Galapagos has formed its own archipelago of drugs to treat bone and joint ailments and other diseases. The company uses its proprietary genomic drug-discovery technology to develop medicines to treat rheumatoid arthritis, osteoarthritis, and osteoporosis. Galapagos' pharma services subsidiaryBioFocus DPI offers collaborative drug-discovery services to other pharmaceutical companies. Its drug discovery division works with partners to find, test, and market new drugs. The company's pharmaceutical collaborators include top drugmakers GlaxoSmithKline, Eli Lilly, Merck, and Janssen Pharmaceutica, part of Johnson & Johnson. Galapagos has about 40 projects in its R&D pipeline, most of them through these partnerships.