At Merck, we're following the science to tackle some of the world's greatest health threats. Get a glimpse of how we work to improve lives.

Merck & Co., Inc. is an American multinational pharmaceutical company headquartered in Rahway, New Jersey, and is named for Merck Group, founded in Germany in 1668, of which it was once the American arm.

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We aspire to be the premier research-intensive biopharmaceutical company. We’re at the forefront of research to deliver innovative health solutions that advance the prevention and treatment of diseases in people and animals.

Merck & Co., Inc., Rahway, NJ, USA is known as MSD outside of the United States and Canada.

The Merck Group, branded and commonly known as Merck, is a German multinational science and technology company headquartered in Darmstadt, with about 60,000 employees and a presence in 66 countries. The group includes around 250 companies; the main company is Merck KGaA in Germany.

Dec 31, 2023 · At MSD, known as Merck & Co., Inc., Rahway, NJ, USA in the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the world.

As a vibrant science and technology company, we believe in science as a force for good. We uniquely combine three specialized, innovation-driven businesses: Life Science, Healthcare, and Electronics.

Merck & Co., Inc. Rahway, NJ U.S. was founded on January 1, 1891. George Merck, age 23, established the company in the U.S. to distribute fine chemicals throughout New York City and the neighbouring areas.