Eli Lilly and Company, commonly known as Lilly, is a global pharmaceutical firm headquartered in Indianapolis, Indiana. They specialize in developing and manufacturing medications for various therapeutic areas, including diabetes, oncology, immunology, and neuroscience. Founded in 1876 by Colonel Eli Lilly, the company has a rich history of innovation, including the introduction of the first commercially available insulin. Lilly generates revenue primarily through the sale of prescription drugs and has a strong pipeline of new treatments under development.