Sorcerőt are a heavy and black metal band from Cincinnati, Ohio, formed in 2024, blending the occult swagger of traditional heavy metal with black metal's aggressive edge in a debut that signals a dark, riff-obsessed direction.

Sorus is a progressive sludge metal band from Fort Lauderdale, Florida, formed in 2016, combining the slow, crushing weight of sludge with the dynamic song structures and technical ambition of progressive metal.

Sosra is a thrash and heavy metal band from Bellingham, Washington, formed in 2015, drawing from classic American thrash traditions while incorporating traditional heavy metal influences.

Sosterik is a Pittsburgh heavy/thrash metal band formed in 2018, channeling the blue-collar intensity of Pennsylvania's industrial heritage into a hard-hitting blend of classic heavy metal and thrash.

Soul Crusher is a heavy and power metal band from Attleboro, Massachusetts, formed in 2022, delivering traditional metal forged from strong riffs and melodic vocal power in the Boston metro area's metal community.

Soul Grinder is a Portland, Oregon heavy and thrash metal band formed in 2022, channeling classic metal aggression into a city known for cultivating independent and underground heavy music.

Soul Terror is a Maryland band formed in 2013 that melds death metal, doom, and sludge into a slow-grinding, punishing sound. Their genre crossover places crushing heaviness at the center, drawing from both the morbidity of death metal and the oppressive weight of sludge and doom.

Soulgrind is a heavy metal band from Mesa, Arizona, active since 2010. They draw from traditional heavy metal's melodic and riff-driven foundations within Arizona's broad hard rock and metal community.

Soultrap is a heavy and groove metal band from Atlanta, Georgia, formed in 2016. They channel groove metal's rhythmic punch with traditional heavy metal's melodic sensibility, operating out of the South's largest metal market.

Sound Barrier is a heavy metal band from Los Angeles, California, active since 2017. They carry on the tradition of melodic, hard-driving American heavy metal rooted in the West Coast scene.

Sound Barrier is a Houston, Texas heavy/speed metal outfit formed in 2017, delivering aggressive riff-driven metal that blends classic heavy metal foundations with the harder-edged momentum of speed metal.

Soundgarden is the seminal Seattle, Washington band whose fusion of stoner-inflected heavy metal, grunge, and crushing riff craft helped define the Pacific Northwest sound of the late 1980s and 1990s, led by the powerful vocals of Chris Cornell.

Southgate is a Portland, Oregon progressive deathcore band formed in 2009, layering the technical complexity and dynamic ambition of progressive metal atop deathcore's crushing low-end rhythmic foundation.

Southview is a heavy metal band from Rochelle, Illinois, formed in 2015 that blends traditional heavy metal with Southern metal influences, delivering a riff-driven sound rooted in American metal's blue-collar heartland tradition.

Space Wax are a San Diego, California band formed in 2014, straddling stoner, doom, and traditional heavy metal. Their sound leans into vintage-toned riffing and analogue warmth, drawing equally from classic heavy metal and the fuzzier end of the stoner/doom spectrum.