History
| 1960/05 | Establishment of the company. |
| 1969/04 | Started making the bearing for Shinkansen bullet train. |
| 1978/08 | Expansion of a building for enhancement of production. |
| 1983/09 | Started making the bearing for Hitachi & Toshiba. |
| 1987/08 | Redeployment administration building. Change in business activities from manufacturing to IT. |
| 1988/09 | Started leasing business. |
| 1989/02 | Changed the name from Mitori manufacturing Inc to Mitori Inc. |
| 1989/09 | Set up the Mitori Building at Yanagibashi Yamato-City. |
| 1990/06 | Set up IBM AS/400. Start IT Consulting and System Integration service. |
| 1993/02 | Started the service to Develop X86 Systems. |
| 1994/10 | Started selling AS/400［AS-Support55］. |
| 1998/08 | Started Internet Business. |
| 1999/12 | Started International telephone service. |
| 2006/06 | Started selling ［WTRICS］. |
| 2008/12 | Became IBM Business partner. |
| 2009/01 | Started selling ［Rakuraku Nyushukko］. |
| 2009/04 | Became Google Apps Authorized Reseller. |
| 2009/07 | Accepted 『Supporting Business Innovation Plan』 by Kanagawa Pref. |
| 2011/02 | Started selling ［Streamline the Workflow Engine］. |