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Tribunal is a thrash/power metal band from Baltimore, Maryland, formed in 2013, combining the precision and aggression of thrash with the melodic ambition of power metal in the tradition of East Coast heavy metal.

Tribus is a metal band from Gallup, New Mexico, formed in 2025, whose history spans industrial metal in their early period before shifting toward a thrash-oriented sound.

Triguna is a Chicago, Illinois band formed in 2015 that began in death/thrash metal before evolving toward a more progressive death metal sound, reflecting the city's adventurous extreme metal underground.

Trihexyn is a heavy/power/thrash metal band from Gaithersburg, Maryland, formed in 2009, drawing equally from traditional heavy metal, melodic power metal, and thrash aggression.

Trinity Test is a Los Angeles progressive/thrash/death metal band formed in 2019, weaving technical riffwork and death metal aggression through expansive, prog-inflected song structures.

Tripwire is a Michigan thrash metal band formed in 2017, driven by tight, aggressive riffing and the propulsive energy characteristic of the Bay Area and Midwest thrash traditions.

Trivial Difference is a thrash metal band from Alexandria, Virginia, formed in 2021, drawing on classic Bay Area and East Coast thrash influences with modern precision and urgency.

Trivium is one of the most prominent American metal acts of the 2000s, formed in Orlando, Florida, known for bridging metalcore, thrash, and heavy metal across a commercially successful and critically recognized discography that includes albums such as Ascendancy, Shogun, and The Sin and the Sentence.

Troncale is a Los Angeles thrash metal band formed in 2021, carrying on the aggressive Bay Area and Southern California thrash traditions with sharp riffing and high-energy performances.

Troops of Doom is a thrash metal band from Louisa, Virginia, formed in 2021, delivering aggressive, riff-heavy thrash in the tradition of the genre's most aggressive acts.

Vicious Heavy / Thrash Metal from Austin.

True Illusion is a Hutchinson, Kansas band formed in 2020 that blends melodic groove metal, thrash, and metalcore influences into a driving, riff-centered sound.

True to Form is a San Jose, California band formed in 2023 that fuses groove metal's rhythmic heaviness with death metal brutality and thrash aggression into a hard-hitting hybrid sound.

Melodic thrash metal band from Detroit, Michigan, formed in 2020, delivering aggressive riffing tempered with melodic sensibility in the tradition of the genre's more hook-driven practitioners.