Summer Love is a Portland, Oregon stoner/doom metal band formed in 2012, building hazy, heavy soundscapes from the slow-burning intersection of stoner rock and doom metal.

Summoner's Circle formed in Knoxville, Tennessee in 2015, crafting a theatrically dense blend of doom, black, death, and progressive metal the band describes as 'Epic Metal.' Drawing influence from Dimmu Borgir, Fleshgod Apocalypse, and Opeth, the six-piece builds elaborately structured compositions around original mythology and occult imagery. Their 2024 album Cult, released on Black Lion Records, functions as a concept piece confronting organized religion, partly inspired by controversy surrounding a metal festival in their home state.

Sumokem is a stoner/doom metal band from Little Rock, Arkansas, formed in 2015, delivering slow, fuzz-drenched riffs and hazy grooves rooted in the Southern heavy rock tradition.

Sumptus Ignis is a progressive death/doom metal band from Key Largo, Florida, formed in 2017, weaving dense, slow-burning compositions that balance mournful doom passages with technical death metal aggression.

Sun Burial is a New York black/doom metal project formed in 2016, combining the desolate atmosphere of black metal with the glacial tempo and oppressive weight of doom.

Sun Crow is a doom metal band from Seattle, Washington, formed in 2020, crafting slow and heavy sonic landscapes that draw on the Pacific Northwest's tradition of atmospheric, riff-driven heaviness.

Sun God Ra is a Chicago, Illinois stoner/doom metal band formed in 2017, channeling ancient mythological imagery through sun-baked, fuzz-heavy riffs and hypnotic, slow-rolling grooves.

Sun in Shadows is a melodic death/doom metal band formed in 2019 whose location remains undisclosed, pairing the melancholic melody of death-doom with the emotive sweep of melodic death metal.

Sun Mantra is a stoner/doom metal band from Knoxville, Tennessee, formed in 2023, building meditative, fuzz-driven soundscapes that channel the repetitive pull of heavy riff worship.