic, feedback-drenched heaviness that has influenced countless bands. Their prolific output and uncompromising vision have made them a cornerstone of American sludge metal.

Duvall/Seattle/Los Angeles sludge metal project whose absurdist name reflects a refusal to take anything seriously. Multi-city sludge with a sense of humor as thick as their tone.

Santa Rosa, California sludge metal project. The name promises an epic narrative of despair from Sonoma County's wine country underbelly.

After Dark is a heavy metal band from Sacramento, California that blends classic metal with punk energy. Their full-length "New Dawn Rising" (2021) and its 2024 expanded edition showcase a band rooted in the raw, no-frills intersection of metal and punk.

Northern California sludge crushers operating out of Chico since 2012. Their discography spans splits with European heavyweights like Pyramido and domestic collaborators Enth, building a reputation for punishing low-end devastation. Their 2024 EP Resilience proves they've only gotten heavier with time.

Los Angeles sludge metal trio laying waste since 2014. Three releases of corrosive, tar-thick heaviness that channels the smog-choked sprawl of LA into music that feels like breathing in exhaust fumes — oppressive, toxic, and oddly addictive.

Chico, California sludge metal veterans whose 2026 album THE EARTH IS BREATHING BENEATH ME delivers tectonic heaviness. The all-caps title and nature-as-threat imagery fit their brand of environmentally aware, apocalyptically heavy sludge.

San Jose sludge metal project with six catalog-numbered releases since 2014. Their meticulous archival system — each release tagged with an ADR number — suggests a band that treats sludge metal with curatorial precision from the South Bay.