Corona, California's Mourning Star specialize in epic doom metal of the grand, theatrical variety — slow-burning compositions built on massive riffs, dramatic pacing, and a sense of ancient, mythic weight.

Fairfax, Virginia's Mournspire traffic in death/doom of the heavy and suffocating variety, blending the genre's slow, crushing tempos with death metal's brutal downtuned attack in a sound that has been taking shape since 2017.

Crushing Sludge / Doom Metal out of Texas.

Mesa, Arizona's Mouthbreather have been crafting heavy, oppressive sludge and doom metal since 2012, pairing abrasive textures and deliberately sluggish tempos with a raw energy native to the Southwest's underground heavy music community.

Fayetteville, Arkansas' Mud Lung have been churning out slow, tar-thick sludge and doom since 2013, with a sound that captures the oppressive humidity and isolation of the Ozarks in layers of distorted feedback and downtuned misery.

A San Francisco death-doom project born in 2025, Mudslinger buries melody beneath layers of grinding low-end, pairing cavernous death metal brutality with the suffocating crawl of doom.

Portland, Maine's Mugwort is a sludge-doom project that trades in oppressive atmosphere and crawling tempos, reflecting the cold, isolated quality of the Northeast in every slow, crushing note.

Lancaster, Pennsylvania's Mule Thrower arrived in 2021 with a sludge-doom sound as stubborn and heavy as their name implies — slow, punishing, and built on the kind of oppressive riffing that demands physical submission.

Grand Junction, Colorado's Murder Cafe push death/doom into stranger territory, layering crawling heaviness with experimental textures that refuse easy categorization. Formed in 2012, they occupy a niche corner of Colorado's underground where sonic discomfort is the whole point.