| 1972-08-25 |
Established a company in Nishishinbashi 2-chome, Minato-ku |
| 1972-08-25 |
|
| 1976-07 |
|
| 1979-02 |
|
| 1984-09 |
Completed and relocated to the first building of the headquarters in Shinbashi 5-chome, Minato-ku (former annex) |
| 1984-09 |
Completed and relocated to the first building of the headquarters in Shinbashi 5-chome, Minato Ward (former annex of the headquarters) |
| 1987-04 |
Received permission from the Ministry of Health, Labour and Welfare for specific worker dispatching business |
| 1988-03 |
|
| 1990-02 |
Registered and certified as an SI company by the Ministry of Economy, Trade and Industry |
| 1990-04 |
Expanded operations in Kyushu, opened Kyushu branch in Hakata-ku, Fukuoka City as a recruitment base |
| 1990-04 |
Opened Kyushu branch in Hakata-ku, Fukuoka City as an expansion and recruitment base in Kyushu area |
| 1991-02 |
Registered as a over-the-counter traded stock with the Japan Securities Dealers Association |
| 1991-06 |
Expanded operations in Kansai, opened Kansai branch in Yodogawa-ku, Osaka City as a recruitment base |
| 1991-06 |
Opened Kansai branch in Yodogawa-ku, Osaka City as an expansion and recruitment base in Kansai area |
| 1991-10 |
|
| 1995-05 |
|
| 1997-08 |
Completed and relocated to the second building of the headquarters in Shinbashi 6-chome, Minato-ku |
| 1997-08 |
Completed and relocated to the second building of the headquarters in Shinbashi 6-chome, Minato Ward (former main building of the headquarters) |
| 1997-09 |
Opened the third building of the headquarters in Shinbashi 5-chome, Minato-ku |
| 1997-09 |
Listed on the Second Section of the Tokyo Stock Exchange |
| 1998-08 |
Changed the unit stock number (from 1,000 shares to 100 shares) |
| 1998-08 |
Changed the unit share number (1 unit 1000 shares → 100 shares) |
| 1999-09 |
Listed on the First Section of the Tokyo Stock Exchange |
| 2000-02 |
ISO 9001 certification acquired for designing, developing, manufacturing, installing, and providing related services for software for the telecommunications industry |
| 2000-06 |
Introduction of a stock price-linked bonus system (target: mid-level executives) |
| 2000-10 |
Established a subsidiary, Kyushu Data Communication System Co., Ltd. (now Kyushu DTS Co., Ltd.), in Fukuoka City |
| 2000-10 |
|
| 2001-04 |
Acquisition of shares to make it a subsidiary of Data Link Co., Ltd. |
| 2001-06 |
|
| 2002-03 |
Received Privacy Mark certification from the Japan Information Processing Development Association |
| 2002-09 |
Becomes a margin trading stock on the First Section of the Tokyo Stock Exchange |
| 2003-04 |
Changed to a new logo mark |
| 2003-10 |
Changed company name from Data Communication System Co., Ltd. to DTS Co., Ltd. |
| 2004-06 |
Completed and relocated to the new headquarters building in Shinbashi 6-chome, Minato-ku |
| 2004-10 |
Established the Chukyo Branch in Naka-ku, Nagoya City, as a sales base in the Chukyo area |
| 2004-10 |
The System Management Department obtained ISMS (Information Security Management System) certification |
| 2004-10 |
Opened Chukyo branch in Naka-ku, Nagoya City as a sales base in Chukyo area |
| 2005-02 |
|
| 2005-10 |
Walk in home received the Good Design Award for 2005 |
| 2005-11 |
Established FAITEC Co., Ltd. |
| 2006-03 |
ISO 14001:2004 certification acquired for sales, procurement, and system operation design of computer equipment and related information and communication devices, as well as for system operation services and system design for telecommunications operators |
| 2006-03 |
Obtained ISO 14001:2004 certification |
| 2006-11 |
Acquisition of shares to make it a subsidiary of Japan SE Co., Ltd. |
| 2007-02 |
Complete acquisition of shares to become a wholly owned subsidiary of Sogo System Service Co., Ltd. |
| 2007-04 |
Established MIRUCA Co., Ltd. |
| 2007-04 |
|
| 2007-10 |
Established Taitensu (Shanghai) Software Technology Co., Ltd. |
| 2007-10 |
|
| 2008-12 |
Obtained ISO/IEC 20000-1 certification for system operation monitoring (ReSM service) in the management services business |
| 2008-12 |
Obtained ISO/IEC 20000-1 certification |
| 2009-03 |
Licensed for general construction industry (telecommunications work) in Tokyo |
| 2009-10 |
Established Digital Technology Corporation |
| 2009-10 |
|
| 2010-10 |
