Top 20 Pharmaceutical Companies in the world

The  Top 20 Pharmaceutical Companies, based on pharmaceutical revenues
1. Pfizer (USA)
2. GlaxoSmithKline (UK)

3. Sanofi-Aventis (France)
4. Johnson & Johnson (USA)
5. Merck & Co. (USA)
6. AstraZenexa (UK-Sweden)
7. Novartis (Switzerland)
8. Bristol-Myers Squibb (USA)
9. Roche (Switzerland)
10. Eli Lilly& Co. (USA)
11. Wyeth (USA)
12. Abbott Laboratories (USA)
13. Takeda (Japan)
14. Boehringer-Ingelheim (Germany)
15. Schering-Plough (USA)
16. Bayer (Germany)
17. Novo Nordisk (Denmark)
18. Schering AG (Germany)
19. Sankyo Co. (Japan)
20. Merck KGaA (Germany)