| May 1954 | Established Nippon Denwa Shisetsu Co., Ltd. with capital of ¥15 million |
| February 1962 | Head office relocated to Aoi-cho, Higashi Ward, Nagoya |
| October 1963 | Listed on the Second Section of the Nagoya Stock Exchange |
| April 1973 | Listed on the First Section of the Nagoya Stock Exchange |
| October 1975 | Head office relocated to Tsurumai, Naka Ward, Nagoya |
| 1981 | Launched the Electrical Facility Business Division (entered the comprehensive facility business) |
| July 1982 | Launched the Electronic Information Systems Department (entered the information systems business) |
| October 1986 | Launched the Housing Division (entered the housing and real estate business) |
| 1993 | Began receiving orders for mobile base station construction (entered the mobile facility business) |
| August 1993 | Capital increased to ¥5.0 billion |
| April 1999 | Listed on the First Section of the Tokyo Stock Exchange Launched the Multimedia Business Division (entered the ICT solutions business) |
| October 2005 | Spun off the information systems business and established NDS INFORMATION SYSTEM CO., LTD. |
| June 2011 | Bridge Motion TOMORROW became a consolidated subsidiary |
| March 2012 | NDS.TS Co., Ltd. became a consolidated subsidiary |
| October 2012 | Company name changed to NDS Co., Ltd. |
| October 2018 | Became a wholly owned subsidiary of COMSYS Holdings Corporation and integrated management operations |
| July 2020 | Reorganized the Hokuriku Branch of the NTT Business Division into the Hokuriku Business Department of the Mobile Business Division Established NDS Career CO., LTD. through a company split of the dispatch business from NDS Solution Co., Ltd. |
| October 2020 | Asahi Setsubi Kogyo Co., Ltd. became a consolidated subsidiary |
| 2021 | Established the Power Distribution Sales Head Office, Procurement Department, and Smart Work Promotion Office |
| April 2022 | The Mie Branch was integrated into the NTT Business Headquarters Nagoya Branch, establishing the Mie Sales Branch. |
| April 2023 | Renamed the NTT Business Division to the Area Business Division |
| May 2024 | Celebrated the company’s 70th anniversary |
- Japanese
- English
