Formed in 2025, Sigorspéd are a new entry in American black metal, a project whose name draws on archaic runic language and whose sound traffics in raw, primitive extremity from an undisclosed location.

New Jersey-based Sigourney combine the murky, feedback-drenched heaviness of sludge metal with the hazy, loping grooves of stoner metal, crafting a sound that is both oppressive and hypnotic since 2020.

Dallas outfit Sik have been blending groove metal's locking rhythmic punch with the fuzz-heavy swagger of stoner metal since 2012, channeling the hard-edged heaviness that has long defined the Texas underground.

Houston crossover thrash veterans Sik Mentality trace their origins back to 1987, making them one of the longer-running acts in the Texas extreme metal underground, delivering the genre's raw blend of hardcore intensity and thrash aggression across decades.

Charlotte's Sikarra operate in the melodic and technically ambitious space between progressive metal and power metal, weaving clean-toned guitar work and dynamic song structures into their heavy metal foundation since 2016.

Chicago's Silaera blend the sweeping, textured approach of atmospheric black metal with post-metal's dynamic range and patient song construction, producing immersive and emotionally resonant heavy music since 2019.

Charlottesville, Virginia's Silas Fernandes is a progressive metal and shred project fusing classical composition techniques with djent's polyrhythmic guitar approach, resulting in technically dense instrumental music that emphasizes melodic precision since 2018.

Flemington, New Jersey's Silence in the Grey have been crafting slow, heavy doom metal since 2013, building on the genre's foundational principles of weight, atmosphere, and an unyielding sense of dread.

Charlotte's Silence Is My Canvas approach progressive metal through a neoclassical lens, pairing technically demanding guitar shredding with compositional sophistication drawn from classical music traditions since 2017.