Sorcery are a Chicago, Illinois heavy metal and hard rock band formed in 2017, drawing from the classic rock-inflected heavy metal tradition with an emphasis on riff-driven songwriting and melodic sensibility.

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.