McHenry County, Illinois' Immortum started with thrash and death metal before pivoting toward blacker, more abrasive territory — a band still in flux, following the music wherever it gets darkest.

Oakland's Impaled have spent nearly two decades sharpening a death metal and grindcore sound with surgical humor and genuine brutality — one of the Bay Area's most reliably visceral underground acts.

Tennessee's Impaled Divinity arrived in 2023 playing slam and brutal death metal in one of the genre's least expected zip codes — grotesque, low-tuned, and mercilessly heavy.

Rochester's Impalement channels progressive metal's technical ambition through a thrash metal lens, resulting in compositions that sprawl and mutate without ever sacrificing aggression.

Crawling out of La Puente since 2020, Impalement drag death metal into suffocating doom territory, piling on rot and weight in equal measure. Their sound sits somewhere between a funeral procession and a cave-in.

Saint Paul's Impaler have been sharpening their blades since 2014, channeling the raw voltage of speed metal through the no-nonsense attitude of classic heavy metal. Think leather and lightning in the upper Midwest.

Devastating Progressive Melodic Death Metal / Deathcore out of Texas.

Jacksonville's Imperial Conquest have fused blackened hostility with death metal's brute precision since 2010, their Florida roots lending an extra layer of filth to an already scorched sound.

Denver's Imperial Legion emerged in 2021 bringing melodic death metal honed at altitude — sweeping guitar work threaded through relentless aggression, with the Rocky Mountain horizon looming behind every riff.

Chicago's Imperial Savagery have been delivering pure, unadorned death metal brutality since 2014, with the industrial grit of the city baked into every punishing, no-frills track they've put out.

New York City's Imperial Triumphant are one of the most distinctive voices in avant-garde black metal, sculpting dissonant, jazz-inflected nightmares that evoke Manhattan's architectural excess and moral rot. Their work since 2010 reads like a fever dream scored to the skyline.

Las Vegas's Implements of Hell evolved from deathcore roots into full-on slam brutality, their music as grotesque and relentless as the city they call home — formed in 2019 and getting heavier ever since.

Hudson Valley newcomers Implode arrived in 2024 dragging sludge metal's slow, crushing weight through the post-industrial quiet of Wappingers Falls, building dense, suffocating walls of noise with methodical intent.

Long-running Houston satanic death metal institution. Still active with recent releases on Dark Descent Records.

York, Pennsylvania death metal newcomers Impure Conception arrived in 2024 with an old-school approach — straightforward, vicious, and grounded in the mid-Atlantic working-class grit that surrounds them.