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
American Outdoor Brands Corporation in 2016. The name change took effect on the first business day of 2017. The change occurred at a time when the firearms industry was receiving backlash over gun violence in America, and so was also seen as an attempt to disassociate itself from the negative repercussions surrounding the issue. In 2017, firearms accounted for 86% of AOBC's revenues, and the company shipped 420,000 long guns. American Outdoor Brands also owns Battenfeld Technologies, Taylor Brands (a knife and tool maker bought in August 2016 for $95 million), and Crimson Trace (an electro-optics business which it bought in August 2016 for