1. ABBOTT LABORATORIES
2. ACURA PHARMACEUTICALS Inc.
3. CIPHER PHARMACEUTICALS INC.
4. DAIICHI SANKYO Inc.
5. EGALET CORP.
6. ELI LILLY AND COMPANY
7. GLAXOSMITHKLINE
8. HIKMA PHARMACEUTICALS PLC
9. JOHNSON & JOHNSON
10. LUPIN LTD.
11. PFIZER Inc.
12. PURDUE PHARMA L.P.
13. MERCK & CO. INC.
14. NOVARTIS
15. INSYS THERAPEUTICS Inc.