5 Biggest Neuroscience Companies in the World

4. Pfizer Inc. (NYSE:PFE)

Market Cap as of January 07, 2023: $284.93 billion

Headquartered in New York, United States, Pfizer Inc. (NYSE:PFE) is an American multinational biotechnology and pharmaceutical firm. It is among the world’s largest pharmaceutical companies that offer medicines, medical devices, vaccines, and consumer healthcare products for inflammation, oncology, cardiovascular, and other therapeutic areas. The neurology segment of the company focuses on diseases like multiple sclerosis, transthyretin amyloidosis (ATTR), and other neurological disorders.