Avio’s Colleferro site in Lazio, Italy, is a private propulsion and launcher manufacturing facility. Avio’s current locations page identifies Colleferro as its main site for research, development and manufacture of solid- and liquid-propellant engines for launchers, tactical missiles and propulsion systems, as well as development of new space launchers. Avio’s current business page confirms launcher production and integration, solid and liquid propulsion systems and payload adapters. An independent mapped factory footprint is named Avio at km 5,2 on Via Latina and carries rocket, spacecraft-propulsion and payload-adapter product tags. The reviewed sources do not establish general visitor access, so contact Avio before planning a visit.