Walk in home received the Special Jury Award in the IT for Social Energy Saving category at the Green IT Award 2010 |
| 2010-10 |
Walk in home received the Special Jury Prize in the IT for Energy Saving category at the Green IT Award 2010 |
| 2011-10 |
Established Special Subsidiary DTS Palette Corporation |
| 2011-10 |
|
| 2011-10 |
|
| 2011-11 |
Established DTS America Corporation |
| 2011-11 |
|
| 2013-04 |
Established DTS IT Solutions (Thailand) Co., Ltd. |
| 2014-02 |
Obtained ISO9001 certification across the organization engaged in software design, development, support, and maintenance |
| 2014-04 |
Absorbed and merged FAITEC Corporation into DTS, established DTS West Corporation, acquired shares and made Yoko Digital Computer Corporation and Art System Corporation subsidiaries, established DTS Software Vietnam Co., Ltd. |
| 2014-04 |
|
| 2014-04 |
Merged FAITEC Corporation into DTS |
| 2014-04 |
Established DTS West Corporation |
| 2014-04 |
Acquired shares of Art System Corporation and made it a wholly owned subsidiary |
| 2014-04 |
Acquired shares of Yokogawa Digital Computer Co., Ltd. and made it a subsidiary |
| 2014-04 |
Established DTS Software Vietnam Co., Ltd. |
| 2015-04 |
Merged Goso System Service Corporation as the surviving company and DTS West Corporation as the dissolved company, renamed to DTS West Corporation, and succeeded part of the embedded business to Art System Corporation through a spin-off |
| 2015-04 |
Merged Gensou System Service Inc. as the surviving company and DTS West Inc. as the dissolved company, changing the company name to DTS West Inc. |
| 2015-04 |
Inherit part of the embedded-related business through absorption-type split to Art System Co., Ltd. |
| 2017-03 |
Capital alliance with Nelito Systems Limited in India |
| 2017-04 |
Merged Yokogawa Digital Computer Corporation and Art System Corporation to establish DTS Insight Corporation |
| 2017-08 |
Relocated headquarters to Hachobori 2-chome, Chuo-ku |
| 2017-08 |
Made DataLinks Inc. a wholly owned subsidiary through share exchange |
| 2017-10 |
Relocated headquarters to 2 Chome Hatchobori, Chuo-ku |
| 2018-10 |
Absorbed and merged Datas Link Corporation into DTS |
| 2019-03 |
Taitensu (Shanghai) Software Technology Co., Ltd. signed a capital increase agreement with Dalian Spai Electronics Co., Ltd. |
| 2019-06 |
Acquired additional shares of Nelito Systems Limited to become a subsidiary |
| 2019-10 |
Obtained certification for the Eruboshi (second stage) based on the Act on Promotion of Women's Participation and Advancement in the Workplace from the Ministry of Health, Labour and Welfare |
| 2020-03 |
Received certification as a healthy management corporation 2020 from the Ministry of Economy, Trade and Industry |
| 2020-09 |
Certified as a healthy enterprise (Gold Certification) by the Tokyo Health and Productivity Management Organization |
| 2021-06 |
Acquired shares of i-net Lily Corporation and made it a wholly owned subsidiary |
| 2022-03 |
Selected as a health management stock 2022 by the Ministry of Economy, Trade and Industry and the Tokyo Stock Exchange, and obtained the Healthy Management Excellent Corporation (White 500) 2022 certification |
| 2022-03 |
Selected as a Health & Productivity Stock 2022 by the Ministry of Economy, Trade and Industry and the Tokyo Stock Exchange |
| 2022-03 |
Certified as a White 500 health management excellence corporation by the Ministry of Economy, Trade and Industry and the Japan Health Conference in 2022 |
| 2022-04 |
Moved to the Tokyo Stock Exchange Prime Market |
| 2022-08 |
Celebrating 50th anniversary |
| 2022-11 |
Certified as Kurumin by the Ministry of Health, Labour and Welfare |
| 2022-11 |
Acquired shares of Partners Information Technology, Inc. and made it a subsidiary |
| 2023-05 |
Acquired shares of Anshin Planning Co., Ltd. and made it a subsidiary |
| 2024-01 |
Acquired shares of Avanza Corporation and made it a subsidiary |
| 2024-03 |
Acquired shares of Tohoku Systems & Support Inc. and made it a subsidiary |
| 2024-04 |
Merged Digital Technology Corporation as the surviving company and I-Net Lily Corporation as the dissolved company |
| 2025-08 |
Changed the investment ratio of Taitensu (Shanghai) Software Technology Co., Ltd. to Dalian Spire Electronics Co., Ltd. |
