| Name of Division / Dept. |
Dial-in |
| Secretariat Office |
+81-11-841-1110 |
| Planning Division |
+81-11-841-1636 |
| Administration Department |
Administration Division |
+81-11-841-1624 |
| Reception |
+81-11-841-1112 |
| Accounting and Contract Division |
+81-11-841-1629 |
| Director for Cold-Region Technology Development Coordination |
Cold-Region Technology Promotion Division |
+81-11-590-4046 |
| Machinery Technology Research Team |
+81-11-590-4049 |
| Cold-Region Construction Engineering Research Group |
Structures Research Team |
+81-11-841-1698 |
| Materials Research Team |
+81-11-841-1719 |
| Geotechnical Research Team |
+81-11-841-1709 |
| Geological Hazards Research Team |
+81-11-841-1775 |
| Cold-Region Hydraulic and Aquatic Environment Engineering Research Group |
River Engineering Research Team |
+81-11-841-1639 |
| Watershed Environmental Engineering Research Team |
+81-11-841-1696 |
| Port and Coast Research Team |
+81-11-841-1684 |
| Fisheries Engineering Research Team |
+81-11-841-1695 |
| Cold Region Road Engineering Research Group |
Traffic Engineering Research Team |
+81-11-841-1738 |
| Snow and Ice Research Team |
+81-11-841-1746 |
| Road Maintenance Research Team |
+81-11-841-1747 |
| Cold Region Agricultural Development Research Group |
Rural Resource Conservation Research Team |
+81-11-841-1754 |
| Irrigation and Drainage Facilities Research Team |
+81-11-841-1764 |
| Director for Special Research |
+81-11-841-1664 |
| Technologies Consultation Center |
+81-11-590-4050 |
| Research Buildings |
Building No.1 - Water Quality Testing Center |
+81-11-841-1842 |
| Building No.1 - Road Information Analysis Center |
+81-11-841-6310 |
| Building No.1 - Pavement Testing Center |
+81-11-841-1873 |
| Building No.2 - Electrical Center |
+81-11-841-5280 |
| Building No.2 - Soil Quality Testing Center |
+81-11-841-1853 |
| Building No.2 - Landslide Testing Center |
+81-11-841-1891 |
| Building No.3 - Image Analysis Center |
+81-11-841-1864 |
| Building No.4 - Testing Center |
+81-11-841-1832 |
| Building No.4 - Preparations Center |
+81-11-841-1845 |
| Multipurpose Testing Center |
+81-11-841-1819 |