With annual revenue of $51.6bn and an R&D expenditure of $6.6bn, this American multinational pharmaceutical company saw itself become research oriented following its discovery of the drug Terramycin.
It is known for several other pioneering drugs like Lipitor.Its acquisition of Wyeth made it one of the biggest pharma companies in the world. 3. Hoffmann-La Roche (Swiss):
With annual revenue of $50.3bn and an R&D expenditure of $9.3bn, this Swiss multinational healthcare company has one of the highest R&D spends.It owns several companies through acquisitions and aims to expand its presence in different areas through acquisitions in pharmaceutical and diagnostics. Pfizer employees 78000 people across the world.