Browse Organizations
- O-LIFE.JP
- O⚡EDO LABEL
- OAKS Imprints:
- OB Planning
- Obscure Music Team
- Ocean Software
- Ochimusya+ultraviolence+
- Octavia Records Inc. Imprints:
- ODD No.
- OeRSTED Inc.
- Off Me Nut Records
- Office Anemone
- Office Augusta Subsidiaries:Imprints:
- Office Intenzio
- OFFICE OSAWA
- OFFICE TWO-ONE
- Office-tb
- OG-G Music Works
- OGIPRO THE NEXT
- Oizumi Onei
- Ojisan Mado
- OKNACK
- Okuruto Noboru
- OLD GAME☆Maniacs
- OLM
- oṃ maṇi padme Hūṁ records
- OMAGATOKI Co.,Ltd. Imprints:
- Omega Force
- Omi's Craft
- Omitama Records
- OMNIBUS JAPAN
- OMNIBUS PROMOTION
- omnipers.gather
- Omniset Records
- OMUSUBI RECORDS
- on Demand CD Formerly:
- On Graphics
- On Prism Records
- On the Run Co., Ltd. Imprints:
- ONE MUSIC RECORDS
- One Run Records
- ONE-DER ENTERTAINMENT CO.,LTD.
- ONE'S BRAND
- ONEMUSIC Co., Ltd. Formerly:Imprints:
- onenation
- OneUp Studios
- ONGAKUKAN
- ongaq
- Onion Club
- ONKYO EIZO SYSTEM CO., LTD.
- onomatope* Imprints:
- onomatope*raspberry
- Oo Records
- Oo Records Inc. Imprints:
- oo39.com
- ooedo Express mail
- Ookami Koubou
- OORONG-SHA
- Open Sesame Inc.
- OPTiM
- OPUS INC.
- Orange
- Orange Music Electronic Company
- ORANGE★JAM
- OrangeCoffee
- organon
- Oriens
- Origin Systems
- Oshi-sha
- OTAKU-ELITE Recordings
- OtaQuintet
- OthermanRecords Imprints:
- Otographic Music
- otomart
- Otomate Records
- OTOMEKAN
- OTONOWA
- Ouch!
- OverClocked Records
- OverClocked ReMix
- OVERDRIVE
- OVERLAP
- OVERLAP RECORD
- OVERLAP, Inc. Imprints:
- OverLooked ReMiX
- overTuner
- OVERWORKS
- OX-project