| 01/20/1946 | NAKAJIMA Construction Co.,Ltd. was founded. |
| 01/21/1961 | NAKAJIMA Construction Co.,Ltd. was established. Started with \2,000,000.(JPY) in capital. |
| 11/30/1975 | \4,000,000.(JPY) increased in our capital. |
| 04/25/1981 | \8,000,000.(JPY) increased in our capital. |
| 04/23/1986 | \30,000,000.(JPY) increased in our capital. |
| 04/29/1989 | Received Zuiho_sho (Order of the Sacred Treasure) 5th Order at Imperial Palace. |
| 06/25/2003 | Certified Quality Management System International Standard (ISO9001:2000) |
| 08/25/2003 | Open INAX LIFA Adachi branch |
| 02/2004 | Certified Environmental Management System International Standard (ISO14001) |
| Vehicles | Auto Tracks 8 tracks 4t.Track with a Crane 1 track Regular Tracks 8 tracks |
| Equipments | Wood processing Machine 4 machines Construction Surveying Machine 4 machines Civil Engineering Surveying Machine 2 machines Construction Measurement Instrument 3 machines Civil Engineering and Construction Work Tools 1 machine |
| Provisional Housing | 2Kx3K 4 house |
| Temporary Scaffold Member | 12,000m² |
| Basic temporary Earth Retaining member | 1 complete set |
| Crane with Site Installation | 2 cranes |