San Diego's Serpentyne draw from three directions at once — progressive, thrash, and power metal — resulting in a dynamic, melodically rich hybrid that has been sharpening its edge in Southern California's metal scene since 2018.

San Francisco's Seven of Swords channel the Bay Area's rich thrash heritage through a lens of classic heavy metal energy, combining sharp, aggressive riffwork with a reverence for the melodic crunch of early-80s metal. Active since 2019, they bridge the gap between heads-down thrash fury and the hook-driven momentum of traditional heavy metal.

San Diego's Shadowlit have been pushing a thrash-forward death metal attack since 2010, channeling the sun-baked aggression of Southern California's long-running extreme underground. Their music prioritizes speed and riff density, sitting comfortably in the tradition of West Coast death/thrash hybrids.

Los Angeles thrash and heavy metal act formed in 2011, drawing on Southern California's deep-rooted thrash lineage with a sound that bridges old-school power and modern punch.

Sacramento thrash and heavy metal act that emerged in 2025, bringing Northern California's storied Bay Area thrash lineage into the new decade with high-energy riffwork and classic heavy metal swagger.

Los Angeles thrash act Shellshock pulls from the city's storied speed metal legacy, delivering hard-driving riffs and aggressive tempos consistent with Southern California's underground thrash scene.

Los Angeles' Shepherd brings a melodic sharpness to their thrash-infused death metal, weaving the hooky aggression of melodic death into a sound anchored by California's long history of speed and precision.

Oakland's Shitty Fucker have been grinding out their Bay Area blend of death/thrash and grindcore since 2017, drawing on the region's long tradition of aggressive, politically charged underground metal with an unpolished, high-energy assault.

San Francisco's Shrakys, formed in 2021, bring a Bay Area pedigree to a hybrid of heavy and thrash metal — sharp riffing, speed, and a no-nonsense approach that draws on the city's long history of thrash aggression.