Telecom Italia is the largest Italian telecommunications company, also active in the media and manufacturingindustries. Now a private concern listed on the Borsa Italiana, it was founded in 1994 by the merger of several state-owned telecommunications companies, the most important of which was Società Italiana per l'Esercizio Telefonico p.A. (known as SIP from the earlier Società Idroelettrica Piemontese), the state monopoly telephone operator in Italy.
The company operates landline telephone services in Italy, GSM mobile phone services in Italy and Brazil through itsTIM subsidiary, and DSL internet and telephony services under the brand Alice in Italy and San Marino. It also owns a stake in Telecom Argentina. Internationally, Telecom Italia is present in professional telecom services for other operators or corporations through TI Sparkle. Diversified, Telecom Italia also controls one of the main Italian television companies, Telecom Italia Media, and owns Olivetti, the manufacturer of computer peripherals and other hardware.
It operates through five segments: Domestic; Brazil; Argentina; Media, and Olivetti. The Domestic segment provides telephone and data services on fixed line and mobile networks for retail voice customers and wholesale operators. The Brazil segment operates through Tim Brasil group which offers mobile services using Universal Mobile Telecommunications System (UMTS), Global System for Mobile Communications (GSM) and Time Division Multiple Access (TDMA). The Argentina segment provides international telephone long-distance service, data transmission and Information Technology (IT) solutions outsourcing. The Media segment operates in the Telecom Italia Media, MTV group and Network Operator business. The Olivetti segment comprises the sale of office equipment, including digital printing systems, among others.