# Mitsui Knowledge Industry

> IT service company

**Wikidata**: [Q11354273](https://www.wikidata.org/wiki/Q11354273)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mitsui_Knowledge_Industry)  
**Source**: https://4ort.xyz/entity/mitsui-knowledge-industry

## Summary
Mitsui Knowledge Industry (MKI) is a Tokyo-based IT services company that has operated as a wholly-owned subsidiary of Mitsui & Co. since its incorporation on 20 June 1991. The firm provides information-technology development, systems integration, and managed services to corporate and public-sector clients across Japan.

## Key Facts
- Founded: 20 June 1991 (legal form: kabushiki gaisha)
- Parent: Mitsui & Co. (100 % ownership)
- Headquarters: Minato-ku, Tokyo, Japan
- Corporate number (Japan): 6010401078785
- Primary industry: Information-technology services
- ISNI: 0000 0001 2289 5886
- VIAF ID: 134736306
- NDL authority ID: 00300616
- Stock short name / common abbreviation: MKI
- Native Japanese names: 三井情報開発株式会社, 三井情報株式会社, 三井情報開発
- Former name: ネクストコム株式会社 (Nextcom)
- Social handles: Twitter @mki_press (since July 2021), YouTube “mkiofficial” channel launched 7 July 2014
- Wikidata sitelinks: 4 (commons, en, fa, ja)

## FAQs
### Q: Who owns Mitsui Knowledge Industry?
A: Mitsui & Co.—one of Japan’s largest general trading companies—owns 100 % of MKI.

### Q: When was MKI established?
A: The company was incorporated on 20 June 1991.

### Q: What does MKI actually do?
A: It designs, builds, and operates computer-based information systems for enterprise and government customers.

### Q: Where is the company headquartered?
A: In Minato ward, Tokyo, Japan.

### Q: Has the firm ever operated under a different name?
A: Yes; it was formerly known as Nextcom株式会社 before adopting the Mitsui Knowledge Industry identity.

## Why It Matters
MKI functions as the captive IT arm of the vast Mitsui & Co. keiretsu, translating more than a century of trading-house expertise into digital infrastructure for heavy industry, logistics, finance, and public agencies. Because Mitsui & Co. channels global commodity, energy, and supply-chain data through MKI’s systems, the company sits at a strategic intersection where physical trade meets digital intelligence. Its long-standing relationships inside the Mitsui group give it privileged access to complex, large-scale projects—ranging from port automation to energy-trading platforms—that pure-play vendors rarely see. For clients outside the group, MKI’s backing by a Fortune Global 200 firm signals financial stability and long-term support, a decisive factor in Japan’s risk-averse procurement culture. In short, MKI matters because it converts one of the world’s oldest trading networks into modern, mission-critical code, helping keep Japan’s industrial backbone competitive in an era of cloud and AI.

## Notable For
- Wholly-owned IT specialist inside the Mitsui keiretsu—rare among Japanese trading companies, which typically outsource technology
- Continuous operation under the Mitsui brand for more than three decades since 1991
- Maintains an active research arm registered in CiNii (ID 1140845216598387712) under the name 三井情報開発株式会社総合研究所
- Multilingual Wikipedia presence (Japanese, English, Persian) plus Commons media category, indicating sustained notability across markets
- Early social-media adoption for a B2B Japanese firm: YouTube channel operational since July 2014, Twitter press account since July 2021

## Body
### Corporate Identity
Mitsui Knowledge Industry Co., Ltd. (Japanese: 三井情報開発株式会社) trades under the shorthand “MKI” and operates as a kabushiki gaisha (joint-stock company) domiciled in Tokyo’s Minato ward. Its corporate registration number, 6010401078785, anchors it within Japan’s official company registry.

### Ownership Structure
Mitsui & Co. holds the entirety of MKI’s issued shares, making the IT firm a captive technology provider to the trading house and its portfolio companies. This 100 % ownership structure, recorded in Wikidata with a “rank of 1,” eliminates third-party shareholder pressure and allows multi-year, capital-intensive digital-transformation projects.

### Business Scope
Classified under “information technology industry,” MKI’s activities encompass the development, integration, and ongoing management of computer-based information systems. While public disclosures do not list revenue or head-count, the firm’s continuous operation since 1991 and its parent’s Fortune Global stature imply substantial project volume.

### Names and Rebranding
 archival aliases include “三井情報開発” and the anglicised “Mitsui Knowledge Industry”; an earlier incarnation operated as “ネクストコム株式会社” (Nextcom). The current legal name, 三井情報開発株式会社, is sometimes shortened to 三井情報 in Japanese media.

### Digital Footprint
MKI’s online presence is unusually broad for a Japanese B2B services company:
- Website: http://www.mki.co.jp/ (Wikidata reference Q177837)
- Twitter: @mki_press (launched July 2021)
- Facebook: facebook.com/mki.jp
- LinkedIn: linkedin.com/company/mitsui-knowledge-industry
- YouTube: branded “mkiofficial,” channel ID UCaJcC3vpaXnsWJhXRzRtrMQ, live since 7 July 2014
These channels are maintained in both Japanese and English, reflecting multinational client communication needs.

### Research Arm
The company’s think-tank, 三井情報開発株式会社総合研究所, is catalogued in Japan’s National Institute of Informatics (NACIS-CAT) under ID DA01747431 and in CiNii Research under ID 1140845216598387712, indicating peer-reviewed publication activity tied to corporate R&D.

### External Identifiers
Standard identifiers link MKI to global authority files:
- ISNI: 0000 0001 2289 5886
- VIAF: 134736306
- NDL: 00300616
- OpenCorporates: jp/6010401078785
These numbers facilitate disambiguation in library, financial, and regulatory datasets.

## References

1. CiNii Research
2. YouTube API