Akron, Ohio's Silent Knight have spent two decades threading death, thrash, and speed metal into a cohesive whole since forming in 2005, blending the velocity of old-school speed with the darker tonality that comes from a genuine death metal foundation.

Old Bridge, New Jersey's Silo have been refining technical thrash and speed metal since 2016, hailing from one of the Garden State's most storied underground scenes and putting a premium on precision and velocity in roughly equal measure.

Omaha, Nebraska's Sinne emerged in 2022 playing speed/black metal with a punk backbone, combining the reckless velocity of first-wave black metal with the rawness of '80s hardcore and the Midwestern underground's DIY ethos.

Skelator is a Seattle-based epic heavy and speed metal band formed in 2008, playing a style that recalls the grandeur of Manilla Road and Manowar — soaring vocals, galloping rhythms, and sword-and-sorcery mythology without a trace of irony. They are one of the most dedicated standard-bearers of true metal in the Pacific Northwest.

Out of Santa Fe Springs, California, Skeptor has been honing a razor-sharp technical speed and thrash metal attack since 2014 — a Southern California act rooted in the region's rich thrash heritage but pushing toward more intricate, precise territory.

One of New Jersey's longest-running underground metal acts, Helmetta's Skitzo have been honing their progressive power and speed metal craft since 1985 — a band whose four decades of persistence speaks to a genuine devotion to the technical, melodic end of the genre.

Philadelphia's Skullovich formed in 2023 to play the kind of fast, lean thrash and speed metal that cities like their own helped define decades ago. Their approach is unambiguous — riffs built for momentum, solos built for impact, with no detours into modern subgenre territory.

Slutlust is a Philadelphia black/speed metal outfit formed in 2014, blending the raw aggression of first-wave black metal with the stripped-down velocity of speed metal in the tradition of acts like Venom and Motörhead.

Bayonne, New Jersey speed and power metal band formed in 2009, evolving from classic heavy metal roots toward a harder-hitting thrash and speed metal sound over their career.

SOG is a speed and thrash metal band from Atlanta, Georgia, formed in 2018, delivering high-velocity riffs and aggressive energy drawn from the classic traditions of the genre within the Southeast's active extreme metal community.

Soilent Green is a speed and thrash metal band from Minneapolis, Minnesota, formed in 2021, carrying the name into the Midwest thrash scene with high-energy, aggressive songwriting indebted to the genre's classic American tradition.

Soraya are a heavy, speed, and thrash metal band from Palmdale, California, formed in 2021, channeling the raw energy of classic 80s metal into a modern context with an emphasis on speed and traditional song structures.

Sound Barrier is a Houston, Texas heavy/speed metal outfit formed in 2017, delivering aggressive riff-driven metal that blends classic heavy metal foundations with the harder-edged momentum of speed metal.

Sovereignty is a New York speed/thrash metal band formed in 2019, fusing the velocity of speed metal with the punishing riff structures of classic thrash.

Spater is a speed and thrash metal band from Newark, New York, formed in 2004, blending the kinetic energy of classic speed metal with thrash aggression and punk attitude in the vein of the genre's old-school practitioners.