New York hardcore outfit SubZero was formed in 1989 by veterans of the NYHC scene, including members of Breakdown and Up Front, with vocalist Lou di Bella completing the lineup. Their 1996 debut full-length Happiness Without Peace established them as a durable force in the metallic hardcore underground, and the track 'Boxed In' was later covered by Hatebreed on For the Lions. Despite di Bella's battle with acute lymphoblastic leukemia halting the band in the late 1990s, SubZero resumed activity and released The Suffering of Man in 2004.

Rochester, New York doom and post-metal outfit formed in 2017, blending the slow, melancholic weight of doom metal with the atmospheric breadth of post-metal.

Long Island, New York titans of brutal and technical death metal, Suffocation are widely regarded as one of the most influential bands in the genre's history, with seminal records like Effigy of the Forgotten helping define the sound of technical death metal in the early 1990s and beyond.

Suicidechain is a black metal act from New York, formed in 2024 and operating in the raw, confrontational tradition of the genre's underground.

Sulaco is a Rochester, New York death metal and grindcore band active since 2003, known for their punishing fusion of extreme metal brutality with the velocity and compression of grind.

Sulfuric Hatred is a New York black/death metal band formed in 2022, forging a corrosive blend of black metal atmosphere and death metal brutality.

Sully is a Rochester, New York grindcore band active since 2008, delivering the fast, abrasive blasts characteristic of the genre's underground DIY scene.

Sun Black Smoke is a stoner/sludge metal band from Buffalo, New York, formed in 2013, built on massive, haze-soaked riffs and a thick, abrasive low-end that reflects the industrial grit of their home city.

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.