1. Amazon.com Inc.
2. Audible Inc.
3. Blinkist
4. BookBeat AB
5. ePlatform Limited
6. Google LLC
7. Karadi Tales Company Pvt. Ltd.
8. Legimi SA
9. Midwest Tape
LLC
10. OverDrive Inc.
11. Parsida AB
12. Playaway Products
13. Rakuten Kobo Inc.
14. Scribd Inc.
15. Speechify Inc.
16. Spotify
17. Storytel AB
18. TALES2GO
19. Tools for Schools Inc.