1. Acura Pharmaceuticals Inc
2. Allergan Plc
3. Biodelivery Sciences International Inc
4. Cipher Pharmaceuticals Inc
5. Collegium Pharmaceutical Inc
6. Daiichi Sankyo Inc
7. Egalet Corp
8. Hikma Pharmaceuticals Plc
9. Indivior Inc
10. Janssen Pharmaceuticals Inc
11. Johnson & Johnson
12. Lannett Co. Inc
13. Lupin Ltd
14. Mylan Nv
15. Pfizer Inc
16. Purdue Pharma Lp
17. Sanofi-Aventis S.A
18. Sun Pharmaceutical Industries Limited (Sun Pharma)
19. Teva Pharmaceutical Industries Ltd