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NTT Research Inc.
NTT Innovation Institute, Inc. Diarsipkan 2019-11-11 di Wayback Machine.
NTT Disruption Diarsipkan 2020-10-22 di Wayback Machine.
NTT Group
| l b  Perusahaan Nikkei 225 di Jepang |
| --- | --- |
 7&i  Advantest  ÆON  AGC  Ajinomoto  Alps  ANA  Amada  Aozora Bank  Asahi Breweries  Asahi Kasei  Astellas  Bridgestone  Canon  Casio  Chiba Bank  Chiyoda  Chuden  Chugai  Citizen  Comsys  Concordia Financial  Credit Saison  Dai-ichi Life  Daiichi Sankyo  Daikin  Dainippon Screen  Dainippon Sumitomo Pharma  Daiwa House  Daiwa Securities  Denka  Denso  Dentsu  DNP  Dowa  Ebara  Eisai  Fanuc  Fast Retailing  Fuji Electric  Fujifilm  Fujikura  Fujitsu  Fukuoka Financial  Furukawa Group  Furukawa Electric  GS Yuasa  Heiwa Real Estate  Hino  Hitachi  Hitachi Construction Machinery  Hitz  Hokuetsu Paper  Honda  IHI  INPEX  Isetan-Mitsukoshi  Isuzu  Itochu  JFE  J. Front Retailing  JGC  JR Central  JR East  JR West  JSW  JT  JTEKT  JXTG  Kajima  KEPCO  Kao  Kawasaki  KDDI  Keio  Keisei  Kikkoman  Kirin  K Line  Kobelco  Komatsu  Konami  Konica Minolta  Kubota  Kuraray  Kyocera  Kyowa Hakko Kirin  Marubeni  Maruha Nichiro  Marui  Matsui Securities  Mazda  Meidensha  Meiji Holdings  MES  Minebea  Mitsubishi Chemical  Mitsubishi Corporation  Mitsubishi Electric  Mitsubishi Estate  Mitsubishi Heavy Industries  Mitsubishi Logistics  Mitsubishi Materials  Mitsubishi Motors  Mitsui & Co  Mitsui Chemicals  Mitsui Fudosan  Mitsui Kinzoku  Mitsumi Electric  Mizuho  MOL  MS&AD  MUFG  NEC  NEG  NGK  Nichirei  Nikon  Nippon Express  Nippon Kayaku  Nippon Light Metal  Nippon Ham  Nippon Paper Industries  Nippon Soda  Nippon Suisan  Nissan Motor Company  Nissan Chemical  Nisshin Seifun  Nisshin Steel  Nisshinbo  Nittobo  Nitto Denko  Sompo Japan Nipponkoa Holdings  Nomura  NSG  NSK  NSSMC  NTN  NTT  NTT Data  NTT Docomo  NYK  Obayashi  Odakyu  Oji Holdings Corporation  OKI  Okuma  Olympus  Osaka Gas  Pacific Metals  Panasonic  Pioneer  Resona  Ricoh  Sapporo Holdings  Secom  Sekisui House  Sharp  Shimz  Shin-Etsu  Shinsei Bank  Shionogi  Shiseido  Shizuoka Bank  Showa Denko  Showa Shell  SKY Perfect JSAT  SoftBank  Sojitz  Sony Corporation  Sony Financial  Subaru Corporation  SUMCO  Sumitomo Chemical  Sumitomo Corporation  Sumitomo Electric  Sumitomo Heavy Industries  Sumitomo Metal Mining  Sumitomo Mitsui Financial  Sumitomo Mitsui Trust  Sumitomo Osaka Cement  Sumitomo Realty  Suzuki  T&D  Taiheiyo Cement  Taisei  Taiyo Yuden  Takara  Takashimaya  Takeda  TDK  Teijin  TEPCO  Terumo  Tobu  Toho  Toho Zinc  Tokai Carbon  Tokuyama Corporation  Toyo Seikan  Tokio Marine  Tokyo Dome  Tokyo Electron  Tokyo Gas  Tokyo Tatemono  Tokyu  Tokyu Land  Toppan  Toray  Toshiba  Tosoh  Toto  Toyobo  Toyota  Toyota Tsusho  Trend Micro  Ube  Unitika  Uny  Yahoo! Japan  Yamaha  Yamato Transport  Yasakawa  Yokogawa Electric  Yokohama Rubber 
| l b  Perusahaan TOPIX 100 di Jepang |
| --- | --- |
30 Inti:  7&i  Astellas  Canon  Denso  FANUC  Hitachi  Honda  JR East  JT  KDDI  Komatsu  Mitsubishi Corporation  Mitsubishi Estate  Mitsui & Co.  Mitsui Fudosan  Mizuho  MUFG  Nissan  Nomura  NSSMC  NTT  NTT DoCoMo  Panasonic  Shin-Etsu  SoftBank  Sony  Sumitomo Mitsui Financial  Takeda  Tokio Marine  Toyota 
70 Besar:  ÆON  Ajinomoto  ANA  Asahi Breweries  AGC  Asahi Kasei  Bank of Yokohama  Bridgestone  Chubu Electric Power  Dai-ichi Life  Daiichi Sankyo  Daikin  Daito Trust Construction  Daiwa House  Daiwa Securities  DNP  Eisai  Fast Retailing  Fujifilm  Fuji Heavy Industries  Fujitsu  Hoya  INPEX  Isuzu  Itochu  JGC  JR Central  JR West  JFE  JXTG  Kao  KEPCO  Keyence  Kirin  Kubota  Kyocera  Marubeni  Mitsubishi Chemical  Mitsubishi Electric  Mitsubishi Heavy Industries  MS&AD  Murata  Nidec  Nikon  Nintendo  Nitto Denko  NKSJ  Oriental Land  Orix  Osaka Gas  Otsuka Pharmaceutical  Resona  Ricoh  Secom  Sekisui House  Shiseido  SMC  Sumitomo Corporation  Sumitomo Electric  Sumitomo Metal Mining  Sumitomo Mitsui Trust  Sumitomo Realty & Development  Suzuki  T&D Holdings  Tokyo Electron  Tokyo Gas  Toray  Toshiba  Unicharm  Yamato Transport 
NTT didirikan sebagai badan usaha milik pemerintah pada tahun 1952.
NTT roundel logo digunakan antara tahun 1952 dan 1985. Versi yang sangat dimodifikasi dari logo ini masih digunakan oleh Otoritas Informasi Geospasial Jepang untuk menandai struktur telekomunikasi di peta mereka.