The principal businesses of Nippon Telegraph and Telephone Corporation (NTT) and its affiliates (NTT Group) cover regional communications services, long-distance and international communications services, mobile communications services, and data communications services.
The business of the consolidated subsidiaries of NTT and their respective positions in the NTT Group are as follows:
NTT DoCoMo, Inc. (NTT DoCoMo) and NTT DATA Corporation (NTT DATA), two consolidated subsidiaries of NTT, are listed on the First Section of the Tokyo Stock Exchange.
(1) Regional Communications Businesses
The principal elements in these businesses are intra-prefectural communications services and related ancillary services pertaining to domestic communications services.
The consolidated subsidiaries in the regional communications businesses are NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION (NTT East), NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION (NTT West), Plala Networks Inc., NTT VIETNAM CORPORATION, NTT Finance (U.K.) Limited., NTT DIRECTORY SERVICES Co., NTT INFRASTRUCTURE NETWORK CORPORATION, NTT MARKETING ACT CORPORATION, NTT NEOMEIT CORPORATION, NTT BUSINESS INFORMATION SERVICE, INC, AIREC ENGINEERING CORPORATION, NTT NEOMEIT KANSAI CORPORATION, NTT-ME CORPORATION, NTT CARD SOLUTION Inc., NTT Solco Corporation, NTT-ME TOKYO CORPORATION, NTT SERVICE TOKYO CORPORATION, NTT MARKETING ACT KANSAI CORPORATION, NTT HOKKAIDO TELEMART CORPORATION, and 105 other companies.
(2) Long-Distance and International Communications Businesses
The principal elements in these businesses are inter-prefectural communications services, international communications services, and related ancillary services pertaining to inter-prefectural communications services and international communications services.
The consolidated subsidiaries in the long-distance and international communications businesses are NTT COMMUNICATIONS CORPORATION(NTT Communications), NTT USA, Inc., Verio Inc., NTT America, Inc., NTT Europe Limited, NTT AUSTRALIA PTY. LTD., NTT AUSTRALIA IP PTY. LTD., NTT INVESTMENT SINGAPORE PTE. LTD., HKNet Company Limited, NTT MSC SDN BHD, NTT PC Communications Incorporated, NTT COM ASIA LIMITED, NTT SINGAPORE PTE. LTD., Milletechno, Inc., NTT WORLD ENGINEERING MARINE CORPORATION, NTT Taiwan Ltd., NTT KOREA Co., Ltd., PT. NTT Indonesia, DREAM NET Corporation, NTT NaviSpace Corporation, and 26 other companies.
(3) Mobile Communications Businesses
The principal elements in these businesses are mobile telephone services, PHS services, quickcast businesses (formerly, pager services), and related ancillary services.
The consolidated subsidiaries in the mobile communications businesses are NTT DoCoMo, Inc., NTT DoCoMo Hokkaido, Inc., NTT DoCoMo Tohoku, Inc., NTT DoCoMo Tokai, Inc., NTT DoCoMo Hokuriku, Inc., NTT DoCoMo Kansai, Inc., NTT DoCoMo Chugoku, Inc., NTT DoCoMo Shikoku, Inc., NTT DoCoMo Kyushu, Inc., DoCoMo Service Inc., DoCoMo Engineering Inc., DoCoMo Mobile Inc., DoCoMo Support Inc., DoCoMo Systems, Inc., DoCoMo Sentsu, Inc., DoCoMo Technology, Inc., and 48 other companies.
(4) Data Communications Businesses
The principal elements in these businesses are systems integration services and network system services.
The consolidated subsidiaries in the data communications businesses are NTT DATA CORPORATION, NTT DATA SYSTEM TECHNOLOGIES INC., NTT DATA SYSTEM SERVICE CORPORATION, NTT DATA FINANCIAL CORPORATION, NTT DATA TOKYO SMS CORPORATION, and 37 other companies.
(5) Other Businesses
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Other consolidated subsidiaries of NTT are NTT URBAN DEVELOPMENT CORPORATION, NTT COMWARE CORPORATION, NTT Resonant Inc., NTT FACILITIES, INC., NTT Electronics Corporation, NTT BUSINESS ASSOCIE Corporation, NTT LEASING CO., LTD., NTT ADVANCED TECHNOLOGY CORPORATION, NTT LOGISCO Inc., NTT INTERNET INC., NTT Software Corporation, NTT ADVERTISING, INC., NTT FINANCE JAPAN CO., LTD., NTT BUSINESS ASSOCIE TOKYO Co. Ltd., and 83 other companies.
1. NTT URBAN DEVELOPMENT CORPORATION was listed on the First Section of the Tokyo Stock Exchange on November 4, 2004.
2. NTT AUSTRALIA PTY. LTD. signed an agreement on October 25, 2004, to sell all of its shares of NTT AUSTRALIA IP PTY. LTD.
Group organizational chart appears on the following page.