Fourkaos is a heavy/thrash/groove metal band from Campina Grande, Paraíba, Brazil, formed in 2019 by vocalist/guitarist Johnny Glaydson, lead guitarist Matheus Oliver, bassist Matheus Henrique, and drummer Rodolfo Diniz. The band released their debut album "Remnants of Sanity" in July 2019, an eight-track record blending thrash aggression with melodic and progressive elements. Their sound draws on multiple strands of heavy metal while maintaining a cohesive identity described as both modern and organic.

Fullrage is a heavy/thrash metal band from Porto Alegre, Rio Grande do Sul, Brazil, formed in 2020. They released their debut album, Resurrection Denied, in 2021 through True Metal Records — a ten-track effort with mix and mastering by Ben Hur Lima and cover artwork by Marcelo Vasco.

GaiaBeta is a heavy/power metal band from Feira de Santana, Bahia, formed in 2017 by vocalist Marcos Diantoni, with a lineup that also includes guitarists Lennon Kitaro and Fabio Mesquita, bassist Junior McGyver, and drummer Valter Filho. Twice recognized with national metal awards in Brazil, the band released their debut album "Gate of GaiaBeta" through the Greek label Pitch Black Records in May 2025, drawing comparisons to Iron Maiden, Hammerfall, and Helloween.

Gargola is a heavy/power metal band from Virreyes, Buenos Aires, first active from 1995 with themes centred on social denouncement and political injustice. The band contributed the track "Battle Hymn" to the 2004 Argentine Manowar tribute Muerte al Falso Metal and "The Ripper" to the 2005 Judas Priest tribute A Tribute to the Priest.

Grietas are an alternative metal band from Reconquista, Santa Fe, Argentina, with Nicolás "Cabeza" Saucedo (guitar and lead vocals) as the sole continuously active member alongside Guillermo Tortul (bass) and Facundo Lopez (drums). Their second studio album "Secuelas" was released in late 2020, recorded at Coda Studio in Reconquista and mixed and mastered by Lian Gerbino at White Door Studio in Malmö, Sweden. The title track features guest appearances from Fabricio Faccioli (ex-Vorgrum, ex-Treno) and Lian Gerbino of Tersivel.

Güdenläwd is a heavy and stoner metal band from São Paulo, Brazil, active since 2006. The band has released the album Good And Loud and contributed to a Circus of Power tribute release, maintaining an independent presence on Bandcamp.

Harllequin is a heavy and power metal band from Brasília, Brazil, that formed in 2005 and has gone through periods of activity and hiatus. The band released the full-length album Hellakin Riders in September 2012, a ten-track record recorded, mixed, and mastered at Broadband Studio in Brasília. Their work appeared on the compilation Brasil Metal Union 2005, establishing them as part of the Brazilian metal underground.

Heaven Steel is a heavy/power metal band from Santa Maria da Vitória, Bahia, formed in 2014, operating as an independent act with themes spanning Christianity, science fiction, and geopolitical conflict. Their album Hanoc (2017) is a nine-track release that exemplifies the band's dual focus on traditional power metal songwriting and conceptual lyrical content. They also released earlier works including Nuclear Desaster (2016) and Dreams for a New World (2016).

Heavenly Kingdom is a heavy/thrash metal band from Cubatão, São Paulo, Brazil. The band's lineup includes Brenno Lima, Leandro Dias, Vagner Mesquita, and Bruno Conrado, and their discography spans multiple full-length albums including Tears From The Sky, Nature In Fury, and Slave Of Time, released through Heaven's Music.