Numa

United-Kingdom

Numb Cum Productions

USA

Numbers Records

unknown

Numen Malevolum Barathri

USA

Numen Musica

Argentina

Numérica

Portugal

Numero Group

USA

Nun Music

Norway

Nun Records

Greece

Nun Violence Records

Sweden

Nuns 'n Guts Records

Mexico

Nunslaughter Records

USA

Nunyet Records

unknown

Nuova Fonit Cetra

Italy

Nurecords (GER)

Germany

Nurecords (ITA)

Italy

Nurse Etiquette

USA

Nusantara Recording

Indonesia

Nusantarajim Productions

Malaysia

Nutrons Records

USA

Nuttsactor 5

USA

Nux Organization

Japan

Nüxdorf Recordings

unknown

NW Music

unknown

NWD

Unknown

NWO Records (New World Order)

Belgium

NXSIE Records

Japan

Nyarlathotep Records

Brazil

NYC Bitch Committee

unknown

Nyctalopia Records

unknown

Nycticorax Productions

unknown

Nydoom Productions

Netherlands

Nykta

Greece

Nykto Tapes

Finland

Nymphaea Records

Russia

Nymphonic Productions

unknown

Nyoncore Records

France

Nyoom Records

United-Kingdom

NZ Metal Records

unknown

O Sole Mio Entertainment

Germany

O Tannenbaum Records

Austria

O' Brien Records

USA

Oak Island Records

Germany

Oak Knoll Productions

USA

Oaken Palace Records

United-Kingdom

Oaken Shield

France

Oakfield Music Group

Sweden

Oakking Records

Netherlands

OarFin Distribution

USA

Oasis

Germany

Oasis D'Arts

Madagascar

Oasis Disc Manufacturing

USA

Oasis Records

South-Korea

Oath

unknown

Obee Records

USA

Obelisk Polaris Productions

Sweden

Obelisk Sounds

USA

OBH Musikverlag

Switzerland

OBI Records

unknown

Obiterdictum

Cyprus

Obituary Records

Sweden

Obitus Records

unknown

Object Enterprises

United-Kingdom

Objective-Subjective

USA

Obliteration Records

Japan

Oblivion

Germany

Oblivious Maximus

Australia

Obnoxious Cadaver Records

Australia

Obnoxious Noise Records

Finland

OBS Records

USA

Obscene Baby Auction Records

United-Kingdom

Obscene Extreme

Czechia

Obscene Productions

Czechia

Obscenity Cult Records

USA

Obscur Noise Prod

France

Obscura Funeralis Productions

France

Obscura Lyd Productions

Norway

Obscura Records

unknown

Obscurant Visions

Russia

Obscurantism Production

Canada

Obscuration Productions

Malaysia

Obscure Abhorrence Productions

Germany

Obscure Arts Productions

Germany

Obscure D-Vision

France

Obscure Domain Productions

Germany

Obscure Dungeon Records

France

Obscure Forest Productions

USA

Obscure Gate Productions

United-Kingdom

Obscure Musick

USA

Obscure Plasma Records

Italy

Obscure Productions

Australia

Obscure Propaganda Productions

Norway

Obscure Summoning

unknown

Obscure Transparency

unknown

Obscure Vanity

USA

Obscured Records

USA

Obscurica Records

USA

Obscuritas Aeterna

unknown

Obscurity Of Error Records

USA

Obscuro Records

Mexico