| 1988 |
- Established in Kyobashi, Chuo-ku, Tokyo (Apr.) Capital 5 million yen
|
| 1988 |
- Increased capital to 10 million yen (Dec.)
|
| 1989 |
- Chugoku Branch Office opened
- Kyushu Branch Office opened
- Construction consultant registration (Feb.)
- Registered under the Surveying Business Act (Jun.)
|
| 1990 |
- Hokkaido Branch Office opened
|
| 1991 |
- Tohoku Branch Office opened
|
| 1992 |
- Chubu Branch Office opened
|
| 1993 |
- Hokushinetsu Branch Office opened
|
| 1994 |
- Kansai Branch Office opened
|
| 1996 |
- Shikoku Branch Office opened
|
| 2002 |
- Kanto Branch Office opened
- Head office moved to Shinagawa
|
| 2006 |
- Specified worker dispatch business registration (Sep.)
|
| 2009 |
- Registration of change to general worker dispatch business (Oct.)
|
| 2014 |
|
| 2016 |
- Registered change to worker dispatch business (Oct.)
|
| 2021 |
|