Company fact sheet




We are called MSD everywhere outside of the U.S. and Canada. In the U.S. and Canada, we are known as Merck & Co., Inc., Kenilworth, N.J., USA. The company is listed on the New York Stock Exchange under the symbol “MRK.”


For more than 130 years, MSD has been inventing for life, bringing forward medicines and vaccines for many of the world’s most challenging diseases in pursuit of our mission to save and improve lives. We demonstrate our commitment to patients and population health by increasing access to health care through far-reaching policies, programs and partnerships. 

Today, we continue to be at the forefront of research to prevent and treat diseases that threaten people and animals – including cancer, infectious diseases, such as HIV and Ebola, and emerging animal diseases.


Approximately 74,000 (as of Dec. 31, 2020)


Kenilworth, New Jersey, USA


Animal Health

2020 Revenue

$48.0 billion

2020 Revenues

(by geographic area, including pharmaceutical and animal health revenue)

$21.0 BUnited States
$13.6 BEurope, Middle East and Africa
$ 3.6 BChina
$ 3.4 BJapan
$ 2.9 BAsia Pacific (other than Japan and China)
$ 2.3 BLatin America
$ 1.2 BOther

2020 R&D expenses

$13.6 billion


MSD is a global health care company that delivers innovative health solutions through its prescription medicines, vaccines, biologic therapies, and animal health products.


MSD has a robust pipeline, with a wide range of product candidates across each phase of development.

View the pipeline

Senior leadership

Robert M. Davis, chief executive officer and president

View the list of executive committee members