), also known as Merck Sharp & Dohme or MSD outside the United States and Canada, is one of the largest pharmaceutical companies in the world. The headquarters of the company is located in Whitehouse Station, New Jersey, an unincorporated area in Readington Township. It was established in 1891 as the United States subsidiary of the German company now known as Merck KGaA. In common with many other German assets in the United States, Merck & Co. was confiscated in 1917 during World War I and set up as an independent company. It is currently one of the seven largest pharmaceutical companies in the world both by market capitalization and revenue.