1. Anoto AB
2. Apple Inc.
3. Bridgetek Pte Ltd.
4. Dell Inc.
5. Dynabook Inc.
6. Hanvon Technology Co.Ltd
7. HP Development Company
L.P.
8. IRIS group SA by Canon Inc.
9. Lamy Inc.
10. Lenovo Group Ltd.
11. Livescribe Inc.
12. Micro-Star International Co. Ltd.
13. Microsoft Corporation
14. MikroElektronika D.O.O.
15. MOCOLL by Moke International Group Ltd
16. Moleskine S.r.l.
17. Myron Corp.
18. NeoLAB Convergence Inc.
19. Nuwa Pen
20. Panasonic Holdings Corporation
21. Shenzhen KTC Technology Co. Ltd.
22. SonarPen by GreenBulb Trading Limited.
23. STABILO International GmbH
24. STAEDTLER Mars GmbH & Co. KG
25. Wacom Technology Corporation
26. WALTOP International Corp.
27. Xcallibre (Pty) Ltd.
28. Xiaomi Corporation
29. XPPen Technology Co.