Florida's Seed of Pain bridge the raw fury of thrash metal and the breakneck physicality of metalcore, landing squarely in the crossover space where hardcore kids and headbangers share pit real estate. Since forming in 2018, they've pursued an abrasive, high-energy sound that owes as much to the spirit of NYHC as it does to Bay Area thrash.

Denver's Seren occupy an ambitious crossroads of progressive black and death metal with metalcore influences, weaving volatile extremity and structural complexity into a sound that has distinguished the band in Colorado's underground since 2017.

Severed is a New York metalcore band with roots stretching back to 1980, making them one of the longer-standing acts in the genre's history. They blend aggression and structure in the metalcore mold, drawing on decades of East Coast heavy music tradition.

Providence, Rhode Island's Shadow of a Doubt bring a melodic metalcore approach to New England's tight-knit heavy music scene, formed in 2012 with a focus on hooks sharp enough to cut through the aggression. Their sound sits at the intersection of anthemic vocals and driving, abrasive instrumentation.

Shadows Fall is an American metalcore band from Springfield, Massachusetts, formed in 1996 by guitarists Jonathan Donais and Matt Bachand, who developed a sound that merged Gothenburg melodic death metal with American metalcore aggression. The band is considered one of the pillars of the New Wave of American Heavy Metal alongside Killswitch Engage, Lamb of God, and Unearth, with their 2004 album The War Within reaching number 20 on the Billboard 200 and becoming one of the era's defining records. After an indefinite hiatus beginning in 2014, the band reunited for live shows in 2021 and released new studio material in 2024 for the first time in twelve years.

Martinsville, Virginia's Shadows Within have been blending groove metal's rhythmic stomp with metalcore's intensity since 2011, carving out a sound rooted in the Southern region's blue-collar hard rock tradition. Their approach leans on heavy, mid-tempo riffing anchored by metalcore dynamics and a songwriting sensibility honed over more than a decade of regional activity.

A new entry from Salt Lake City's heavy music scene, Shadowspire launched in 2024 merging the brutality of death metal with the chugging structures of metalcore. Still in their early days, the band represents a wave of younger Utah acts pushing against the state's underground metal limits.

Emerging from Asbury Park, New Jersey in 2024, Shattered Realm grafts metalcore's intense breakdowns and melodic hooks onto a foundation of death metal brutality.

Cleveland, Ohio death metal unit formed in 2013, drawing from the Midwest's blue-collar underground to deliver punishing, no-frills death metal steeped in the tradition of the genre's American roots.