CenterTelecom

CenterTelecom (Open Joint-Stock Company Central Telecommunication Company, ) was a fixed-wire telecommunications service provider and Internet service provider in Russia. It was ranked 5th among Russian telecom companies, after Rostelecom, MTS, Vympelcom and MegaFon. 50.69% of Centertelecom's voting stock was held by the Svyazinvest Holding Company. CenterTelecom was listed on the MICEX and RTS stock exchanges under the symbol ESMO.
History.
The company was established in the late 19th century when the Moscow postal telegraph district was initiated.
From 1922–1926, the Post and Telegraph Offices Division under the Moscow Soviet was reorganized as the Communication Department of Moscow District. In the USSR, the system of communication institutions was repeatedly reformed. 
The company steadily grew as equipment and technologies were upgraded, up-to-date communication systems were introduced, and the communication network was modernized to meet the demands of the country's national economy, population and defense.
On 20 June 1994, the Open Joint-Stock Company Elektrosvyaz of Moscow region was established, and in 2001 the company was named OJSC CenterTelecom.
In 2002, 17 regional telecommunication companies merged into CenterTelecom, consolidated on the base of the Moscow region operator. On 1 April 2011, the company merged with Rostelecom.
Operations.
The company had following branches: