Our Clients

Construction / Geological Survey Companies

OYO CorporationPacific Consultants Co., Ltd.CTI Engineering Co., Ltd.Yachiyo Engineering Co., Ltd.Tokyu Architects & Engineers Inc.Chuo Kaihatsu CorporationNippon Koei Co., Ltd.DIA CONSULTANTS Co., Ltd.NTC International Co., Ltd.KITAC CorporationOkuyama Boring Co., Ltd.Kiso-Jiban Consultants Co., Ltd.Nippon Geophysical Prospecting Co., Ltd.CORVAC CorporationKawasaki Geological engineering Co., Ltd.Asia Air Survey Co., Ltd.


Obayashi Corporation Maeda Corporation Hazama Corporation Shimizu Corporation Taisei Corporation Kajima Corporation Tokyu Construction Co., Ltd. Takenaka CorporationPenta-Ocean Construction Co., Ltd.

Plants / Engineering and Manufacture Companies

Tokyo Electric Power Services Co., Ltd. JGC Corporation Idemitsu Engineering Co., Ltd. Tokyo Gas Co., Ltd. NIKKO Exploration & Development Co., Ltd. MHI Nuclear Engineering Co., Ltd.Prometech Software, Inc. Canon Inc.

Government Institutions

Ministry of the Environment Ministry of Education Culture, Sports, Science and Technology Radioactive Waste Management funding and Research Center National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism Japan Oil, Gas and Metals National Corporation National Institute of Advanced Industrial Science and Technology Public Works Research Institute National Institute for Rural Engineering, National Agriculture and Food Research Organization Nuclear Waste Management Organization of JapanCentral Research Institute of Electric Power Industry Association for Rainwater Storage and Infiltration Technology Geo-Research Institute Japan Environmental Sanitation Center Civil Engineering Center Tokyo Metropolitan Government Edogawa City Kanagawa Prefecture Natural Environment Conservation Center Hadano CityChiba Prefecture


Yokohama National University Tokyo University of Agriculture and Technology Waseda University Kokushikan University The University of Tokyo University of Yamanashi Research Institute for Humanity and Nature, Inter-University Research Institute Corporation,National Institutes for the Humanities

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