Question: what are the three biggest pharmaceutical companies in the world?
Answer: Pfizer — $51.75 billion. Roche — $50 billion. Novartis — $47.45 billion. Merck — $46.84 billion. GlaxoSmithKline — $43.54 billion. Johnson & Johnson — $42.1 billion. AbbVie — $33.27 billion. Sanofi — $27.77 billion.