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     IDI Members


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 (24)
Central Consultant Inc. Newjec Inc.
Chodai Co.,Ltd. Nihon Suiko Sekkei Co.,Ltd.
CTI Engineering Co.,Ltd. Nippon Engineering Consultants Co.,Ltd.
CTI Engineering International Co.,Ltd. Nippon Koei Co.,Ltd.
Eight-Japan Engineering Consultants Inc. NJS Consultants Co.,Ltd.
Fukken Co.,Ltd. Oriental Consultants Global Co., Ltd.
IDEA Consultants, Inc. OYO Corporation
Ingerosec Corporation PADECO Co.,Ltd.
Japan Bridge & Structure Institute, Inc. Pacific Consultants Co., Ltd.
Katahira & Engineers International Tec International Inc.
Kawasaki Geological Engineering Co.,Ltd. TOKEN C.E.E. Consultants Co.,Ltd.
KENSETSU GIJUTSU CENTER, LTD. Yachiyo Engineering Co.,Ltd.
 
 
Surveying Firms (5)
Aero Asahi Corporation PASCO Corporation
Asia Air Survey Co., Ltd. Nakanihon Air Service CO.,LTD.
Kokusai Kogyo Co.,Ltd.


Associated Members (40)
Central Nippon Expressway Co.,Ltd.   Metropolitan Expressway Company Limited
Dai Nippon Construction MIYAJI ENGINEERING CO., LTD.
East Nippon Expressway Company Limited NICHIREKI Co.,Ltd.
FUJITSU LIMITED NIKKEN KOGAKU co.,ltd.
HANSHIN EXPRESSWAY Co.,Ltd. NIPPO CORPORATION
HAZAMA ANDO CORPORATION Nishimatsu Construction Co.,Ltd.
Honshu-Shikoku Bridge Expressway Company Limited NITTOC CONSTRUCTION CO.,LTD
IHI Infrastructure Systems Co.,Ltd. Obayashi Corporation
Itochu Corporation Penta-Ocean Construction Co.,Ltd.
JFE Engineering Corporation> SAKAI HEAVY INDUSTRIES, LTD
Japan Expressway International Company Limited Shimizu Corporation
JAPAN HOME SHIELD CORPORATION Sumitomo Mitsui Construction Co.,Ltd.
Kajima Corporation Taisei Corporation
Kawakin Core-Tech Co.,Ltd. Takuwa Corporation
Komaihaltec Inc. THE NIPPON ROAD Co., Ltd.
Konoike Construction Co.,Ltd. Tobishima Corporation
KPMG AZSA LLC TODA CORPORATION
Kumagai Gumi Co.,Ltd. TOYO CONSTRUCTION CO.,LTD.
Maeda Corporation Yokogawa Bridge Corp.
Maruma Technica Co.,Ltd. West Nippon Expressway Co.,Ltd.
 
consulting_firms (PDF70KB)