The Cav. Roberto Trebino company has been highly specialised in bell making since 1824. Official supplier to the VATICAN, to the four Vatican basilicas, and to many parishes throughout Italy and the rest of the world, the company can furnish any kind of individual bell or set of bells, carillons, musical harmonies; castles or frames for bells built and shaped according to the bell cells; steel structures and bell-towers; various mechanical systems based on various systems of local sounds. The tower clock factory can build any kind of automatic, remote-controlled clock which ring every hour, half-hour and quarter-of-an-hour; external clock faces of all types, diameters and styles.
The very latest product in the field of church-bell electrification is the JUBILEUM computer: this unique, specially-designed computer controls and programmes the ringing of church bells according to the Roman and Ambrosian Calendars.