Our History
For more than half a century, Mitsui Knowledge Industry has worked with innovative partners to acquire the cutting-edge technology that enables us to provide continuous, long-term support for IT lifecycles through solutions ranging from IT consulting, IT management services, core systems, networks, voice infrastructure, and security measures, to cloud utilization.

1991
- June
- 3Com K.K. established in Tokyo as a joint venture with 3Com USA to resell its network products
1993
- August
- Relocated the headquarters to Shibuya-ku, Tokyo
1994
- June
- Changed the company name to NextCom K.K.
1995
- March
- Relocated the headquarters to Shinjuku-ku, Tokyo
1997
- April
- Relocated the headquarters to Shibuya-ku, Tokyo
1998
- June
- Relocated the headquarters to Bunkyo-ku, Tokyo
2000
- September
- Listed on Osaka Securities Exchange's NASDAQ Japan Market (current JASDAQ Standard)
2004
- April
- Listed on the Second Section of Tokyo Stock Exchange
- December
- Merged with subsidiaries of Mitsui & Co., Ltd. : AdamNet Ltd. & BSI Co., Ltd., and relocated the headquarters to Chiyoda-ku, Tokyo
2007
- April
- Merged with Mitsui Knowledge Industry Co., Ltd., a subsidiary of Mitsui & Co., Ltd., and changed the company name from NextCom K.K. to MITSUI KNOWLEDGE INDUSTRY CO., LTD. relocating the headquarters to Chuo-ku, Tokyo.
- October
- Consolidated two subsidiaries, MKI TECHNO-SERVICE LTD. and MKI Software Service Co., Ltd., and established MKI Technologies Co., Ltd.
2008
- October
- Relocated the headquarters to Minato-ku, Tokyo
2010
- October
- Absorbed a subsidiary MKI Network Solutions, Ltd.
2011
- September
- Established MKI (U.K.), LTD.
Established Singapore Branch
Established Seattle Branch (MKI (U.S.A.), INC.)
2012
- March
- Established Advanced Technology Center at Higashi-Nakano Office
2015
- January
- Delisted from the TSE 2nd Section
Became a wholly-owned subsidiary of MITSUI & CO., LTD.
2017
- January
- Established Houston Branch (MKI (U.S.A.), INC.)
2020
- January
- Incorporated MKI IT SOLUTIONS (ASIA PACIFIC) PTE. LTD.
2021
- April
- Absorbed Mitsui Bussan Electronics
- November
- Acquired ITTO SOFTWARE.inc and made it a consolidated subsidiary
2023
- April
- Acquired MOBIUS Co., Ltd. and made it a consolidated subsidiary