Bands

Organharvest

United States · Brutal Death Metal

Oroku Saki and the Foot

United States · Experimental Death Metal/Grindcore

Orosius

United States · Black Metal

Orphan Crippler

United States · Blackened Death Metal

Ossiculum

United States · Funeral Doom/Death Metal

Otalgia

United States · Black Metal

Our Daily Trespasses

United States · Symphonic/Atmospheric Black/Death Metal

Outlook Grim

United States · Heavy/Groove Metal

Outnumber the Living

United States · Melodic Death Metal

Ov Lustra

United States · Symphonic/Blackened Death Metal

Ozzuario

United States · Black Metal/Industrial/Post-Punk

Padnakjunne

United States · Raw Black Metal/Ambient

Pagan Hammer

United States · Black Metal

Painful Quandary

United States · Death Metal/Grindcore

Panzerjager

United States · Black Metal

Paradigm

United States · Progressive Metal

Paradox

United States · Power/Thrash Metal

Parasitic Embodiment

United States · Deathcore

Parasomnia

United States · Technical Death Metal/Deathcore

Parthenoid

United States · Raw Black Metal

Path to Midian

United States · Heavy/Groove Metal

Pat Reilly

United States · Progressive Metal/Shred

Patriarchs in Black

United States · Southern/Doom Metal

Patterns of Decay

United States · Melodic Death Metal/Metalcore