Northampton, Pennsylvania's Hackpeter mashes death metal's surgical brutality against grindcore's frantic brevity, producing a sound that's equal parts calculated and chaotic since their 2019 formation.

Scranton, Pennsylvania's Hallucination are death metal veterans in the truest sense — their formation date of 1969 makes them one of the stranger entries in any metal database, a pre-death metal act whose legacy stretches across decades of Pennsylvania's underground.

Named with sardonic humor, Dover, Pennsylvania's Hamilton Fish have been grinding out death metal and grindcore since 2019 — short, vicious songs that waste no time and take no prisoners.

Pittsburgh's Hand of Doom wrap their hardcore urgency in thrash metal riffing, a combination that makes perfect sense coming from a city that has always produced hard, no-nonsense music. Formed in 2018.

Philadelphia's Hardgore have been dealing in death-thrash brutality since 2016, the city's aggressive musical DNA running through every riff — unpolished, direct, and unapologetically vicious.

Pennsylvania's Hashgrinder emerged from the Poconos in 2015 fusing death metal's grotesque power with grindcore's short-fuse aggression. Their approach is blunt and efficient — songs that hit hard and end before the bruise has time to form.

Philadelphia's Hellegryre plant blackened death metal in the fertile underground soil of one of America's oldest cities, drawing on the Eastern Seaboard's long legacy of extreme music. Since 2020, their sound has pushed toward the violent convergence of both traditions.

Harrisburg, Pennsylvania's Helpless Agony arrived in 2024 with death metal forged in the blue-collar grit of central PA — compact, brutal, and already showing a confidence beyond their young tenure. A band with no interest in easing anyone in gently.

Philadelphia death metal band Horrendous formed in 2009 out of a shared obsession with classic death metal from both sides of the Atlantic and have since evolved into one of the most critically acclaimed acts in progressive death metal. Their debut The Chills (2012) established the band's old-school foundation, while Ecdysis (2014), Anareta (2015), and Idol (2018) demonstrated increasing compositional ambition. Ontological Mysterium (2023), released through Season of Mist, was named Decibel Magazine's album of the year, cementing the band's position at the forefront of modern death metal.