Amgen - WikipediaAmgen Inc. (formerly Applied Molecular Genetics Inc.) is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California.[3][4] One of the world's largest independent biotechnology companies, Amgen's Thousand Oaks staff in 2022 numbered approximately 5,000[5] (8.5% of total city employment)[6] and included hundreds of scientists, making Amgen the largest employer in
