| Supporting Member A | Toshiba Sumiden Medical Information systems Corporation |
| NEC Corporation |
| Hitachi, Ltd. |
| FUJITSU Limited |
| Supporting Member B | NTT Data Corporation |
| SATO Corporation |
| GE Yokagawa Medical Systems,Ltd. |
| Japan Technical Software Co.,Ltd. |
| Saibu-gas Information Systems Co., Ltd. |
| IBM Japan, Ltd. |
| Yokogawa Electric Corporation |
| Wacom Co.,Ltd. |
| Supporting Member C | ARTHUR inc. |
| InterSystems Corporation |
| Intel Corporation |
| SBS Information Systems Co.,Ltd. |
| ELEKTA International |
| Sasebo Chuo Hospital |
| Sun System |
| Computer Engineering & Consulting,Ltd. |
| Siemens-Asahi Medical Technologies Ltd. |
| Seventh Dimension Design, Inc. |
| Taisho Pharmaceutical Co., Ltd. |
| TAIHO Pharmaceutical Co., Ltd. |
| Densan Co.,Ltd. |
| Oracle Corporation Japan |
| PCSK |
| HALC Co., Ltd. |
| PSC Inc. |
| FujiXerox Co.,Ltd. |
| Microsoft Corporation. |
| K.K.Lamtec |
| RYOBI Systems Co.,Ltd. |
| WISEMAN Co.,Ltd. |
| Supporting Member D | ITEC Inc. |
| AKITA RED CROSS HOSPITAL |
| Asano Dental Inc. |
| Asahikawa College of Medical Information |
| ISIKAWA Hospital |
| IZUMIKAWA HPSPITAL |
| URAZOE General Hospital |
| NTTPC Communications, Inc. |
| NTT DOCOMO, INC |
| Okazaki City Hospital |
| Ochanomizu School of BUSINESS |
| Olympus Cprporation |
| Gifu Prefectural General Medical Center |
| KIS Co.,Ltd. |
| Kobe City Medical Center General Hospital |
| KUMAMOTO HOSPITAL |
| Santekku Co.,Ltd. |
| Konan Kosei Hospital |
| Skill Information"s" Co.,Ltd. |
| Certio Co.,Ltd. |
| SOUSHUUKAI |
| NIPPON ENGINEERING College |
| JAPAN PHARMACEUTICAL Association |
| NETMARKS INC. |
| Noguchi Thyroid Clinic and Hospital Foundation |
| Panasonic Medical Solutions Co., Ltd. |
| Hiroshima City Asa Hospital |
| Hiroshima City Hospital |
| FUKUYAMA MEDICAL ASSOCIATION |
| Matsunami General Hospital |
| LEOCLAN Co., Ltd. |