Trollfat is a California-based blackened heavy metal act formed in 2024, fusing the raw aggression of black metal with the driving, riff-forward energy of traditional heavy metal.

Trouble formed in Aurora, Illinois in 1979 and are widely recognized as one of the founding acts of American doom metal, often grouped alongside Candlemass, Pentagram, and Saint Vitus. Their first two albums, Psalm 9 (1984) and The Skull (1985), are landmark recordings that grafted Black Sabbath's heaviness onto a spiritual lyrical framework. The band signed to Rick Rubin's Def American label for their 1990 self-titled album and continued recording across eight studio releases.

Troupe is a Missouri heavy metal and hard rock band formed in 2012, drawing on classic heavy metal and rock traditions.

Troupe is a heavy metal and hard rock band from Shreveport, Louisiana, formed in 2012, rooted in the hard-rocking end of traditional metal.

Trox is a Newark, New Jersey heavy metal and hard rock outfit formed in 2018, building on the muscular riff vocabulary of classic heavy metal with a modern edge.

Truant is a melodic heavy metal and hard rock band from Vallejo, California, formed in 2010, drawing on the Bay Area's rich tradition of hook-driven, guitar-led metal.

True Strength is a Denver, Colorado heavy and power metal band formed in 2016, delivering anthemic, melodically driven metal with an emphasis on soaring vocals and uptempo riffs.

Heavy metal band from Detroit, Michigan, formed in 2022, drawing on the classic traditions of the genre while building a sound rooted in the city's long history of hard rock and metal.

Hard rock and heavy metal band from San Francisco, California, formed in 2018, delivering the forceful, hook-driven sound the city's hard rock scene has long been known for.