About usHistory
| 1985 | October | Headquarters established in Seki, Tama-ku, Kawasaki |
|---|---|---|
| 1986 | February | "Safety and Health Cooperation Association" established |
| 1986 | April | Obtained ordinary construction license of pipe construction |
| 1989 | April | Headquarters moved to Shukugawara 7-chome, Tama-ku, Kawasaki |
| 2001 | July | Ordinary construction license of pipe construction changed to special construction license |
| 2005 | October | Obtained ISO9001 |
| 2006 | October | Obtained ISO14001 |
| 2009 | July | Obtained a worker dispatch business permit |
| 2010 | October | Opened Tokyo Sales Office in Ota-ku Changed construction license from prefectural governor's license to Minister of Land, Infrastructure, Transport and Tourism license Obtained ordinary construction license of firefighting facility construction |
| 2015 | June | Obtained ordinary construction license of electrical construction. |
| 2015 | October | Moved Tokyo sales office to Shibuya-ku |
| 2018 | April | Moved the head office to 1-chome, Shukugawara, Tama-ku, Kawasaki |
| 2018 | July | Moved Tokyo sales office to Minato-ku |
| 2019 | January | Decided to be a “Kawasaki ★ Eruboshi” certified company |
| 2019 | June | Ordinary construction license of electrical work changed to special construction license Obtained ordinary construction license of construction work and demolition work |
| 2020 | April | Kanagawa SDGs Partner Registration |
| 2021 | April | Moved Tokyo sales office to Shinagawa-ku |
| 2021 | April | Kawasaki SDGs Gold Partner Certification |
| 2023 | February | Opened Fukushima Sales Office |