

Since 1965, Crearia Inc. has been providing water-related construction consulting services, specializing in projects in upstream regions of rivers centering on dams to estuaries and seacoasts. Crearia has engaged in the constructions of more than three- hundreds dams in Japan. Increasing orders of high-continuity projects centering around disaster prevention and mitigation related consulting, maintenances of dams, river structures, coasts and ports and productivity improvements, Crearia pursues productivity improvement.
| Address | New Otani Garden Court 8F, 4-1, Kioi-cho, Chiyoda-ku,Tokyo |
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| Date of establishment | 1965 |
| Representative | Representative Director, President Toshiyuki Takeda |
| Paid-in capital | 100 million yen |
| Business establishments | Tohoku branch, Kanto branch, Hokuriku branch, Chubu branch, Kansai branch, Shikoku branch, Kyushu branch, etc. |
| Principal business | Comprehensive construction consulting (Surveying, planning, design, administration) |
| 1965 | INA New Civil Engineering Research Institute the predecessor of Crearia Inc. established in Nishikanda, Chiyoda-ku, Tokyo. |
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| 1966 | Registered as a construction consultant and survey contractor with Ministry of Construction (currently Ministry of Land, Infrastructure, Transport and Tourism) |
| 1977 | Registered as geological survey contractor with then Ministry of Construction |
| 2007 | Joined the TriIs group |
| 2010 | Changed company name into Crearia Inc. |
| 2018 | Head office Moved to Chiyoda-ku, Tokyo |