Amgen Inc. is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California. One of the world's largest independent biotechnology companies, Amgen was established in Thousand Oaks, California, in 1980. Amgen's Thousand Oaks staff in 2017 numbered 5,125 and included hundreds of scientists, making Amgen the largest employer in Ventura County. Focused on molecular biology and biochemistry, its goal is to provide a healthcare business based on recombinant DNA technology.
