Internal Perdition is a progressive groove/thrash metal band from Poznań / Murowana Goślina, Poland, active since 2012 and blending thrash metal's velocity with groove metal's rhythmic punch. The project delivers high-energy, riff-driven metal.

Intet is a progressive black metal project from Norway, active since 2016 and forging dark, aggressive extremity within the Norway black metal scene. The project channels the unrelenting intensity of the genre.

Into Denial is a progressive heavy metal band from Dortmund, Germany, formed in 2022, combining ambitious progressive structures with the power and directness of heavy metal. The band channels Dortmund's steel-town energy into dynamic, multi-layered compositions.

Into the Woods are a progressive metal band from London, formed in 2016. They craft complex, exploratory progressive metal.

Introspectrum are a progressive power metal band from Colchester, England, formed in 2015. They combine progressive complexity with power metal drive.

Intruder Incorporated is a progressive death metal band from Novorossiysk, Russia, active since 2009 and delivering uncompromising extremity through crushing riffs and guttural vocals. The project channels the relentless brutality of the genre.

Progressive/depressive black metal band from Finland active since 2013, pushing depressive black metal into progressive territory with complex structures.

Intus is a power/progressive metal band from Naters, Switzerland, formed in 2018, combining the anthemic energy of power metal with the compositional ambition of progressive structures. The band draws from the mountainous Valais region, channeling alpine grandeur into sweeping metal arrangements.

Inuendo is a progressive metal band from Kaštela, Croatia, active since 2012 and crafting ambitious, technically proficient compositions that push beyond conventional metal boundaries. The project channels progressive sophistication.