The research activity began in the context of university research, in the laboratories of the University of Naples Federico II and of the University of Pavia, then taking a big step forward thanks to the interest and contribution of MATERIAS company, accelerator of startup, which helped ETESIAS with the initial idea to materialize in a patented prototype, the Vesuvius beam (Trave Vesuvio). The Vesuvius beam is a reinforced concrete beam, 4 meters long, whose shape recalls the Neapolitan volcano. Is characterized by mechanical performance equivalent to the traditional beam made following conventional techniques, with a reduction of weight of about 50%. Made without the use of formworks, the beam is assembled through a system that uses steel bars attached outside of prefabricated RC elements, for a quick and effective assembly process. The beam is installed in the laboratories the University of Naples Federico II in San Giovanni a Teduccio, where ETESIAS also has its Headquarters and its pilot plant, installed thanks to the ongoing collaboration between ETESIAS and Italcementi. ETESIAS recently obtained the status of academic spinoff from the University of Naples Federico II.