Doylestown, Pennsylvania's Superheaven (formerly known as Daylight) craft a crushing, fuzz-drenched brand of shoegaze-inflected grunge that channels the heavy melancholy of Hum, Swervedriver, and early Smashing Pumpkins. Their 2015 album 'Ours Is Chrome' is a masterclass in balancing overwhelming distortion with gorgeous melody, creating a wall of sound that feels simultaneously crushing and transcendent. Superheaven's brand of heavy, emotionally resonant shoegaze has earned them a devoted following among fans who crave guitars that are both beautiful and punishingly loud.

Superjoint — formerly Superjoint Ritual — are a New Orleans, Louisiana sludge metal and crossover thrash band that reformed in 2016, co-founded by Pantera and Down vocalist Philip Anselmo, combining the grinding aggression of crossover thrash with the thick, swampy heaviness of the New Orleans sludge tradition.

Superkabras is a stoner/doom metal band from Ambato, Ecuador, playing entirely instrumental music. Active since at least 2014, they have released a series of EPs including Totem Gif (2014), Inorgánico universo (2018), and Alaska (2020), building a catalog of heavy, riff-driven soundscapes rooted in the stoner and doom traditions.

Supernatural Deathray is a crossover thrash act formed in 2022, delivering the high-velocity riff attack and punk-infused aggression characteristic of the genre's New York roots.

Supernatural Elimination is a death metal band from Downingtown, Pennsylvania, formed in 2020 and trafficking in the direct, unadorned brutality that defines underground death metal.

Supernaut is a stoner metal band from Santa Cruz, California, whose name is a nod to the Black Sabbath classic, channeling sun-baked, riff-heavy grooves rooted in the California coastal underground scene since 2017.

Superrot is a death metal and grindcore band from Rock Island, Illinois, formed in 2025 and built around the pulverizing short-form brutality that defines the Midwest's underground extreme metal underground.

Supersonic Dragon Wagon is a stoner metal band from San Diego, California, active since 2013 and combining fuzzed-out guitar work with the desert-influenced heaviness that thrives in Southern California's DIY underground.

Superstition is a melodic heavy metal band from Chicago, Illinois, with roots stretching back to 1993, drawing on classic metal traditions with a focus on powerful riffing and melodic songwriting.