Lynchburg, Virginia black metal project B.L.C. has been building a cult presence since 2013, operating as a solo or small-unit entity in the raw, underexposed tradition of the American black metal underground.

Phoenix thrash outfit B.O.S. is a newly formed entry into Arizona's metal scene, emerging in 2025 with the stripped-down aggression that defines the thrash underground's continuing grassroots revival.

Allentown, Pennsylvania's B.O.T. stepped into the thrash underground in 2023, carrying on the Lehigh Valley's working-class metal tradition with the no-frills riff-forward intensity the genre demands.

Daytona Beach heavy metal outfit B.T. Saints has been active since 2016, drawing on Florida's deep tradition of hard-hitting metal to deliver a straightforward and unapologetically earnest take on the genre.

Wilmington, North Carolina's Baag traffics in the slow-moving punishment of doom and sludge metal, a project that has been carving out a heavy, feedback-drenched presence in the Southeast underground since 2018.

South Carolina black metal act Baasthyrian was active in the early 2010s, releasing a self-titled EP and the single Womb Evacuation before going silent — a brief but uncompromising entry in the region's underground black metal history.

A prolific black metal entity out of Milwaukee, Baazlvaat has released a string of albums including Ridiculed by the Common Soldiery, An Old Forgotten Text, The Higher Power, and Guitar Exotic, demonstrating an unusual creative restlessness within the raw black metal framework.

Named for the fearsome Slavic witch of folklore, Pomona's Babayaga applies that mythic dread to their fusion of doom and sludge metal, active since 2022 on the fringes of Southern California's underground heavy scene.

St. Louis death metal band Babdeh has been active since 2020, representing the Midwest's understated but persistent underground death metal scene with a name drawn from Akkadian mythology.