AT&T was founded in the year 1983 and headquartered in Dallas, Texas.
AT&T, American Telephone and Telegraph Company, is the largest multinational telecommunications provider in the world followed by Verizon and China Mobile in terms of revenue. This company is one of the largest mobile and fixed line telephone provider in addition to broadband subscription television services through Wi-Fi, wireless LTE, satellite, and fiber optics and IP networks.
With an employee base of around 280000, this North American Service provider is the largest in Dallas and third largest in Texas. It was ranked 12th in Forbes 2000 Global Ranking of World’s Biggest company 2016, in terms of Revenue, Market value, Assets and Profits and 10th in Fortune 500 Ranking based on Revenue in 2016.
AT&T is the most preferred 3G services provider in more than 170 countries in addition to being voice and roaming services provider in more than 220 countries and has a subscriber base of around 129 million.
The company had a remarkable revenue of $146.8 billion in the financial year ending 2015, with an 11.2% increase over the previous, mainly due to the acquisition of DIRECTV, the California based leading digital television entertainment service provider in both United States and Latin America, in addition to their new wireless operations in Mexico and other gains.
The company operates in the four segments as follows: Business Solutions, Entertainment Group, Consumer Mobility and International Services. The Business Solutions segment deals with wireless services to general public, government and other businesses; Video, voice and Internet services by the Entertainment Group segment; The Consumer Mobility segment providing data, voice, roaming and wireless services. The International segment includes provision of both video and wireless data services internationally.
Revenue (in $ billions): 146.8
No. of subscribers (in millions): 128.64
The top 15 telecommunication companies in USA are considered for this and parameters like revenue, subscribers and ARPU are considered and given weights of 0.5, 0.3 and 0.2 respectively. After calculating the final score, the rank wise list is created.