Anger Cult was a death/thrash metal band from Jaraguá do Sul, Santa Catarina, Brazil, active from 2017 until splitting up. They released an EP titled "Bringing Order Through Chaos" in 2017, delivering aggressive, riff-driven extreme metal in the tradition of Brazil's underground death-thrash scene.

Animus Necandi is a thrash metal band from Salvador, Bahia, Brazil, drawing from the aggressive, fast-picking tradition of Brazilian thrash metal. Originally active from 2004 with a 2005 demo titled "Bloody World," the band later resumed activity, representing the thrash underground of Brazil's northeastern capital.

A death/thrash metal band from Rio de Janeiro with roots stretching back to the mid-1980s underground scene, founded by guitarist Alberto "Urubu" Lemos. The band built a reputation through raw demo recordings and aggressive live performances before releasing their 1997 album "Fate" on Kaos Records, which drew attention from the worldwide underground circuit. Their sound draws on the hard-edged Brazilian thrash tradition, with lyrical themes centered on war, societal collapse, and political decay.

Antagonyze is a death metal band from the Bio Bio region of Chile, founded by guitarists Ignacio Riveros and Francisco Álvarez and bassist Mateo Gutiérrez. The band released the demo cassette Echoes from Soul in 2020 and later re-recorded and expanded that material into their debut full-length Interpretations of the Unknown Wilderness, released in April 2024 on Chaos Records. The album was recorded at Estudio Chains in Los Ángeles, Chile, and drew praise for its old-school 1990s death metal approach with thrashing, prog-inflected intensity.

A thrash metal band from Parauapebas in the state of Pará, deep in the Brazilian Amazon region. They released their debut album "Na Terra do Metal" in September 2014, a seven-track record with tracks like "Antropofagia," "Tortura," and "Homicida Nuclear" that channel the aggressive speed and blunt sociopolitical edge of classic Brazilian thrash. The band's origins in a remote frontier city in Pará gave their aesthetic a distinctly raw, regional character that drew academic attention as a study in extreme metal and Amazonian identity.

Antenor are a thrash metal band from Cipolletti in Argentina's Patagonian province of Río Negro, drawing on the classic influences of Megadeth, Testament, and Sepultura. Their 2016 album Círculo del Infierno, released through Tommy Gun Records and distributed via Universal Music, established them across the Patagonian circuit and earned them dates in Buenos Aires and Santiago de Chile. The band is built around brothers Nicolás and Gustavo Estrada.

A speed/thrash metal institution from São Paulo, founded in 1984 and among the earliest bands in the city's underground metal scene alongside Korzus and Attomica. Their 1987 debut "No Limite da Força" is regarded as a classic of Brazilian national metal, and the band returned after a hiatus with "O Caos da Razão" in 2015 to mark their 30th anniversary, followed by "Anthares Espetáculo Sangrento" in 2025. The current lineup centers on guitarists Topperman and Mauricio Amaral, bassist Pardal, drummer Evandro Jr., and vocalist Diego Nogueira, carrying forward their trademark aggressive riffing and politically charged lyrical stance.

Antireligion is a São Paulo-based one-man black/thrash metal project formed in 2011, rooted firmly in the old-school tradition of the genre. The project has released demos including 'Total Desolation' and 'Demo II: Unholy Blasphemies 2012–2014', channeling the raw, aggressive spirit of early Brazilian and European black/thrash pioneers. Lyrically, the project centers on anti-religious themes consistent with the second-wave black metal tradition.

Antroforce is a thrash metal band from Carapicuíba, in the western zone of greater São Paulo, Brazil, formed as a tribute to the 1980s Brazilian metal underground — citing Dorsal Atlântica, Mutilator, Vulcano, and early Sepultura as primary influences. The band sings in Portuguese and released their self-titled debut full-length in 2019 on Bigorna Records, following a split with Harpago in 2015 and two earlier demos. Their 2021 single 'Sinfonia do Diabo' and subsequent album 'Antropocaos' show a band evolving within the classic Brazilian thrash framework.