1. Amazon.com Inc.
2. Apple Inc.
3. Houghton Mifflin Harcourt
4. John Wiley & Sons Inc.
5. Kortext Ltd.
6. Kotobee
7. McGraw Hill LLC
8. Nantong Chariot Information Tech Co.Ltd
9. Oxford University Press
10. Pearson PLC
11. Repro India Limited
12. VitalSource Technologies LLC