- Dover Publications
- Nitetronic US
- Cokesbury
- Eden
- iSUBSCRiBE UK
- LION'S ROAR STORE
- MUJI UK
- eCampus
- Harper Collins
- Springer
- Book Outlet
- Free-eBooks
- textbooks
- Simplydiobooks
- Librio
- Barnes & Noble
- Thomas Nelson
- TAN Books
- ARIELTHEERDH
- Kobo UK
- The Sun Digital
- Uncle John's Bathroom Reader
- Smashwords
- BookRenter
- Textbookx
- Magazines.com
- Bookbyte
- Jarrold Department Store
- DiscountMags.com
- Half Price Books
- Books2Door
- Magazine-Agent.com
- Magazine Line US
- ValoreBooks
- Highlights
- Dark Regions Press
- Cookstr.com (US)
- BookBaby
- Indigo Books & Music
- VitalSource
- The Book Depository (US)
- Powell's Book
- Dreame
- Readly UK
- Snapfish UK
- Apress
- Alibris UK
- LoveBook LLC
- Kobo
- Hearst Magazines US
- Shambhala
- TASCHEN Books
- Sanrio
- Veryfinebooks
- BuySubscriptions
- The Art of Service
- Book Outlet CA
- EBookIt
- History Book Club
- DC Thomson
- Blurb
- Chronicle Books
- Biblio
- The Pragmatic Bookshelf
- Knock Knock & Emily
- MILK Books
- Books a Million
- Rachel Mintz
- Meredith Magazine Store
- Simon Sinek
- Cisco Press
- Safari Books Online
- Next Big Idea Club
- Book of the Month
- The Tuttle Twins
- Magazine.co.uk
- Bookpository
- Smithsonian Store
- World Book Store
- Nature Journal
- Gestalten
- Deseret Book
- AbeBooks UK
- Sparkle Stories
- Studentbeans
- Qpb.com
- missyUSA
- Doubleday Book Club
- The Book Depository EU
- FRANZIS
- Writers Store
- Science Fiction Book Club
- HireWriters.com
- Gobi Cashmere UK
- Simon & Schuster
- O'Reilly
- LoveReading
- bkstr.com
- Mrs Wordsmith
- Bigger Books
- SAP Press
- ThriftBooks
- Magazine-Agent
- Quilting Daily
- LoveReading4Kids
- Paperchase UK
- QBD Books
- Zinio Digital Magazines
- Renegade Game Studios
- isubscribe AU
- ValueMags.com
- Jamalon
- Kobo Canada
- Chegg
- Test Mango
- Alibris
- Palgrave - INT
- MisterArt.com
- Firebox
- BetterWorldBooks
- Booktopia AU
- Kidsbooks
- GreatMagazines
- getAbstract
- Dymocks Books & Gifts
- Daedalus Books
- Scholastic
- Lillypost CA
- Fangoria
- Paperback Swap
- Lillypost US
- Zavvi UK
- MagsConnect
- Chirp Books
- Churchsource
- Gotham Writers
- Becker CPA Courses
- Nolo
- STRAND BOOKS
- Artkive
- Kelsey Media UK
- RedShelf
- Moonlite
- WritersDigestShop
- Stylevana HK
- Audiobooks.com
- The Book Depository UK
- Bookshop