Barnes & Noble
Barnes & Noble NOOK
B&N NOOK App for NOOK Devices
My College Bookstore
Barnes & Noble College
Amazon Kindle
Amazon Mobile LLC
Book of the Month
Google Play Books & Audiobooks
Google LLC
Libby, by OverDrive
OverDrive, Inc.
Audible: Audio Entertainment
Audible, Inc.
Everand: Ebooks and audiobooks
Scribd, Inc.