Ferocious Industrial / Thrash / Groove Metal from Phoenix, Arizona (early); Austin, Texas (later).

A Man Named Onigumo is an extraordinarily prolific death metal and progressive metal project from Springfield, Missouri, amassing nine releases and 63 tracks since 2019. Named after the bandit from the anime Inuyasha, the project blends technical death metal with progressive structures and anime-inspired narrative ambition. Tracks like "Cerebellum Imprisoned" and "Endless Leukotomy" reveal a fascination with neurological horror and surgical precision.

A Notion of Silence is a progressive metal band from Pittsburgh, Pennsylvania, releasing a 10-track album in 2022. With songs like "Thaw," "Stellar Waltz," and "Journey's End," the band crafts atmospheric, dynamic progressive metal that balances technical ambition with melodic sensibility. Their debut positions them within Pittsburgh's tradition of thoughtful, well-crafted heavy music.

A Sense of Gravity is a progressive metal and djent band from Seattle, Washington. Across two full-lengths — 2014's "Travail" and 2016's "Atrament" — the band crafts dense, polyrhythmic compositions that balance technical complexity with dynamic songwriting.

A Silent Ascent is a progressive metalcore project from Muskego, Wisconsin. The band released their 2008 EP "Ranft," a four-track offering that blends melodic progressive metal with the intensity of metalcore.

A Squandered Potential is a progressive and technical death metal band from Boston, Massachusetts. Their 2025 debut full-length "The Implication" delivers eight tracks of intricate, cerebral death metal from the heart of the New England scene.

A((wake)) is a melodic progressive metal band from Portland, Oregon. Active in the mid-2000s, the band released two EPs — "The Crescent" in 2005 and "Northern Lights" in 2007 — showcasing introspective, layered progressive metal.

A-Z is an American hard rock and progressive metal supergroup formed in 2020, the project of former Fates Warning and Warlord drummer Mark Zonder — the band name standing for Alder through Zonder. The core lineup features Fates Warning vocalist Ray Alder, bassist Philip Bynoe (Steve Vai, Warlord), guitarist Joop Wolters, and keyboardist Vivien Lalu, releasing their self-titled debut on Metal Blade Records in 2022 with artwork by Hugh Syme. A sophomore album, A2Z², followed with guitarist Nick Van Dyk (Redemption) and Simone Mularoni (DGM) joining the collaboration, continuing in a melodic, AOR-influenced progressive metal direction.

Aaron Holt is a progressive metal and rock solo artist from Washington, D.C. His 2020 full-length "My Burdened Mind" presents ten tracks of introspective, technically accomplished progressive metal.