Philadelphia's Moros play crushing sludge and doom metal since 2015, drawing on the Greek deity of fate their name invokes to deliver slow, suffocating heaviness from a city with one of the Northeast's most vibrant heavy underground communities.

Kingston, Pennsylvania's Mortuary have ground out death metal in the Northeast underground since 2021, carrying the working-class heaviness of the Wyoming Valley into brutally direct extreme metal.

Bucks County, Pennsylvania's Mountain Shadow are a newly formed (2024) project spanning an unusually wide stylistic range — atmospheric black metal, folk metal, death metal, doom, and death-doom — suggesting a band intent on using the full palette of extreme metal rather than settling into a single lane. The project's scope and ambition make it one of the more intriguing recent arrivals in the Pennsylvania underground.

A Pennsylvania death metal outfit formed in 2022, Mucous waste no time on aesthetics — their approach is direct and grimy, delivering the kind of unpolished, riff-dense death metal that sounds like it came up through the sewers of the state's underground scene.

York, Pennsylvania death metal act Murder Method have been delivering straight-ahead brutality since 2019, with no-frills aggression rooted in the classic death metal tradition. Pennsylvania's industrial landscape seems to inform the blunt-force approach.

Beaver County, Pennsylvania's Mutalist have been excavating the brutal death metal underground since 2012, delivering the genre's trademark pummeling low-end and guttural extremity with uncompromising focus. They represent the blue-collar steel-country grind that has always fed Pennsylvania's metal scene.

A one-man or small-unit project from West Hazleton, Pennsylvania, Myke Owns has been blending the thrashing velocity of thrash metal with death metal's low-tuned malice since 2014, operating deep in the Pennsylvania underground.

Bethlehem, Pennsylvania's Myrdød — whose name invokes death in a Nordic register — fuses black and death metal into a relentless, caustic hybrid that has pushed forward since 2020 with the kind of uncompromising darkness the name suggests.

Pittsburgh death/doom outfit Mythic deal in the slow, suffocating end of the spectrum, dragging crushing riffs through a fog of morbid atmosphere. Formed in 2015, the band pairs the deliberate heaviness of doom with death metal's guttural aggression.