Movie & TV Publisher / Manufacturer
- Gray Parker Service
- Griot Groove
- Groove Corporation
- Groove Garage
- H.m.p
- H2 INTERACTIVE
- Hakusensha
- HAL LEONARD CORPORATION
- HALLEON
- hanayama
- Happinet
- Happinet Media Marketing
- Happinet Pictures
- Happy Promotion
- HarperF
- Hero X
- HK INTERNATIONAL VISION
- HOBBY JAPAN
- HOBBY STOCK
- Hobo Hi
- Hochi Shimbunsha
- Homesha
- Houghto
- HRS Funai
- Humming Bird
- IBCパブリッシング
- Ichijinsha
- IDP出版
- Imagica
- Imperial Records
- In Two Corporation
- INFASパブリケーションズ
- Inpartmaint
- INROCK
- INROCK
- IPSエンタテインメント
- IVC
- J Storm
- J.V.D.
- Japan Media Supply Co.
- Japan Print Systems
- Japan Publications Trading
- Japan Victor
- JDC
- Jesnet
- JTB
- JTB Publishing
- Junes Planning
- K&Bパブリッシャーズ
- K&Kプレス
- KADOKAW
- KADOKAWA
- KADOKAWA
- KADOKAWA
- KADOKAWA
- Kadokawa Cross Media
- Kadokawa Gakugei Shuppan
- Kadokawa Haruki Corporation
- Kadokawa Interactive Media
- Kadokawa Magazines
- Kadokawa Marketing
- Kadokawa Media House
- Kadokawa Shoten
- Kadokawa Shoten
- Kadokawa The Television
- KAIYODO
- Kamio Japan
- Kawade Shobo Shinsha
- Kenelephant
- Kindai Eiga sha
- Kinema Junpo sha
- King Records
- King Records
- Kinokuniya Shoten
- KKベストセラーズ
- Klockworx
- Klockworx
- Koala Books
- Kobunsha
- Kodansha
- Kosaido Publishing
- Kosaido-Akatsuki
- Kosaido-Akatsuki
- Kotobukiya
- LDH
- Legend Pictures
- Lincolnwood〕 Publications International,Ltd
- Line Communications
- Littlemore
- Liverpool
- LIXIL出版
- M.Co.
- M3 Entertainment
- Mag Garden
- Magazine House
- Mainichishimbun Shuppan
- Maker Original
- MANGABANK
- MARUSHIN
- Marushin