Business: Repligen Corporation is a life sciences company focused on the development and commercialization of high-value consumable products used in the process of manufacturing biological drugs. Their bioprocessing products are sold to major life sciences and biopharmaceutical companies worldwide. They are the leading manufacturer of Protein A affinity ligands, a critical component of Protein A media that is used to separate and purify monoclonal antibody therapeutics. Their ATF (Alternating Tangential Flow) System and their growth factor products are used to increase product yield during the fermentation stage of biologic drug manufacturing. In addition, they developed and market an innovative line of "ready-to-use" chromatography columns under their OPUS brand (Open-Platform User-Specified) that they deliver prepacked with their customers’ choice of purification media. Repligen’s corporate headquarters are in Waltham, MA and their manufacturing facilities are located in Waltham, MA and Lund, Sweden.