Philadelphia's Laboratory fuses death metal brutality with goregrind's pulverizing speed, conjuring something that feels extracted from a condemned research facility. Active since 2017, they operate on the extreme fringe of Philly's underground.

Boise, Idaho's Laengthengurthe have been grinding out a corrosive mixture of death, thrash, and grindcore since 2006, putting Idaho firmly on the extreme metal map. Their unpronounceable name is a fitting warning label for what's inside.

Savage Death Metal from Denton.

Houston's Lamentation have been weaponizing death metal and grindcore against each other since 2013, producing something fast, filthy, and deeply Texan in its refusal to slow down. They're a cornerstone of H-Town's extreme underground.

Dayton, Ohio's Landfilth landed in 2025 with a death metal and hardcore hybrid that sounds as grim as their industrial Rust Belt home. Their name says it plainly: this is ugly music delivered with purpose.

San Antonio's LaSanche have been forging black/death metal in the San Antonio underground since 2017, fusing the genre's most aggressive elements into something that reflects Texas' fierce and uncompromising spirit. They're one of the Alamo City's most notable extreme metal exports.

Albuquerque's Last House on the Left named themselves after horror royalty and deliver deathcore with appropriately cinematic brutality since 2006. They've long been one of New Mexico's defining extreme metal acts, operating in the desert far from any major scene.

Queens-bred and uncompromising, Last Legion fuses black metal's icy hostility with death metal's brutality into a sound that feels like the borough's concrete compressed into sound.

Prattville, Alabama's Last Transgression has been carving out death-thrash territory since 2011, channeling the American South's heat and grime into riffs that hit like a sledgehammer.