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
TBC Corporation Tire Wholesale (NTW). TBC markets on a wholesale basis to regional tire chains and distributors serving independent tire dealers throughout the United States, Canada, and Mexico. Through distribution centers, the company also markets directly to independent tire dealers across the United States. NTW sells a wide variety of proprietary and national brands from 50 distribution centers. TBC owns a number of industry brands, including: TBC Corporation TBC Corporation (TBC) is an American corporation and marketer of automotive replacement tires. In 1956, a purchasing group of tire retailers formed Cordovan Associates. The Company changed its name to Tire & Battery Corporation