1. 3M Company
2. ACECAD Digital Corp
3. Apple Inc.
4. Evernote Corporation
5. IRIS S.A.
6. Kent Displays Inc.
7. Livescribe Inc.
8. Luidia Inc.
9. Microsoft Corporation
10. Moleskine Srl
11. NEO SMARTPEN Inc.
12. NoteSlate
13. Notion
14. Portronics.com
15. Ratta Smart Technology Co. Ltd.
16. reMarkable
17. Simplenote
18. Sony Corporation
19. Wacom Co. Ltd.