| Corporate Members | ||
| Arkray Global Business | IHI Corporation | AIOI Co.,Ltd. |
| ITC Japan | Asia Air Survey Co.,Ltd. | Ashikaga University |
| African Development Bank | Amuse Capital Inc. | Ingerosec Corporation |
| Hazama Ando Corporation | E-light Inc. | AML Japan Co.,Ltd. |
| O-M Ltd. | Oakamoto Pump Co.,Ltd. | Ogawa Industry Co.,Ltd. |
| Oriental Constructions Global Co.,Ltd. | Katahira & Engineers International | Kitashikoku Sangyo Co.,Ltd. |
| Qunie Corporation | Kobe Institute of Computing | Japan Bank for International Cooperation (JBIC) |
| Penta-Ocean Construction Co.,Ltd. | Sakura Global holding Co.,Ltd. | Sustainable Holdings Co.,Ltd. |
| SATO Enterprise Co.,Ltd. | G CUBE CO., Ltd. | J.C.B Japon Co.,Ltd. |
| SHIMIZU MOKUZAI Co.,Ltd.. | JASA Corporation | Sumitomo Corporation |
| SOIK Corporatio | TOA Corporation | TAKAOKA TOKO Co.,Ltd. |
| Tokyo Electric Power Company | Toray Medical Co.,Ltd. | Toyo Construction Co.,Ltd. |
| TOYORIKEN Corporation | Tokushukai General Incorporated Association | TODA CORPORATION |
| TOPPAN Digital Inc. | West Nippon Expressway Co.,Ltd. | Nishimura & Asahi (GKJ) |
| Japan Weather Association | Nippon Koei Co.,Ltd. | Japan Port Consultants, Ltd. |
| Normeca Aisa Co.,Ltd. | Pacific General Study Institute | Hamaya Co.,Ltd. |
| Hanwa Co., Ltd. | PTMC Institute | Hitachi Ltd. |
| BIG WAVE KAWASAKI Inc. | People, Dreams & Technologies Group Co., Ltd. | Fourin Inc. |
| Hotel Okura Tokyo | Yachiyo Engineering Co.,Ltd. | Yamada Sharyo Corporation |
| YAMAHA Motor Co.,Ltd. | Remote Sensing Technology Center of Japan (RESTEC) | Watanabe General Construction Ltd. |