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.