日本電信電話
The holding company Nippon Telegraph and Telephone Corporation (called NTT) is one of the major players in the Japanese telecommunication industry, which was founded in 1952. Initially the mother company operated as a public telecom provider in the country, however, the corporation has developed their innovation strategy and has expanded its services and network management today. As of March 31, 2020, 319,050 people work for NTT Group as a whole, and consolidated operating revenues and that of income are ¥11,899.4 billion and ¥1,562.2 billion respectively. Nippon Telegraph and Telephone group currently contains multiple corporations and these are operated in different kind of technological fields in order to meet their customer demands: