O2 (UK) O2 (UK) Telefónica UK Limited (trading as O2 – stylised as O) is a telecommunications services provider in the United Kingdom, owned by the Spanish multinational Telefónica, and is headquartered in Slough. With 25 million subscribers (as of December 2017), O2 is the second-largest mobile network operator in the United Kingdom after EE, with Vodafone in third place. O2 was formed in 1985 as Cellnet, a 60:40 joint venture between BT Group and Securicor. In 1999, BT Group acquired Securicor's share of Cellnet and the company was later rebranded as BT Cellnet. In June 2000, BT Cellnet launched the world's
Ministry of Communications and Information Technology (India) of the Ministry of Communications and Information Technology. Following is the list of Ministers of Communications. Ministry of Communications and Information Technology (India) The Ministry of Communication and Information Technology was an Indian government ministry. It was bifurcated into Ministry of Communications and Ministry of Electronics and Information Technology in July 2016. It contained three departments viz. Department of Telecommunications, Department of Electronics and Information Technology (DeitY) and Department of Posts. The following cadre controlling authority of the Civil Services (including Indian Telecommunication Service, Indian Postal Service, Indian Radio Regulatory Service, Telegraph Traffic Service, Indian Post & Telegraph Building Works