Publisher / Manufacturer
- Asahi Shimbun Publishing
- Asahi Shimbun Publishing
- Asahi Shimbun Publishing
- Asahi Shimbun Publishing
- Asahi Shimbun Publishing
- Asahi Shimbun Publishing
- Asahi Shimbun Publishing
- ASAP
- ASCENDIA
- ASCII Eiga
- Ascii Mediaworks
- Asean Domestic
- ASIA PRESS INTERNATIONAL
- AsiaGeo
- ASJ
- ASK
- ASK
- ASK Publishing
- AskUsMedia
- Asmik
- Asobi Kenkyujo 365
- Asomanabi
- ASPILITY
- Aspire
- Aspire Records
- Aspyr
- ASSY
- ASSY
- Astraia Broad Cast Japan
- Astro System Japan
- Astro System Japan
- Astrolabe Games
- Astronauts
- Astronotes Star
- Astrum Design
- AstrumDesign
- ASUS
- ASWY
- Asyl Design
- AT-X
- ATC
- ATD・NTD
- ATELIER AYA
- Atelier Magi
- aten recordings
- ATERIER G1
- Athena Eizo
- Atlas
- Atmark
- ATO PRESS USA,INC.
- ATOMIC
- Atomic Enterprise
- atomixmedia
- ATORAGON GK
- ATS
- at‐m
- ATパブリケーション
- Audio Technica
- Audiolab
- AUDIOTRAK
- Augusta Records
- Auluxe
- Aunt
- Aurora
- AURU
- AUSONGTIC
- AUTO ART
- Auto Car Japan
- Automaton
- AUTOROZZA
- AV Japan
- AVA‐net
- ave;new
- Avengerｚ
- AVEX
- avex distribution
- avex io
- Avex Marketing
- Avex Marketing
- Avex Pictures
- avex trax
- AVI
- Aviation 400
- AViiQ
- AVエクスプレ
- Awa Muze
- AWAKEN STUDIO
- AWA認証機構
- AWESOME JAPAN
- axel graphic works
- Axel Mark
- AXIA
- Axia
- axion
- Ayers
- AYRE
- Azgrid
- Azip Music
- AZN PRIDE
- AZONE INTERNATIONAL