|Headquarters:||Thousand Oaks, CA|
Amgen Inc. is an international biotechnology company headquartered in Thousand Oaks, California. Located in the Conejo Valley, Amgen is the world's largest independent biotech firm and is one of the most prestigious in the industry. The company employs approximately 17,000 staff members. Its products include Epogen, Aranesp, Enbrel, Kineret, Neulasta, Neupogen, Sensipar / Mimpara, Nplate, and Prolia.