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The members of IDI mainly consisting of civil engineering consultants.
The members each offer a wide variety of researches and consulting services for infrastructure development programs and have a broad experience in international operations. |
| Consulting Firms (28) |
| Central Consultant Inc. |
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Newjec Inc. |
| Chodai Co.,Ltd. |
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Nihon Suiko Sekkei Co.,Ltd. |
| Construction Engineering Consultants Co., Ltd |
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Nippon Engineering Consultants Co.,Ltd. |
| CTI Engineering Co.,Ltd. |
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Nippon Koei Co.,Ltd. |
| CTI Engineering International Co.,Ltd. |
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NJS Consultants Co.,Ltd. |
| Eight-Japan Engineering Consultants Inc. |
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OHBA CO.,Ltd. |
| Fukken Co.,Ltd. |
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Oriental Consultants Co.,Ltd. |
| IDEA Consultants, Inc. |
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OYO Corporation |
| ingerosec corporation |
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PADECO Co.,Ltd. |
| Japan Bridge & Structure Institute, Inc. |
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Public Planning & Policy Studies, Inc. |
| Katahira & Engineers International |
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TOKEN C.E.E. Consultants Co.,Ltd. |
| Kawasaki Geological Engineering Co.,Ltd. |
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Tokyo Electric Power Services Co.,Ltd. |
| Mitsubishi Research Institute,Inc. |
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Tokyo Engineering Consultants Co.,Ltd. |
| Mitsui Consultants Co.,Ltd. |
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Yachiyo Engineering Co.,Ltd. |
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| Surveying Firms (4) |
| Aero Asahi Corporation |
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Kokusai Kogyo Co.,Ltd. |
| Asia Air Survey Co., Ltd. |
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PASCO Corporation |
| Associated Members (36) |
| Central Nippon Expressway Co.,Ltd. |
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MIYAJI ENGINEERING CO., LTD. |
| Dai Nippon Construction |
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NICHIREKI Co.,Ltd. |
| East Nippon Expressway Company Limited |
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Nippo Corporation.,Ltd. |
| HANSHIN EXPRESSWAY Co.,Ltd. |
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Nippon Steel Topy Bridge Co.,Ltd. |
| Hazama Corporation |
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Nishimatsu Construction Co.,Ltd. |
| Honshu-Shikoku Bridge Expressway Company Limited |
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Obayashi Corporation |
| IHI Infrastructure Systems Co.,Ltd. |
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Penta-Ocean Construction Co.,Ltd.
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| Itochu Corporation |
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SAKAI HEAVY INDUSTRIES, LTD |
| JFE Engineering Corporation |
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Shimizu Corporation |
| Kajima Corporation |
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Sumitomo Mitsui Construction Co.,Ltd. |
| Kawakin Core-Tech Co.,Ltd. |
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Taisei Corporation |
| KOMAI TEKKO Inc. |
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Takuwa Corporation |
| Konoike Construction Co.,Ltd. |
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THE NIPPON ROAD.,LTD. |
| KUBOTA Corporation |
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Tobishima Corporation |
| Kumagai Gumi Co.,Ltd. |
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TODA CORPORATION |
| Maeda Corporation |
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TOYO CONSTRUCTION CO.,LTD. |
| Maruma Technica Co.,Ltd. |
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Yokogawa Bridge Corp. |
| Metropolitan Expressway Co., Ltd. |
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West Nippon Expressway Co.,Ltd. |
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| consulting firms (PDF66KB) |
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