With annual revenue of $44bn and an R&D expenditure of $7.5bn, this American multinational pharmaceutical company has produced several pioneering drugs including Gardasil, the cervical cancer vaccine.
It spends heavily on R&D and acquisitions.
It has 70000 employees across world. Its main businesses include pharmaceuticals, vaccines and animal health. It spends $6.5 billion on Research and development. It is based in New Jersey. It dates back to 1891. Merck has got approval of many new drugs more than other companies.