Founded in 1980, Amgen is one of the leading companies in the biotechnology industry. The company discovers, develops, manufactures and delivers human therapeutic products. It provides therapeutic services to treat a range of illnesses that includes cancers, kidney diseases and rheumatoid arthritis. Amgen also offers services to treat autoimmune diseases, such as psoriatic arthritis and ankylosing spondylitis. The company works with a team of more than 17,500 staff members. It is affiliated with Biotechnology industry Organization, Healthcare Leadership Council and Pharmaceutical Research manufacturers of America. Amgen conducts research programs related to inflammation, metabolism disorders, osteoporosis, neuroscience, oncology and hematology. Headquartered in Thousand Oaks, Calif., it maintains a location in West Greenwich, R.I.