One of the longer-running black metal acts in Southern California, Santa Ana's Mordor have maintained their dark vision since 1994 — an impressive run for the Los Angeles area underground. Their name, drawn from Tolkien's realm of shadow, anchors them in the mythological and fantastical tradition of early European black metal.

Warren, Pennsylvania's Morganthus blend heavy, doom, and stoner metal into a slow-burning, riff-heavy sound that has been deepening since 2017. The rural northwestern Pennsylvania setting feeds naturally into the bleak and earthy weight of their compositions.

Orange County, California's Morgion are one of the most respected names in American doom/death metal, crafting deeply melancholic and atmospherically dense music since the early 2000s. Their slow, crushing compositions draw from the European tradition of My Dying Bride and Paradise Lost while maintaining a distinctly West Coast weight.

Scranton, Pennsylvania's Morkander have been fusing black and doom metal since 2014, generating slow-building, oppressive heaviness from the industrial decay of a northeastern city that lends itself naturally to bleak, heavy music.

Boston's Morne have been one of the most distinctive voices in American post-metal and sludge since 2009, fusing crushing Neurosis-influenced heaviness with a somber, searching emotionalism that sets them apart from peers in the genre.

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.

Seattle sludge and doom duo Morose lean into the Pacific Northwest's penchant for weight and misery, stacking corrosive low-end with slow, punishing tempos. Formed in 2016, they channel the city's rain-soaked gloom into music that crawls under your skin and refuses to let go.

Baltimore gothic and doom metal duo Mortal Blood, formed in 2022, combine the mournful weight of doom with the melancholic grandeur of gothic metal, finding a natural home in a city with a long tradition of dark and atmospheric music. Their sound is heavy yet elegiac, built on atmosphere as much as riffs.

Mortal Man are a heavy and doom metal band from Wilmington, North Carolina, delivering slow-burning riffs with a classic heaviness that owes as much to traditional metal as it does to the crawling tempos of doom.