Amgen Inc. is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California. Located in the Conejo Valley, Amgen is the worlds largest independent biotechnology firm. In 2013, the companys largest selling product lines were Neulasta/Neupogen, two closely related drugs used to prevent infections in patients undergoing cancer chemotherapy; and Enbrel, a tumor necrosis factor blocker used in the treatment of rheumatoid arthritis and other autoimmune diseases. Other products include Epogen, Aranesp, Sensipar/Mimpara, Nplate, Vectibix, Prolia and XGEVA.
Highest paying job titles at Amgen Inc include Medical Sales Specialist, Senior Scientist, and Process Development Scientist