Las Vegas's Simms arrived in 2024 fusing heavy metal with neoclassical shred, a combination that places technical guitar virtuosity at the center of otherwise traditionally structured metal songs. Their home in the entertainment capital of America is fitting for a project where showmanship and technicality are equally valued.

Sioux Falls, South Dakota's Simon Sez have delivered straightforward heavy metal since 2013 from one of the more unlikely metal scenes in the American heartland. Operating under the djsimonsez handle, the band brings a playful name to music that takes the classic metal template seriously.

Maywood, California's Sin play traditional heavy metal from the Los Angeles metro area, formed in 2014 and operating under the same sin7ven online presence as their New York namesake. Their Southern California location situates them within a region with a storied hard rock and heavy metal history.

Columbus, Ohio's Sin Nombre — the name meaning "no name" in Spanish — have been marinating in the thick intersection of sludge and stoner metal since 2013. Their Midwestern locale adds a certain grey industrial weight to a sound already defined by heaviness, heat, and deliberate, grinding momentum.

New York heavy metal act Sinful have been carrying the torch for straightforward, riff-driven metal since 2006, drawing from the deep well of classic American and British heavy metal without chasing trends. Their long tenure reflects a commitment to the genre's fundamentals over two decades of the New York underground.

New York City heavy metal act Sinistar have been operating since 2009, delivering a brand of guitar-driven traditional heavy metal shaped by decades of the city's underground club circuit. Their work channels classic metal's emphasis on riff craft and vocal power, reflecting the sprawling influence of New York's long history as a breeding ground for American heavy metal.

Allentown, Pennsylvania's Sinister Realm specialize in the darker end of traditional heavy metal — riff-driven and doom-laced — with a sound that evokes the bleakness of forgotten Pennsylvania steel towns and the brooding atmosphere of classic Sabbath-descended doom. Formed in 2012, their emphasis on heavy riffs and clean vocals marks them as committed traditionalists within the American underground.

Milwaukee, Wisconsin's Sinner have operated in the hard rock and heavy metal space since 2003, drawing on the hook-heavy, leather-and-chrome tradition of classic American heavy metal with a workmanlike Midwestern directness.

Los Angeles, California's Sirenhex play traditional heavy metal forged in the city's sprawling underground scene since 2018, channeling the genre's foundational energy into material that owes a clear debt to classic metal's twin virtues of hooks and power.