Roche is a leading pharmaceuticals and diagnostics company. The company majorly operates in two business segments—Pharmaceuticals and Diagnostics. Under its Pharmaceuticals segment, Roche provides a wide range of products for therapeutic areas such as oncology, immunology, infectious diseases, ophthalmology, and neuroscience. The Diagnostics segment is further categorized into professional diagnostics, diabetes care, molecular diagnostics, tissue diagnostics, and applied science.