Merck is a pharmaceutical giant founded in Germany in 1668. It is one of the world's oldest and largest pharmaceutical companies, with operations in more than 140 countries. Searle is an American pharmaceutical company founded in 1888. It is now a subsidiary of Pfizer, and produces a wide range of products, including prescription drugs, over-the-counter medications, and nutritional supplements. Lilly is an American pharmaceutical company founded in 1876. It is one of the world's largest pharmaceutical companies, with products ranging from prescription drugs to animal health products. Eli Lilly and Company is an American pharmaceutical company founded in 1876. It is the world's 10th largest pharmaceutical company, with products ranging from diabetes treatments to cancer treatments.