Slammer are an Altoona, Pennsylvania hard rock and heavy metal band formed in 2019, rooted in the blue-collar metal tradition that the state has long produced. They share a Bandcamp with their heavy metal counterparts, occupying a classic, no-frills approach to the genre.

This Slaughterhouse, a separate act formed in 2018, works in the heavy and power metal territory where melody and muscle share equal footing. The lack of a confirmed location adds an air of mystery to a band whose sound leans toward the epic and anthemic.

Seattle's Slave Traitor merge heavy metal's melodic muscle with doom's oppressive tempos, producing a sound that befits the Pacific Northwest's overcast, introspective atmosphere. Active since 2012, they bring traditional doom sensibilities to a city better known for grunge and post-metal.

Los Angeles heavy metal band formed in 2020, rooted in traditional metal sensibilities with a contemporary edge drawn from the city's long-running hard rock and metal culture. Slaven operate in classic heavy metal territory without veering into extreme subgenres.

Bowling Green, Ohio heavy metal band active since 2016, rooted in traditional heavy metal with an emphasis on direct, no-frills power riffing. Sledge represent the working-class Midwest metal aesthetic — straightforward, heavy, and unapologetic.

Los Angeles heavy metal band formed in 2017, operating in the tradition of classic heavy metal with Southern California's characteristic blend of hard rock influence and metallic punch. Their music carries the spirit of the city's deep metal lineage without chasing modern trends.

Denver's Sleepless Knights arrived in 2024 with a sound rooted in the melodic traditions of heavy and power metal, filtered through progressive arrangements that push beyond straight-ahead anthems. Their approach favors expansive songwriting and technical ambition alongside the genre's characteristic drive and hooks.

Denver's Sleepwalker work the hard rock-adjacent side of traditional heavy metal, delivering muscular, riff-driven music in a city with a deep-rooted metal scene. In operation since 2011, they represent the bread-and-butter heavy metal ethos that keeps grassroots scenes alive.

Colorado Springs' Sleepy Hollow have been pursuing a technically ambitious strain of progressive power metal since 1992, blending intricate arrangements with the melodic punch that defines the genre's finest acts. Their longevity points to a dedicated approach to the more demanding end of heavy metal craft.