Audioteka
Audioteka Group sp. z o.o.
Audioteka Kids
Audible: Audiolibros, podcasts
Audible, Inc.
Storytel: Audiolibros y Ebooks
Storytel Sweden AB
Google Play Libros
Google LLC
Amazon Kindle
Amazon Mobile LLC
4books: lo mejor del business
4books Srl
BookBeat
Smart AudioBook Player
Books Software
Audiolibros Liberados
Sanity Audio Apps