Cleveland crossover thrash and sludge outfit arriving in 2025 with three releases including the wildly titled Balkan Night Fever. The incorporation of Romica Puceanu — a legendary Romanian singer — into their sound suggests a genuinely original fusion of Eastern European music and American sludge.

Arnold/Annapolis, Maryland sludge metal veterans with twelve releases since 2009. Cold and True and Constant, Cruel Irony anchor a massive catalog that has made them one of the Chesapeake region's most prolific and respected heavy bands.

Dallas hardcore punk and sludge project with three releases since 2018. The Inglewood Tapes series captures raw, unvarnished aggression from the DFW underground — punk-inflected sludge that hits like a withdrawal from a cash machine that only dispenses punishment.

Oakland/San Francisco sludge metal project with deep roots stretching back to 2003. Five releases including the lowercase-titled atone summer beats and beyond the clouds reveal a veteran act that has evolved from pure sludge into more atmospheric territory across two decades.

Chicago post-metal/sludge act crafting atmospheric heaviness from the Windy City, blending shoegaze textures with crushing sludge in the tradition of Neurosis and Isis.

Tallahassee, Florida sludge/thrash hybrid with two releases since 2011. Named after the DC Comics rage-powered villain, their split with Ex-Breathers and Five Inversions EP channel capital-city fury through heavy, angular music.

San Francisco/Oakland sludge metal outfit with four releases since 2013. From early demos to proper EPs, they've built a catalog of crushing, low-end-heavy music from the Bay Area's industrial corridors.

Memphis, Tennessee hardcore punk and sludge hybrid with three releases since 2017. Their split with experimental grindcore outfit Knoll demonstrates a willingness to operate at the extreme edge of heavy music from the Bluff City.