Audioteka: Audiobooki/Podcasty
Audioteka Group sp. z o.o.
Audioteka Kids
Audible (オーディブル)
Audible, Inc.
Smart AudioBook Player
Books Software
Google Play ブックス: 漫画・電子書籍・ラノベ
Google LLC
BookBeat Ljudböcker & E-böcker
BookBeat
Storytel: Audiobooks & Ebooks
Storytel Sweden AB
Amazon Kindle: 電子書籍、マンガ、雑誌
Amazon Mobile LLC