Sodden is a doom and sludge metal band from Omaha, Nebraska, formed in 2024, delivering slow, oppressive riffs draped in the heavy, feedback-laden texture characteristic of the American Midwest sludge underground.

Sodomizing the Dead is a death/thrash and grindcore band from Lynwood, California, formed in 2014, channeling the abrasive energy of Southern California's extreme metal underground through a punishing crossover of brutality and speed.

Sodomy is a death metal band from San Jose, California, formed in 2019, operating within the Bay Area's legacy of extreme metal with a straightforward approach to crushing, aggressive songwriting.

Sofa King Killer is a sludge and doom metal band from Akron, Ohio, formed in 2000, blending Southern rock grooves with the suffocating heaviness of the Midwest sludge tradition across more than two decades of activity.

Soft Shell is a raw black metal and ambient project from Kalamazoo, Michigan, formed in 2021, producing lo-fi, abrasive black metal that merges the primitive rawness of the underground with cold atmospheric textures.

SOG is a speed and thrash metal band from Atlanta, Georgia, formed in 2018, delivering high-velocity riffs and aggressive energy drawn from the classic traditions of the genre within the Southeast's active extreme metal community.

Soheil Al Fard is a melodic death metal project from Pittsburg, Kansas, formed in 2014, crafting hook-driven compositions that balance melodic sensibility with the aggression of death metal in a largely self-contained operation.

Chicago's SOiL carved their niche in the early 2000s nu-metal landscape with vocalist Ryan McCombs's gritty, emotive delivery and a sound that leaned more toward melodic hard rock than the rap-metal of their contemporaries. Their 2001 debut 'Scars' and its standout track 'Halo' earned significant rock radio play and a loyal Midwest fanbase. After lineup upheavals and McCombs's tenure in Drowning Pool, SOiL have persevered as a reliable live act and a testament to Chicago's contribution to the nu-metal era.

Soil Creep is a heavy metal band from Ohio, formed in 2018, working within traditional heavy metal frameworks to produce riff-driven material rooted in the genre's classic foundations.