| TAIKI-SHA LTD |
| Technicak Research Institute, Hitachi Zosen Corporation. |
| Technical Development Group, KOBE STEEL,LTD. |
| Technical Research Center, The Chugoku Electric Power Co., Inc. |
| Technical Research Institute, TOHO GAS Co,.Ltd. |
| Technology and Engineering Center, Ajinomoto Co., Inc. |
| TEIJIN CO.,LTD |
| The Japan Steel Works,LTD. |
| The Tokyo Electric Power Company, Incorporated (TEPCO) |
| TODOROKI SANGYO Co.,Ltd. |
| Tokai Research Establishment, Japan Atomic Energy Research Institute （JAERI） |
| TOKAI RIKA CO.,LTD |
| TOKAI RUBBER INDUSTRIES LTD. |
| TOKO,INC. |
| TOKYO GAS Co.,Ltd. |
| TOKYO KEISO CO.,LTD. |
| TOKYO METROPOLITAN INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
| Tokyo Sokki Kenkyujo Co.,LTD |
| Toray Industries, Inc. |
| TOSHIBA CORPORATION |
| TOSHIBA IT & CONTROL SYSTEMS CORPORATION |
| TOSHIBA E&I CONTROL SYSTEMS INC. |
| TOSHIBA MACHINE CO.,LTD. |
| TOSHIBA MITSUBISHI ELCTRIC INDUSTRIAL SYSTEMS CORPORATION |
| TOSHIBA PLANT SYSTEMS & SERIVICES CORPORATION |
| Toyo Engineering Corporation |
| TOYODA MACHINE WORKS, LTD |
| TOYOTA BOSHOKU COPORATION |
| Toyota Central R&D Labs.,Inc. (TOYOTA CRDL.,Inc.) |
| TOYOTA MOTOR CORPORATION |
| TOYOTA TECHNICAL DEVELOPMENT CORPORATION |
| Tsukuba Fujikin Research Plant, Fujikin Incorporated |
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