Lewis Hastings Sarett was a research scientist at one of the largest what, in the world?
Merck &amp; Co. Merck & Co., Inc. (), d.b.a. Merck Sharp & Dohme (MSD) outside the United States and Canada, is an American pharmaceutical company and one of the largest pharmaceutical companies in the world.
Pakistan Steel Mills Headquartered in Karachi, Sindh Province of Pakistan, the PSM is the current largest industrial mega-corporation having a production capacity of 1.1—5.0 million tonnes of steel and iron foundries. Built with the contributions of the Soviet Union in the 1970s, it is the largest industrial mega-corporation complex, vastly expanded in an enormous dimensions construction inputs, involving the use of 1.29Mn cubic meters of concrete; 5.70Mn cubic meters of earth work; and contains ~330,000 tonnes of heavy machinery, steel structures and electrical equipments.