Yachiyo Engineering Co., Ltd.
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| Business year | Business matters | |
|---|---|---|
| 1963 | Establishment of Yachiyo Engineering Co., Ltd. (YEC)(Capital: JPY 450 million) 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 | |
| 1986 | Establishment of Korea Office | |
| 1991 | Establishment of International Division | |
| 1993 | Establishment of Ytec Co., Ltd. | |
| 1999 | Acquisition of ISO9001 Certificate | |
| 2001 | Acquisition of ISO14001 Certificate | |
| 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 | January 29: 50th founding anniversary Acquisition of ISO/IEC 27001 Certificate Establishment of Yachiyo Green Energy Co., Ltd. |
|
| 2014 | Establishment of Myanmar Office | |
| 2016 | Acquisition of ISO 55001 Certificate Appointment of Mr. Norio Hanaoka, Chairman of YEC, as the Chairman of ECFA (until 2018) |
|
| 2017 | Establishment of OHYA UNDERGROUND ENERGY Co., Ltd. | |
| 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. | |
| 2023 | January 29: 60th founding anniversary Establishment of Nepal Office Establishment of Philippine Office Establishment of PT. Infra Hijau Arkipelago Business and Capital Alliance with |
|
| 2024 | Establishment of YACHIYO Solutions Co., Ltd. Establishment of TERBAIK Inc. |
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| 2025 | Establishment of Chika Berry Farm Inc. Establishment of SISI Innovations Co., Ltd. |
|
| 2026 | Establishment of Yachiyo Nigeria Co.Ltd Establishment of Latin America Office in Colombia Establishment of Ukraine Office |