Supporting Member
| Name of Organization | URL |
| Kawasaki Geological Engineering Co., Ltd. | https://www.kge.co.jp |
| National Geo-Information Center | https://ngic.or.jp/ |
| Dia Nippon Engineering Consultants Co., Ltd. | https://www.dd-con.co.jp/ |
| ITOCHU Techno-Solutions Corporation. | https://www.ctc-g.co.jp/special/science/ |
| Kiso-Jiban Consultants Co.,Ltd. | https://www.kiso.co.jp/ |
| GODAI KAIHATSU Co.,Ltd. | https://www.godai.co.jp/ |
| Construction Project Consultants, Inc. | https://www.cpcinc.co.jp |
| CTI Engineering Co., Ltd. | https://www.ctie.co.jp |
| Sumiko Resources Exploration & Development Co.,Ltd. | https://www.sred.co.jp/ |
| TAISEI CORPORATION | https://www.taisei.co.jp/ |
| TOKYO SOIL RESEARCH Kyushu Branch | https://www.tokyosoil.co.jp |
| JX Metals Resources Exploration & Development Co., Ltd. | https://tankai.co.jp/ |
| Futaba Inc. | http://www.futabakoumuten.co.jp/ |
| YONDEN CONSULTANTS Co.,Inc | https://www.yon-c.co.jp |
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