1959 | Incorporation of Nihon Suido Consultants Co., Ltd. in Minato-ku, Tokyo |
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1962 | Establishment of Mission Statement |
1963 | Relocation of Head office to Shinjuku-ku, Tokyo |
1965 | Establishment of Group Company: Suikou Service Co., Ltd. |
1994 | Relocation of Head office to Shinjuku Square Tower, Tokyo Opening of Indonesia Representative Office |
1998 | Certification and registration of Quality Management System [ISO 9001:2015・JIS Q 9001:2015] (except for some departments and divisions) |
2001 | Certification and registration of Environment Management System [ISO 14001:2015・JIS Q 14001:2015] (except for some departments and divisions) |
2006 | Opening of Korea Representative Office |
2007 | Opening of Vietnam Representative Office |
2009 | Certification and registration of Information Security Management System [ISO/IEC 27001:2013・JIS Q 27001:2014] (except for some departments and divisions) |
2011 | Establishment of Group Company: NSC Tech Co., Ltd. |
2012 | PT DACREA Design and Engineering Consultants in Indonesia become our group company. Establishment of Group Company: Io Co., Ltd. |
2013 | Sabo Engineering Co., Ltd. become our group company |
2014 | Opening of India Representative Office |
2015 | Certification and registration of Asset Management System [ISO 55001:2014・JIS Q 55001:2017] (except for some departments and divisions) |
2016 | Certification of Construction Business License by Tokyo Metropolitan Government |
2018 | Certification of Construction Business License by Minister of Land, Infrastructure, Transport and Tourism Opening of Philippine Branch Opening of Singapore Branch |
2019 | Acquired certification of Integrated (quality, environment, information security and asset) Management System |
2021 | Opening of China Representative Office |
2022 | Company-wide acquired certification of Integrated (quality, environment, information security and asset) Management System |