One of India's top drug makers, Dr. Reddy's Laboratories develops and manufactures branded and unbranded generic drugs and bulk pharmaceutical ingredients. Its stable of products includes ulcer medicines (branded product Omez is a leading seller), antibiotics, antidepressants (generic version of Eli Lilly's Prozac), pain relievers, diabetes treatments, and cardiovascular drugs. Dr. Reddy's Laboratories also makes generic biotech products. Its custom pharmaceutical services unit provides contract discovery, development, and manufacturing services to other drug makers. The firm sells its products in more than 100 countries through direct sales entities and third-party distribution partners.