Dexerebrattor is a crossover thrash band from Formosa, in Argentina's northeastern NEA region, formed in 2015. Their debut release, the five-track EP Toxic NEA!, came out on July 16, 2015, with lyrics touching on politics, toxic environments, and anti-poser themes. The band's founding lineup included Facundo Balmaceda on vocals, Brian Galvan on lead guitar, Gabriel J Hansen on rhythm guitar, Adrian Deserti on bass, and Dany Molina on drums.

Dioxina was a thrash metal and crossover band from São Paulo, Brazil, active from 2015 and later split-up. The band self-released their five-track EP "Ordem e Regresso" in August 2015, delivering aggressive crossover thrash in the tradition of the São Paulo underground scene. They operated independently throughout their existence.

Dirty Room is a thrash and crossover metal band from Buenos Aires featuring vocalist Leandro Laudonia, guitarist Luciano Vazquez Lococo, bassist Tulio Navia, and drummer Emanuel Vazquez Lococo. The band released their debut EP Conspiracy & Doomsday in August 2016 and followed it with the full-length Nevercops in March 2018.

Disenteria is a crossover thrash metal band from Santos, São Paulo, Brazil, formed in 2020 and operating as an independent act. The band is listed on Encyclopaedia Metallum and participates in the São Paulo coastal region's underground extreme metal circuit, drawing on the crossover traditions of Brazilian thrash.

Febre do Rato was a crossover/thrash metal band from Santa Isabel, Brazil, active from around 2014 until splitting up. The band released a demo alongside the EP Mundo Em Extinção and the single Maníaco, playing fast, aggressive material in the Brazilian crossover tradition. Their output was self-released through Bandcamp.

Finish Him is a thrash/crossover band from Córdoba, Argentina, featuring Cuca on vocals, Mauro on guitar, Fer on bass, and Ramiro on drums. They released their demo "If The Thrashers Are United, Then We'll Never Be Divided" in November 2013, and followed it with the full-length "Choose Your Destiny" in 2024.

Gangrena Gasosa is a thrash metal and crossover band from Rio de Janeiro, Brazil, who brand their style as "Saravá Metal" — a fusion of metal and hardcore with Umbanda and Afro-Brazilian religious imagery. On stage, each member portrays a specific Afro-Brazilian deity or spirit, making the band's live presentation unique within the Brazilian metal scene. The band released the LP Welcome to Terreiro in 1995 and has remained active for over three decades, issuing the album Figa of the Dark in 2024.

General Kroll are a crossover thrash band from Rosario, Santa Fe, Argentina, formed in 2015. Their seven-track Demo Ensayo 2015 was recorded, mixed, and mastered by Augusto Brasseur at Sala HUM in Rosario and released in June 2015, documenting an early sound built around fast, hardcore-inflected riffs and sardonic song titles.

Glote is a crossover thrash band from Santos, São Paulo, formed in 2023, with a lineup of Felipe Gameiro on vocals, Bruno Cabaleiro on guitars, Muxu on bass, and Lucas Santos on drums. Their debut EP The Lost Years (2023), recorded at Estúdio Warzone in Santos, collects five tracks written between 2019 and 2022 during the COVID-19 pandemic. The release tackles Brazilian social issues including police violence, the precarious health system, and the rise of fascism, firmly in the tradition of politically charged crossover thrash.