Raleigh, North Carolina's Bastard Tongue has been active since 2017, pursuing a straightforward black metal path in the tradition of the American underground.

Savannah, Georgia's Bastardane blend the swaggering riff weight of groove metal with stoner metal atmospherics, active in the Southern underground since 2019.

Buffalo's BastardBastardBastard bring a sardonic edge to thrash and crossover, leaning into themes of humor, politics, and social commentary with relentless aggression.

South Bend, Indiana's Basura is a death metal act that released material through Reaper Records U.S.A., including the title Ministry of Hate, active in the American underground since 2000.

Raleigh, North Carolina's Basura began as a grindcore outfit before evolving toward death metal/grindcore crossover territory, distinguished by their use of dark humor throughout their work.

BAT is a heavy metal and speed metal trio from Richmond, Virginia, formed in 2013 by Municipal Waste guitarists Ryan Waste and Nick Poulos, who channeled their love of the dirtier and more primitive side of the New Wave of British Heavy Metal into a stripped-back analog format. The band recorded their initial material to analog reel-to-reel tape, and with drummer Chris Marshall joining in 2017, solidified a road-tested lineup. BAT are currently signed to Nuclear Blast Records.

Relentless Black / Death / Groove Metal / Grindcore from Dallas/Fort Worth, Texas (early); Austin, Texas (later).

Chicago death metal and grindcore act Bat Eater has been grinding since 2020, tackling themes of satire, paranoia, and coronavirus-era zeitgeist with characteristically vicious brevity.

A short-lived Houston thrash act from 1985 that quickly renamed themselves Crucial Surge after discovering a New York band already claimed the Battalion name.