In 2016, the leading telecommunications operator worldwide was the American company AT&T with sales of almost 148.1 billion euro. The second largest operator was the American company Verizon with 113.9 billion euro in sales.
Biggest global telecommunication operators - additional information
Founded in 1952, Nippon Telegraph and Telephone, commonly known as NTT, is a Japanese telecommunications operator headquartered in Tokyo. NTT had almost 220,000 employees as of March 2012 and is partly owned by the Japanese government, which holds roughly a third of the company’s shares.
