Insulator is a thrash metal band from Riga, Latvia, active since 2018 and delivering aggressive, riff-driven thrash with relentless intensity. The project channels the speed and fury of the genre.

Insulter is a thrash/black/death metal band from Friedrichsdorf, Germany, active since 2012, wielding a triple-headed attack that draws from thrash, black, and death metal simultaneously. The band delivers a savage, genre-blending assault from the Taunus foothills north of Frankfurt.

Black/thrash metal band from Sabadell near Barcelona, active since 2008 — over 15 years of blackened thrash from the Catalan industrial city.

Insurgency is a melodic thrash metal band from Lunen, Germany, active since 2014, pairing the speed and aggression of thrash with melodic hooks and harmonized guitar leads. The band channels the Ruhr-adjacent town's energy into accessible yet aggressive thrash compositions.

Insurgência is a thrash metal/crossover band from Amadora, Portugal, active since 2024 and fusing the aggression of thrash metal with hardcore punk's raw energy and attitude. The project delivers high-octane crossover fury.

Intaos is a black/thrash metal act from Chelyabinsk, Russia, active since 2023 and fusing black metal's corrosive darkness with the speed and aggression of thrash. The project delivers volatile crossover fury.

Integritlie are a black/thrash metal band from the Mondsee-Unterach area of Upper Austria who sing and write in the local Austro-Bavarian dialect, lending their aggressive thrash framework an unusual linguistic identity. Their 2017 self-titled album features tracks like "Todgeweiht" and "Flammeninferno," marrying raw black metal energy to driving thrash riffs.

Integrity is a thrash metal band from Hammarby, Sweden, active since 1990 and delivering aggressive, riff-driven thrash with relentless intensity. The project channels the speed and fury of the genre.

Interdiction is a thrash/death metal band from Dortmund, Germany, active since 2003, merging thrash metal's velocity with death metal's heaviness from the heart of the Ruhr Valley. Over two decades, the band has refined their dual-genre assault into a tight, devastating package.