Repligen is a life sciences company that develops and commercializes bioprocessing technologies and systems. Its business is comprised of four main franchises: filtration, chromatography, process analytics, and proteins. The company serves biopharmaceutical companies, contract development, and manufacturing organizations. Filtration franchise offers covering upstream and downstream technologies. Chromatography franchise includes a number of products used in downstream purification, development, manufacturing, and quality control of biological drugs. Process analytics provides he determination of protein concentration in filtration, chromatography formulation, and fill-finish applications. Proteins franchise offers cell culture growth factor products.