Founded in 1947, Officine Maraldi Bertinoro S.p.A. has made its name in the world serving the foremost plant developers with customized products such as pressure spheres, reactors, refining columns as well as low-temperature and cryogenic storage tanks. By combining large volumes with absolute precision, Maraldi has achieved an international reputation as one of the top suppliers of pressure storage spheres which have been installed in more than 300 petrochemical plants around the world. In 2019 the group of companies Tosto Group acquired the experience and expertise, the brand and the references of the Maraldi legacy and employed key personnel from Officine Maraldi Bertinoro.