Agga is a thrash and black metal band from Naples, Florida. Their two 2023 EPs draw from ancient Sumerian mythology — "By the Fiery Scimitar of Shammash" and "Sumerian Tablets - The Origins of Human Creation" — wrapping historical mysticism in aggressive thrash-black metal.

Aggravated Assault is a thrash metal band from Fairfield, California. Their 2025 live recording from Transplants Brewing captures the raw energy of a thrash band in their element — playing a Christmas show at a local brewery.

Old-school thrash in the Kreator/Slayer vein, formed in 2008. Invited to play Inferno Festival in Oslo off the strength of their early demos.

Aggression Core is a thrash metal band from Seattle, Washington. Their 1995 EP "Dead God" is a six-track relic of the mid-90s Pacific Northwest thrash underground, predating the era when grunge had all but eclipsed metal in the region.

Aggressor is a thrash metal band from Boston, Massachusetts. Their 2018 demo captures three tracks of raw, unpolished thrash from the New England underground.

Aggro is a thrash/death metal band from Hayward, California. Their 2020 release "Going Under OST" is a massive twenty-nine-track video game soundtrack, an unusual format that channels metal aggression into interactive entertainment.

Aggroculture is a thrash metal band from Allston, Massachusetts — Boston's legendary DIY music neighborhood. Their 2026 full-length "Scrumpydrinking Thrashcore Gimps" and a 2025 live recording capture the chaotic, irreverent energy of the Allston house show scene.

Agnostic Priest is a thrash and speed metal band from Oakland, California. Their 2019 full-length "Final Stand" delivers eight tracks of high-velocity thrash from the East Bay.

Los Angeles thrash metal project. The name suggests a state of unknowing — ignorance weaponized through speed and aggression.

Agonia is a death/thrash metal band from Los Angeles with an extraordinarily prolific output — fourteen releases since 2024 alone. The project's relentless pace includes multiple full-lengths, EPs, and singles that suggest either a deep well of material or a one-person creative torrent.

Agony Forge is a thrash/power metal and melodic death metal band from Madison, Wisconsin. Their 2021 EP "The Sleepy Sessions" offers a brief but energetic glimpse of the band's genre-crossing approach.

Agony Reigns is a thrash metal and metalcore band from the Minneapolis/Saint Paul area of Minnesota. Their 2017 "Powerhouse Demo" captures the raw early energy of a Twin Cities crossover act.

Agressor is a heavy and power metal band from New York City. With four releases between 2018 and 2021 — including the full-lengths "Medieval Rites" and "Neverending Destiny" — the band plays classic-styled power metal with an epic, medieval flair.

Agrezor is a thrash metal band from Los Angeles. Their 2023 output includes the EP "Death to Earth" alongside a reissued 2008 demo, connecting the band's present-day thrash to over a decade of underground activity.

Chicago thrash metal project. The name promises aerial bombardment through Windy City speed metal.