| 1980-08 |
Our company was founded in August 1980 as a system company of the Pacific Cement Group, which comprises about 300 companies, when the information division of Pacific Cement became independent. |
| 1980-08 |
The system department of Chichibu Cement Co., Ltd. (now Pacific Cement Co., Ltd.) became independent, and System Integrated Development Co., Ltd. (now our company) was established in Bunkyo-ku, Tokyo. We began the information services business. |
| 1983-06 |
Merged with J.S. Co., Ltd., a subsidiary of Chichibu Cement Co., Ltd. that operates an information services business. |
| 1983-09 |
Opened a Kumagaya office and sales office (now Kumagaya Center) in Kumagaya City, Saitama Prefecture. |
| 1988-12 |
Registered and authorized as a system integrator by the Ministry of International Trade and Industry (now Ministry of Economy, Trade and Industry). |
| 1989-06 |
Merged with Gem Co., Ltd., a subsidiary of Chichibu Cement Co., Ltd. that manufactures and sells measurement control systems, production management systems, etc. |
| 1991-08 |
Established an Osaka branch (now West Japan branch) in Yodogawa-ku, Osaka City, Osaka Prefecture. |
| 1991-09 |
Started selling Japan's first GPS-based vehicle dynamics monitoring system. |
| 1996-04 |
Acquired all sales of Oaks Co., Ltd., an information services company that is a subsidiary of Chichibu Onoda Co., Ltd. (now Pacific Cement Co., Ltd.). |
| 1999-10 |
Merged with Isis Co., Ltd., an information services company that is a subsidiary of Pacific Cement Co., Ltd., and changed the company name to Pacific System Co., Ltd. |
| 2002-07 |
Merged with Estex Co., Ltd., a subsidiary of our company that develops and sells measuring instruments and control equipment, and with S.S.K. Sales Co., Ltd., a related company of ours that operates an information services business, forming Pacific Technos Co., Ltd. (our consolidated subsidiary). Consolidated the fresh concrete related information services business into that company. |
| 2004-09 |
Moved headquarters to Chuo-ku, Tokyo. |
| 2005-11 |
Obtained ISO 14001 (Environmental Management System) certification. |
| 2007-04 |
Listed shares on the JASDAQ market (now Tokyo Stock Exchange JASDAQ). |
| 2007-10 |
Became a subsidiary through the acquisition of shares of System Base Co., Ltd. |
| 2007-12 |
Moved the West Japan branch to Nishi-ku, Osaka City, Osaka Prefecture. |
| 2009-03 |
Obtained ISO 9001 (Quality ISO) certification. |
| 2010-01 |
Acquired the business from Social Net Inc. and established the Chubu Center (Naka-ku, Nagoya, Aichi Prefecture). |
| 2011-01 |
Established the Tokyo office in Minato-ku, Tokyo. |
| 2011-02 |
Merged with subsidiary Pacific Technos Inc. |
| 2011-02 |
Moved headquarters to Saitama City, Saitama Prefecture. |
| 2012-03 |
Obtained ISO 27001 (Information Security ISO) certification. |
| 2017-08 |
Moved the Tokyo office to Chuo-ku, Tokyo. |
| 2022-04 |
Transitioned to the Tokyo Stock Exchange Standard Market following the market reorganization of the Tokyo Stock Exchange. |
| 2025-11 |
Delisted from the Tokyo Stock Exchange due to full acquisition by Pacific Cement Co., Ltd. |