Itelyum Purification is a leading provider of purification services for pharmaceutical, fine-chemical and petrochemical companies. It was founded in 1981 as Bitolea and has grown over the years, developing expertise in solvents and chemicals production, purification and handling. It offers a range of purification services, including the recovery and purification of organic solvents as well as chemical and pharmaceutical synthesis. It uses advanced technology to support its clients. It has a production plant in Landriano and a packaging site in Rho, both of which are specialized in the production, trading and distribution of solvents.