Abgenix
Amgen Inc. (formerly Applied Molecular Genetics Inc.) is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California. One of the world's largest independent biotechnology companies, Amgen's Thousand Oaks staff in 2022 numbered approximately 5,000 (8.5% of total city employment) and included hundreds of scientists, making Amgen the largest employer in Ventura County. As of 2022, Amgen has approximately 24,000 staff in total.