| Company Name | SYSTEM IO Co., Ltd. |
| Established | January 11, 1990 |
| Representative | Shinji Noyama |
| Capital | 100,000,000 Yen |
| Stock Holder | MIT Holdings Co., Ltd. |
| Number of Employees | 156（As of April 30,2020） |
| Number of Group Company Employees | 331（As of April 30,2020） |
| Core Competence | Design/Development/Introduction/Maintenance. (For Government office and Business system, and Infrastructure environment) Design/Maintenance. (For Business system) Computer System Consulting. Technical support. Operational support. |
| Location | Tokyo Head Office Mita 3 choume MT Building 9th Floor, 3-14-10, Mita, Minato-ku, Tokyo, Japan World Business Garden Marive West 24th Floor, 2-6-1 Nakase, Mihama-ku, Chiba, Japan |
| Consolidated subsidiaries | NetValue Co.,Ltd BIGAL Co.,Ltd. Vision Links Myanmar Co., Ltd. |
| Main Clients | Ad-Sol Nissin Corporation Computer Institute of Japan, Ltd. CUBE SYSTEM INC. FUJITSU BROAD SOLUTION & CONSULTING Inc. FUJITSU LIMITED FUJITSU SOCIAL SCIENCE LABORATORY LIMITED Fuji Xerox Co., Ltd. HIMACS，Ltd． Hitachi Social Information Services, Ltd. I－NET CORP. MIRAIT Corporation Mizuho Information & Research Institute, Inc. NTT COMWARE CORPORATION NTT DATA i CORPORATION NTT Internet Co., Ltd. TDC SOFT Inc. Zennoh business support.Inc Listed in alphabetical order |