Roche Applied Science is one of the five business units of Roche, the world's leading health company, and one of the leading suppliers of reagents and systems for diagnostic and pharmaceutical biotechnology companies. Roche is one of the leading reagent and systems suppliers in its field, providing high performance and quality reagents and systems to diagnostic and pharmaceutical biotechnology companies. The division's business covers a variety of life science areas including biology, biotechnology, and medical research; its products and services cover every process from research design, sample preparation, sample processing, to sample analysis and testing for life science research.