1. F. Hoffmann-La Roche Ltd.
2. Novartis AG
3. Merck & Co. Inc.
4. Pfizer Inc.
5. Eli Lilly and Co. (Lilly)
6. Sanofi S.A
7. AstraZeneca inc.
8. Bayer AG
9. Regeneron Pharmaceuticals Inc.
10. GSK Plc.