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History

       
Business year Business matters
1962 Establishment of Yachiyo Engineering Co., Ltd. (YEC)
1963 Registration of Consulting Engineer and Architect
1967 Engineering services for the construction of Shan-ta-jian Dam in Taiwan, the first overseas project of YEC.
1977 Establishment of Jakarta Office in Indonesia
1981 Number of permanent employees reaches 500
1986 Establishment of Korea Office
1991 Establishment of International Division
1999 Acquisition of ISO9001 Certificate
2001 Acquisition of ISO14001 Certificate
2004 Received Project Award from the Engineering and Consulting Firms Association (ECFA), Japan for the Urgent Disaster Reduction Project for Mt. Merapi and Lower Progo River Area in Indonesia
2009 Establishment of Kolkata Office in India
Establishment of Cairo Office in Egypt
Establishment of San Paulo Office in Brazil
2010 Establishment of Nigeria Office
2013 Establishment of Yachiyo Green Energy Co., Ltd.
2014 Establishment of Myanmar Office
Received 50 Years Memorial Project Award for the Project for Strengthening of Solid Waste Management in Dhaka City from ECFA
2015 Number of permanent employees reaches 1000
2016 Appointment of Mr. Norio Hanaoka, Chairman of YEC, as the Chairman of ECFA (until 2018)
2018 Establishment of Research Institute for Infrastructure Paradigm Shift
2019 Business and Capital Alliance with Aiplan Co., Ltd.
2021 Establishment of Vietnam Office
2022 Business and Capital Alliance with Wellstone Co., Ltd.