NTT EAST 

• NTT EAST-TOKYO CORPORATION
• NTT EAST-KANAGAWA CORPORATION
• NTT EAST-CHIBA CORPORATION
• NTT EAST-SAITAMA CORPORATION
• NTT EAST-IBARAKI CORPORATION
• NTT EAST-TOCHIGI CORPORATION
• NTT EAST-GUNMA CORPORATION
• NTT EAST-YAMANASHI CORPORATION
• NTT EAST-NAGANO CORPORATION
• NTT EAST-NIIGATA CORPORATION
• NTT EAST-MIYAGI CORPORATION
• NTT EAST-FUKUSHIMA CORPORATION
• NTT EAST-IWATE CORPORATION
• NTT EAST-AOMORI CORPORATION
• NTT EAST-YAMAGATA CORPORATION
• NTT EAST-AKITA CORPORATION
• NTT EAST-HOKKAIDO CORPORATION
• NTT Solco Corporation
• NTT INFRASTRUCTURE NETWORK CORPORATION
• NTT-ME CORPORATION
• AIREC ENGINEERING CORPORATION
• NTT RENTAL ENGINEERING CO., LTD.
• NTT LEPERC
• NTT EAST PROPERTIES, INC.
• NTT CARD SOLUTION CORP.
• NTT DIRECTORY SERVICES CO.
• NTT SPORTS COMMUNITY CORPORATION
• NTT VIETNAM CORPORATION
• NTT EAST SOLUTIONS CORPORATION
• NTT TELECON CO.,LTD
• NTT MediaCross, Inc.
• NTT Broadband platform, Inc.
• NIPPON AIRPORT RADIO SERVICE CO., LTD.
• TelWel East Japan Corporation.
• ISS CO.LTD
• Nippon Telematique Inc.,
• NTT HOKKAIDO TELEMART CO., LTD.
• NTT-ME SERVICE CORPORATION
• LA CARTE Corporation.
• NTT Quaris Corporation
• Quaris Binding Corporation
• Quaris Forms Corporation
• TelWel Job Support Corporation
• Tel Wel East I.P.S Corporation
• TelWel Life Assist Corporation