Eden Seed is a heavy/thrash metal band from São Paulo, Brazil, founded in 2016 by guitarist Gisele Marie Rocha, who gained international attention as one of the first Muslim women to front a recorded heavy/thrash metal act. The band released their debut full-length "Age of Creation" in April 2018, a record blending classic heavy metal with thrash and progressive elements.

Ekphora is a thrash and groove metal band from São Paulo, Brazil, formed in 2020 by Thiago Soares and Gustavo Camargo, both veterans of the local extreme metal scene. The band released their debut album Sofrimento Final in November 2020, a five-track independent record with apocalyptic lyrical themes.

Electric Morgan is a heavy/thrash punk band from La Plata, Argentina, formed in 2023. They released their debut album Bandera Negra in 2023 and followed it with Hecho En El Under in 2025, establishing themselves as part of La Plata's active underground metal scene.

Empalador is a heavy/thrash metal band from Buenos Aires whose debut album, El Fin De La Conspiración, was released in December 2012 across 12 tracks. The band's lineup has included Damian D'Ambrosio on vocals, Juan Pablo Di Palma on vocals and guitar, Eduardo Ghidoli on guitar, Manuel Velasco on bass, and Ariel Arakaki on drums.

Enslaver is a thrash metal band originally from Manaus, Amazonas, Brazil, formed in 2015 under the name Deathcurse before settling on their current name. The band relocated to Paraná and is signed to Sony Music, with lyrical themes covering death, anti-fascism, and rage.

Entherror is a black/thrash metal band from São Borja, Rio Grande do Sul, Brazil, formed in 2010. The band drew on themes of Satanism, war, and anti-Christianity across their material, and released the EP "Terror That Never Ends" in 2019 through their Bandcamp page.

Escrotos is a thrashcore band from Teresina, Piauí, Brazil, formed in 2016 and drawing influence from acts like Ratos de Porão, Municipal Waste, and Suicidal Tendencies. The band released their debut EP "SISTEMA" in 2017 through Caverna Produções, delivering aggressive riffs and lyrics that address contemporary social issues. They followed up with the full-length "Vivendo em Agonia," continuing their blend of thrash metal and hardcore.

Esmurrugador is a black/thrash metal band from São Gabriel, Rio Grande do Sul, Brazil, formed in 2021 and operating out of the anarchist commune known as Comuna Pachamama. The band released their debut demo "RETO" in 2021, followed by the album "Agrodeath" in 2022 and a split with Honora Abyssus titled "Christus Abortivum" in 2024. Their lyrics address themes of anti-fascism and rebellion.

Eucrasia is a Buenos Aires thrash metal band listed on the Encyclopaedia Metallum under the thrash genre, with their discography including the album "Traicionera realidad" and "Engendrado por el odio" (2009). The band operates independently and draws on themes of human behaviour and mental states in their music.