Bellevue, Nebraska heavy/thrash metal act formed in 2023, rooted in classic thrash structures and the straightforward aggression of traditional American heavy metal.

Pittsburgh heavy metal band formed in 2016, rooted in the blue-collar grit and working-class energy that has long defined the Steel City's rock and metal tradition.

Los Angeles band formed in 2003 that began as a provocative nu-metal act before evolving toward heavier stoner and hard rock territory, known for theatrical stage performances and confrontational imagery.

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.

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.

Solar Flare is a heavy and power metal band from Amelia, Ohio, formed in 2010, delivering melodic, guitar-driven material with an emphasis on soaring hooks and traditional metal structures rooted in the Midwest hard rock scene.

Solarburn is a heavy metal band from Pittsburgh, Pennsylvania, formed in 2012, drawing from the Steel City's storied metal heritage to produce hard-driving, traditional heavy metal material.

Solare Sanctum is a progressive heavy metal band from Boston, Massachusetts, formed in 2021, pursuing ambitious compositional territory at the intersection of traditional metal power and progressive rock's structural ambition.

Solarfall is a heavy and power metal band from Arvada, Colorado, formed in 2017, crafting melodic, anthem-driven material rooted in the classic traditions of American power metal with the Rocky Mountain region as its backdrop.

Soldiers of Forgiveness is a Seattle, Washington heavy/power metal band formed in 2021, combining the melodic uplift of power metal with the driving riff energy of classic heavy metal.

Sole Survivor is a Los Angeles County, California heavy/thrash metal band formed in 2021, blending the crunching aggression of thrash with traditional heavy metal song structures.

Solemn Promise is a Detroit, Michigan progressive heavy/power metal band formed in 2013, combining melodic power metal songwriting with the compositional complexity of progressive metal in the tradition of the Midwest's heavy music underground.

Solo Borges is a New Jersey heavy/stoner metal project formed in 2019, blending fuzz-drenched stoner rock heaviness with traditional metal riffing in the classic vein.

Solomonic Demons are a Union City, New Jersey act formed in 2015 who began playing heavy/thrash metal before evolving toward a melodic death metal approach. Their progression reflects an ambition to blend aggressive technical riffing with melodic sensibility.

Somberslay are a Texas-based heavy/doom metal band formed in 2009 who incorporate hard rock influences into their lumbering, riff-heavy sound, creating a sound that straddles the line between classic doom and hook-driven hard rock.