D.I. System Co., Ltd.
株式会社ディ・アイ・システム
Di System Co., Ltd. Alias
1997-11-05
TYO
Japan
Development and sales of security products
Support for security solution implementation
Software design/development/operation
IT infrastructure design/construction/operation
User support services
Educational services (IT training/IT certification acquisition)
15F Meiji Yasuda Life Building, 2-1-1 Marunouchi, Chiyoda-ku, Tokyo
Kentarō Tomita
291,540,000  (2 100 million)
679 people
766 people
Company name
Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
株式会社エム・アイ・シー
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Parent
株式会社ジャステック
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer

57 entries
DateDescription
1902-12-01 Founded on December 1, 1902
1902-12-01 Shoda Seisakusho Co., Ltd. was founded.
1947-08-19 Established on August 19, 1947
1947-08-19 Shoda Seisakusho Co., Ltd. was established.
1997-11 Established D.I. System LLC in Nihonbashi, Chuo-ku, with capital of 3 million yen, mainly for software development
1998-11 Established a order reception center for order and delivery agency, expanding network operation/management/monitoring services
1998-11 Established a reception center to handle order receipt and dispatch
1999-07 Increased capital to 10 million yen and reorganized from LLC to Corporation, relocated headquarters to Kudan, Chiyoda-ku
1999-07 Increased capital to 10 million yen and reorganized from a limited company to a corporation. Moved the headquarters to Kudan, Chiyoda-ku
2000-06 Received approval for general labor dispatch business (currently labor dispatch business)
2002-02 Relocated headquarters to Hirakawacho, Chiyoda-ku due to business expansion
2002-10 Opened Osaka branch of the West Japan division due to business expansion
2003-11 Relocated headquarters to Higashi-Shimbashi, Minato-ku, due to business expansion, aiming to be a total solution provider
2003-11 Moved the headquarters to Higashi-Shimbashi, Minato-ku due to business expansion
2005-05 Obtained certification for Information Security Management System (ISMS), started consulting services for corporate information security management, relocated Osaka branch to Toyosaki, Kita-ku, Osaka, due to business expansion, opened educational courses for IT-related qualifications
2005-05 Obtained certification for the Information Security Management System (ISMS). Started providing corporate information security management consulting services. Moved Osaka branch to Toyotsuki, Kita-ku, Osaka due to business expansion. Opened training courses for IT and network-related qualifications
2005-10 Increased capital to 76 million yen
2006-01 Established R&D center in Shimbashi, Minato-ku, for technology research and development
2007-01 Obtained ISO/IEC 27001 certification
2008-06 Trademark registration for package software 'Cornelius'
2011-12 Obtained patent related to security programs
2012-11 Due to business expansion, established Solution Center in Higashi-Shimbashi, Minato-ku, and Osaka Development Office in Toyosaki, Osaka
2012-11 Established a solution center in Higashi-Shimbashi, Minato-ku, and an Osaka development office in Toyotsuki, Osaka, due to business expansion
2013-03 Acquired Privacy Mark certification
2013-05 Made Asli Brain Co., Ltd. a 100% subsidiary
2013-10 Opened Nagoya Branch of West Japan Business Division due to business expansion
2014-01 Integrated businesses in the Eastern Japan area and relocated headquarters to Nakano, Nakano Ward, due to business expansion
2014-04 Released paperless solution for tablets "SMART ZIRA"
2015-02 Integrated businesses in the West Japan area and relocated Osaka Office to Nakanoshima, Kita Ward, Osaka City
2015-02 Merged the businesses in the West Japan area and relocated the Osaka office to Nakanoshima, Kita-ku, Osaka due to business expansion
2015-07 Increased capital to 82.35 million yen
2017-05 Increased capital to 88.35 million yen
2018-07 Increased capital to 97.05 million yen
2018-10 Listed on JASDAQ (Standard) Market (Securities Code 4421) and increased capital to 273.69 million yen
2018-10 Listed on the JASDAQ (Standard) market (Securities code 4421). Increased capital to 273.69 million yen
2019-05 Relocated Nagoya Branch to Nishiki, Naka Ward, Nagoya City due to business expansion
2019-07 Increased capital to 277.69 million yen
2019-08 Increased capital to 290.04 million yen
2019-10 Opened Yokohama Satellite Office due to business expansion
2020-07 Obtained ISO 9001:2015 certification
2021-01 Shoda Manufacturing Co., Ltd. acquires shares of Yokoi Manufacturing Co., Ltd. and advances the integration of operations and organization.
2021 D.I. System is responsible for the introduction and operation support of the "COMPANY" system, achieving operational start as scheduled.
2021-03 Increased capital to 290.94 million yen
2021-10 Made Stepcom Co., Ltd. a 100% subsidiary and opened Shizuoka Satellite Office due to business expansion
2021-10 Made StepCom Inc. a 100% subsidiary. Opened a satellite office in Shizuoka due to business expansion
2022-01 Opened Fukuoka Satellite Office due to business expansion
2022-04 Transitioned to the Standard Market due to Tokyo Stock Exchange reorganization
2022-07 Made WISE Systems Co., Ltd. a 100% subsidiary
2022-09 Increased capital to 291.09 million yen
2022-12 Increased capital to 291.39 million yen
2023-01 Shoda Manufacturing Co., Ltd. and Yokoi Manufacturing Co., Ltd. merge, beginning a new chapter in the history of Shoda Manufacturing.
2024-01 Expanded and relocated the Fukuoka Satellite Office due to business expansion, and established the Fukuoka Business Office
2025-04 Relocated the headquarters to Marunouchi, Chiyoda-ku, due to business expansion
2025-09 Increased capital to 291.54 million yen
2026-01 Made MIC Inc. a 100% subsidiary
2026-05 Quest Consulting Co., Ltd. joined the group (a 100% subsidiary of AsleeBrains Inc.)
2026-06 Opened a satellite office in Yamaguchi due to business expansion
+ Loaded when opened
3010401052264
Trade name株式会社ディ・アイ・システム
Trade name (kana)ディアイシステム
Name in English
Corporation type301
Address〒100-0005 東京都千代田区丸の内2丁目1番1号
Postal code1000005
Prefecture code13
City code101
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date2015-10-05
Update date2025-04-09
Change date2025-04-03
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record1
Excluded from search0
Processing type12
Correction type0
Trade name image ID
Address image ID
Sequence number1595515
Source: National Tax Agency Corporate Number Publication Site, basic three items
3010401052264
Corporate number3010401052264
Trade name株式会社ディ・アイ・システム
Trade name (kana)ディアイシステム
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address東京都千代田区丸の内2丁目1番1号
Postal code1000005
Prefecture東京都
Prefecture code13
City or district千代田区
City code101
Street address丸の内2丁目1番1号
Organisation type301
Processing type12
Correction type0
Status
Representative代表取締役社長  富田 健太郎
Capital291540000
Employees550
Employees (male)449
Employees (female)179
Business summaryソフトウェア開発等
Website URL
Year founded
Business categoryG:情報通信業
Date established1997-11-05
Unified government qualification - grade|A|A|
Unified government qualification - business items207|208|215|216|217|220|223|303|304|306|308
Update date2025-04-09
Key information3010401052264
Source: gBizINFO (Ministry of Economy, Trade and Industry)
2026-09-23 01:02 (Model: gpt-4.1-nano )
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