| Akita Fine Blanking Corporation |
| Applied Metal R&D Co. |
| ATOX Co., Ltd. |
| Azbil Corporation |
| AZUSA SEKKEI CO., LTD. |
| Canon Inc. |
| Carbon dioxied Reduction Institute Inc. |
Central Japan Railway Company
(JR Central) |
| CITIZEN WATCH CO.,LTD |
| COSMOTEC Corporation |
| DIA CONSULTANTS CO., Ltd. |
Electric Power Development Co., Ltd
(J-POWER) |
| Fujikura Ltd. |
| FUJITA Corporation TOHOKU |
| Fujitsu Limited |
| Fukken Co., Ltd. |
| Fukuyama consultants Co., LTD. |
| GIGA Inc. |
| GIGAPHOTON INC. |
| HAZAMA ANDO CORPORATION |
| Higashi-nihon kidenkaihatsu Co., LTD. |
| Hitachi Power Solutions Co., Ltd. |
| Hitachi Technologies and Services, Ltd. |
| Hitachi Transport System,Ltd. |
| HITACHI ZOSEN CORPORATION |
| Hitachi, Ltd. |
| IBM Japan, Ltd. |
| Iwatani Corporation |
| JFE Steel Corporation |
| JP Design Co., Ltd. |
| KABUKI CONSTRUCTION CO., LTD. |
| Kajima Corporation |
| KANDENKO CO., LTD. |
| KASHIYAMA INDUSTRIES, LTD. |
| Kawasaki Geological Engineering Co., Ltd. |
| Kinden Corporatin |
| Kumagai Gumi Co., Ltd. |
| KURARAY CO., LTD. |
| Kuroki Kogyo Co. Ltd. |
| k-vac Co.,Ltd |
| Kyocera Corporation |
| KYUSHU ELECTRIC POWER CO. INC |
| Luci Co.,Ltd |
| Maeda Corporation |
| MARUI GALVANIZING Co.,LTD |
| Mayekawa Mfg. Co., Ltd. |
| Meidensha Corporation |
| Metal Technology Co.Ltd |
| MIRAPRO Co., Ltd. |
| Mitsubishi Electric Corporation |
Mitsubishi Electric System & Service
Co., Ltd. |
| Mitsubishi Electric Tokki Systems Corporation |
| Mitsubishi Heavy Industries, Ltd. |
| Mitsubishi Heavy Industries Machinery Systems, Ltd |
| Mitsubishi Materials Corporation |
| Mitsui Consultants Co., Ltd |
| Mitsui E&S Engineering Co., Ltd. |
|
| NEC Corporation |
Net One Systems Co., Ltd. |
| NICHICON CORPORATION |
| Nihon Koshuha Co., Ltd. |
| Nikken Sekkei Ltd |
| Nippon Advanced Technology Co., Ltd. |
| Nippon Civic Consulting Engineers Co., LTD |
| NIPPON STEEL & SUMITOMO METAL CORPORATION |
| Nishimatsu Construction Co., Ltd. |
| Nomura Plating Co., LTD. |
| NTT FACILITIES. |
| Obayashi Corporation |
| Okazaki Manufacturing Company |
| OKUMURA CORPORATION |
| Oriental Consultants Co., Ltd. |
| Oyo Corporation |
| PACIFIC CONSULTANTS CO., LTD. |
| PASCO Corporation |
| Penguin System Co., Ltd. |
| Penta-Ocean Construction Co., Ltd. |
| R＆K Company Limited. |
| Rigaku Corporation |
| SAN-AI PLANT CO., LTD. |
| Seibu Polymer Coporation |
| Shimadzu Corporation |
| Shimizu Corporation |
| Shin Nippon Air Technologies Co., Ltd. |
| SHINOHARA PRESS SERVICE CO.LTD. |
| Sumitomo Heavy Industries, Ltd. |
| Sumitomo Mitsui Construction Co., Ltd. |
| TAISEI CORPORATION |
| Taiyo Nippon Sanso Corporation |
| TAIYO, NAKAJIMA & KATO |
| Takasago Thermal Engineering Co., Ltd. |
| TAKENAKA CIVIL ENGINEERING & CONSTRUCTION CO., LTD. |
| Takenaka Corporation |
| TECHNOFLEX CORPORATION |
| TEKKEN CORPORATION |
| Tobishima Corporation |
| Toda Corporation |
| Tohoku Electric Power Co., Inc. |
| Tokin Corporation |
| Tokyo Denkai Co., Ltd. |
| Tokyo Electric Power Services Company Limited(TEPSCO) |
| Tokyu Construction Co., Ltd. |
| Toshiba Corporation |
| Toshiba Electron Tubes & Devices Co.,
Ltd. |
| TOYAMA Co., Ltd. |
| Toyota Tsusho Corporation |
| UBER CO. LTD. |
| Ultra Finish Technology Co., Ltd. |
| ULVAC,Inc. |
| ULVAC TECHNO, Ltd. |
| Urban Planning and Design Institute Co., Ltd. |
| WING Co., Ltd. |
| Yachiyo Engineering Co., Ltd. |
| YAMASHITA SEKKEI INC. |
|
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