O2 (UK) they can do it too" in reference to Vodafone and EE, O2's biggest competitors and the UK's top three mobile-telecoms companies. 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
Korea Tobacco & Ginseng Corporation Korea Tobacco & Ginseng Corporation KT&G (originally "Korea Tobacco & Ginseng" and later "Korea Tomorrow & Global Corporation", Korean : 한국담배인삼공사, Hanguk Dambae Insam Gongsa, ) is the leading tobacco company in South Korea with annual sales over $4 billion USD. KT&G was originally a government-owned monopoly but was privatized and today is publicly traded, competing for market share with other international tobacco firms such as Philip Morris International, British American Tobacco, and Japan Tobacco. KT&G’s sales volume share was 62% of the Korean market in 2009. KT&G produces popular Korean cigarette brands such as: The One, Indigo, Arirang, This,