Rochester, New York progressive metal project. The chemical-sounding name suggests synthetic complexity from Western New York.

Ronkonkoma, Long Island thrash metal project. The legal/military term repurposed for suburban aggression.

New York City crossover thrash, hardcore punk, and thrash metal project. The name promises catalytic energy from the city that never stops.

Adelphophagy is a death metal band from Buffalo, New York. Named after the biological phenomenon of sibling cannibalism, the band delivers suitably savage death metal from the Western New York underground.

Adorn 16 is a black metal project from Brooklyn, New York. Their 2019 single "Бесы (Besy)" — Russian for "Demons" — hints at Eastern European influences filtered through the lens of NYC's underground black metal scene.

New York City groove metal supergroup featuring members of Dream Theater and Symphony X. High-profile musicians channeling prog pedigree into stripped-down, aggressive metal.

Aeolian Winds is a funeral doom and classical music project from New York City. Bridging the worlds of extreme metal and composed classical music, the project has released material ranging from piano compositions to glacial funeral doom, including the EP "Upon a Dead Horizon" and pieces written for solo piano.

Aequitas a Noctem is a melodic death metal band from Hastings-on-Hudson, a small village in New York's Westchester County. Their 2008 full-length "Descent Into Darkness" expanded on an earlier demo of the same name, delivering melodic death metal with a polished approach unusual for such a small-town origin.

Aerik is a black metal project from New York City tied to the broader creative output of Aerik Von. With seven releases in 2023-2024 alone — including remastered anniversary editions — the project delivers raw, confrontational black metal from the heart of the NYC underground.