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LLY: discovers, develops, manufactures and sells products in one business segment, pharmaceutical products. The Company also has an animal health business segment. It manufactures and distributes its products through owned or leased facilities in the United States, Puerto Rico and 25 other countries. Eli Lilly and Company's products are sold in approximately 135 countries. The Company also conducts research to find products to treat diseases in animals and to increase the efficiency of animal food production. Its principal products include Neurosciences products, Endocrinology products, Oncology products, Cardiovascular products, Animal health products and Other pharmaceuticals.

BMY: is engaged in the discovery, development, licensing, manufacturing, marketing, distribution and sale of pharmaceutical and nutritional products. The Company had two segments: Pharmaceuticals and Nutritionals. The Pharmaceuticals segment is made up of the global pharmaceutical and international consumer medicines business. The Nutritionals segment consists of Mead Johnson Nutritionals (Mead Johnson), primarily an infant formula and children's nutritionals business.

GSK: is a global healthcare group, which is engaged in the creation and discovery, development, manufacture and marketing of pharmaceutical products, including vaccines, over-the-counter (OTC) medicines and health-related consumer products. GSK's principal pharmaceutical products include medicines in the therapeutic areas, such as respiratory, central nervous system, anti-virals, anti-bacterials, metabolic, vaccines, cardiovascular and urogenital, oncology and emesis. It has operations in some 114 countries and products sold in over 150 countries. The Company operates in two segments: Pharmaceuticals (prescription pharmaceuticals and vaccines) and Consumer Healthcare.