Cephalon
Cephalon, Inc. is a U.S. biopharmaceutical company co-founded in 1987 by Dr. Frank Baldino, Jr., a pharmacologist and former scientist with the DuPont Company, who continues to serve as its chairman and chief executive officer. The company's name comes from the adjective "cephalic" meaning "related to the head or brain," and it was established primarily to pursue treatments for neurodegenerative diseases.
Pfizer
Pfizer Incorporated is a pharmaceutical company, ranking number one in sales in the world. The company is based in New York City, with its research headquarters in Groton, Connecticut. It produces Lipitor (atorvastatin, used to lower blood cholesterol); the neuropathic pain/fibromyalgia drug Lyrica (pregabalin); the oral antifungal medication Diflucan (fluconazole), the antibiotic Zithromax (azithromycin), Viagra (sildenafil) for erectile dysfunction, and the anti-inflammatory Celebrex (celecoxib) (also known as Celebra in some countries outside the USA and Canada, mainly in South America).
GlaxoSmithKline (GSK)
GSK is the world's second largest pharmaceutical company, by employees; and a research-based company with a wide portfolio of pharmaceutical products covering anti-infectives, central nervous system, respiratory, gastro-intestinal/metabolic, oncology, and vaccines products. It also has a Consumer Healthcare operation comprising leading oral healthcare products, nutritional drinks, and over the counter medicines.
Novartis
Novartis is one of the largest healthcare companies in the world and a leading giant among pharmaceutical companies. Novartis manufactures drugs such as clozapine (Clozaril), diclofenac (Voltaren), carbamazepine (Tegretol), valsartan (Diovan), imatinib mesylate (Gleevec / Glivec), ciclosporin (Neoral / Sandimmun), letrozole (Femara), methylphenidate (Ritalin), terbinafine (Lamisil), and others.