Answer: GlaxoSmithKline plc
GlaxoSmithKline plc is a British pharmaceutical, biological, and healthcare company. GSK is the world's fourth largest pharmaceutical company after Roche, Pfizer and Johnson & Johnson, by revenue; and a research-based company with a wide portfolio of pharmaceutical products covering anti-infectives, central nervous system, respiratory, gastro-intestinal/metabolic, oncology, and vaccines products. It also has a Consumer Healthcare operation comprising leading oral healthcare products, nutritional drinks, and over the counter medicines.
