1. Teva Pharmaceuticals USA
2. Merck & Co. Inc.
3. Pfizer Inc.
4. Lupin Pharmaceuticals Inc.
5. Glenmark Pharmaceuticals Inc.
6. GlaxoSmithKline Plc
7. Novartis Inc.
8. Eli Lilly and Company
9. AbbVie Inc.
10. Sanofi-Aventis U.S. LLC