Deathcore and death metal band from Oriskany, New York, formed in 2008, one of the longer-running acts in the Central New York extreme metal underground. Their sound moved from death-thrash roots toward the breakdown-heavy intensity of deathcore.

New Jersey band formed in 2011 that began in death and thrash metal before transitioning toward deathcore, documented by Metal-Archives as progressing from death/thrash roots to a heavier breakdown-driven sound. They have built a following in the Northeast underground over their decade-plus of activity.

Succubus is an Atlanta, Georgia band formed in 2017 that moves between ambient black metal and brutal death metal/deathcore, creating a jarring contrast between oppressive atmosphere and outright sonic violence.

Succumb to Demise is a technical deathcore band from Lexington, Kentucky, formed in 2017, combining the intricate fretwork of technical death metal with deathcore's breakdowns and aggressive vocal style.

Suffer is a Dayton, Ohio deathcore band formed in 1993, combining death metal brutality with the breakdowns and aggression of deathcore in the fertile Ohio heavy music underground.

Dallas deathcore act formed in 2017, blending the crushing breakdowns and guttural extremity of death metal with the rhythmic aggression of the deathcore genre.

Wichita, Kansas band formed in 2019 that evolved from deathcore roots into a symphonic and melodic death metal sound, incorporating orchestral elements and sweeping melodic structures alongside extreme metal aggression.

Formed in Riverside, California in 2002, Suicide Silence became one of the defining bands of the deathcore movement under the tenure of vocalist Mitch Lucker. Their 2007 Century Media debut The Cleansing brought the genre significant mainstream attention, followed by No Time to Bleed (2009) and The Black Crown (2011). Lucker died in November 2012 following a motorcycle accident; the band continued with new vocalist Hernan 'Eddie' Hermida and is frequently cited alongside Whitechapel, Thy Art is Murder, and Job for a Cowboy as one of deathcore's founding pillars.

Suigenocide is a Seattle, Washington technical death metal and deathcore band formed in 2023, combining intricate riffing and complex structures with the brutality of the deathcore aesthetic.