| 1959-09 |
Established Japan Electric Technology Co., Ltd. in Marunouchi 3-chome, Chiyoda-ku, Tokyo, for the purpose of designing and constructing air conditioning instrumentation work and selling automatic control equipment. |
| 1959-09-26 |
Established on September 26, 1959 |
| 1959-09-26 |
Established on September 26, 1959 |
| 1964-08 |
Opened Osaka Branch (currently Osaka Branch Office) in Kita-ku, Osaka City. |
| 1966-03 |
Entered the automatic control market for newspaper company conveyance. |
| 1966-09 |
Entered the conveyance automatic control market for post offices. |
| 1967-10 |
Relocated headquarters to 2-14 Hongo 1-chome, Bunkyo-ku, Tokyo. |
| 1968-04 |
Established Shizuoka Office (currently Shizuoka Branch) in Shizuoka City, Shizuoka Prefecture. |
| 1968-10 |
Established Okayama Office (currently Okayama Branch) in Okayama City, Okayama Prefecture, and started manufacturing control panels, operation panels, etc. |
| 1968-10 |
Opened Okayama Office (now Okayama Branch) in Okayama City, Okayama Prefecture: Started manufacturing control panels, operation panels, etc., at Okayama Factory in Okayama City, Okayama Prefecture |
| 1969-08 |
Established Nagoya Branch (currently Nagoya Branch Office) in Nagoya City Naka Ward |
| 1969-12 |
Relocated headquarters to 2-8 Nibancho, Chiyoda-ku, Tokyo, and established Chiba Branch (currently Chiba Branch Office) in Chiba City, Chiba Prefecture |
| 1969-12 |
Relocated headquarters to 2-8 Nibancho, Chiyoda-ku, Tokyo: Established Chiba Branch (now Chiba Branch) in Chiba City, Chiba Prefecture |
| 1970-10 |
Established Yokohama Branch Office (currently Yokohama Branch) in Yokohama City Nishi Ward |
| 1971-04 |
Established Hamamatsu Branch Office (currently Hamamatsu Branch) in Hamamatsu City, Shizuoka Prefecture |
| 1975-11 |
Established Tsukuba Branch Office (currently Tsukuba Branch) in Tsuchiura City, Ibaraki Prefecture |
| 1978-03 |
Entered the automated control market for production lines mainly for food manufacturers |
| 1978-04 |
Established Hiroshima Office (currently Hiroshima Branch) in Hiroshima City, Hiroshima Prefecture |
| 1980-04 |
Established Kawaguchi Factory in Kawaguchi City, Saitama Prefecture, and started manufacturing control panels, operation panels, etc., supplied to eastern Japan |
| 1981-03 |
Entered the automated control market for production lines mainly for pharmaceutical manufacturers |
| 1983-04 |
Established Sapporo Branch Office (currently Sapporo Sales Office) in Chuo Ward, Sapporo City, and expanded business to Hokkaido |
| 1991-04 |
Reorganized the headquarters into a management headquarters and a business headquarters to strengthen management system |
| 1992-02-01 |
Established on February 1, 1992 |
| 1992-04 |
Relocated headquarters to 10-14 Ryogoku 2-chome, Sumida-ku, Tokyo |
| 1998-04 |
Established Tokyo Head Office in Sumida-ku, Tokyo |
| 1998-12 |
Obtained ISO9001 certification |
| 2003-03 |
Listed on the JASDAQ market |
| 2010-01 |
Obtained ISO14001 certification |
| 2011-03-03 |
Established on March 3, 2011 |
| 2017-09 |
Expanded ISO9001 certification to the Industry Solutions Department of Okayama and Hiroshima Branches |
| 2020-02 |
Established Jupiter Advanced Systems Co., Ltd. (consolidated subsidiary) |
| 2020-02-03 |
Established on February 3, 2020 |
| 2020-04 |
Acquired all shares of N.D.T. Limited and changed the trade name to ND Tech Co., Ltd. (non-consolidated subsidiary) |
| 2022-04 |
Reclassified from JASDAQ (Standard) to the Standard Market due to review of the market classification by the Tokyo Stock Exchange |
| 2022-07 |
Acquired all shares of Airfield Corporation and renamed to ND Tech Service Corporation (non-consolidated subsidiary) |
| 2024-04 |
Acquired all shares of Taito Equipment Corporation (non-consolidated subsidiary), established "Denki Giken Academy" as an organization for early human resource development and specialized technical education |
| 2024-04 |
Acquired all shares of Taito Equipment Corporation (non-consolidated subsidiary): Established "Denki Giken" as an organization for early human resource development and specialized technical education |
| 2025-03 |
Merged Taito Equipment Corporation (non-consolidated subsidiary) into ND Tech Corporation (non-consolidated subsidiary) |
