Nippon Telegraph and Telephone

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Nippon Telegraph and Telephone
NTT Group Logo
Type Public (NYSE: NTT)
Founded 1985
Headquarters Tokyo, Japan
Key people Norio Wada CEO
Industry Telecommunications
Revenue $89.1 billion USD (2005)
Operating income $10.6 billion USD (2005)
Net income $6.2 billion USD (2005)
Employees 201,500 (consolidated) (2005)
Subsidiaries Nippon Telegraph and Telephone East Corporation
Nippon Telegraph and Telephone West Corporation
NTT Communications Corporation
NTT Data Corporation
NTT DoCoMo, Inc.
Website www.ntt.co.jp

Nippon Telegraph and Telephone Corporation (日本電信電話株式会社 Nippon Denshin Denwa Kabushiki-kaisha?) (TYO: 9432 , NYSE: NTT), or NTT, is a telephone company that dominates the telecommunication market in Japan. Once established as a monopoly public corporation, the company was privatized in 1985 to encourage competition in the telecom market. The company has been regulated by the NTT Law. Because NTT owns most of last mile, it is an oligopolistic company about land line. In order to weaken NTT, the company was divided into a holding company (NTT) and three telecom companies (East, West, and Communications) in 1998. The NTT Law regulate NTT East and West to serve only short distance communications, and obligate them to maintain telephone service all over the country. NTT Communications is not regulated by the NTT Law.

As a group corporation, it consists of the following major companies:

  • AutoWeb Communication Inc
  • HKNet
  • Nippon Telegraph & Telephone East
  • Nippon Telegraph & Telephone West
  • NTT Communications Corp (NTT Com)
  • NTT Communicationware Corp
  • NTT Comware Corp
  • NTT Data Corp
  • NTT DoCoMo Inc
  • NTT Facilities Inc
  • NTT Finance Japan Co Ltd
  • NTT Leasing Co Ltd
  • NTT Worldwide Telecommunications Corp
  • Verio Inc
  • NTT America, Inc.
  • NTT Europe Ltd

NTT East, NTT West, NTT Communications, NTT DoCoMo, and NTT Data are most major subsidiaries. NTT DoCoMo and NTT Data are listed on the stock markets.

Japanese Minister of Finance (Japanese government) : 33.7%


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