| 2017 | 04 | Change the CEO(LEE, SANGHUN) |
|---|---|---|
| 2014 | 04 | LandscapeArchitectureBusiness Registration (NO. 07-0025) |
| 03 | Awarded Seoul Citizens’ Award for Environmental Technology (Seoul City) | |
| EnvironmentsFacility Construction Business Registration(NO. 07-0009) | ||
| Maintenance & Management of Facility Business Registration(Ulsan Nam-goo 2014-29-01) | ||
| ISO 14001Certification | ||
| 2012 | 05 | Changethe CEO(CHO, KYUNG RAE) |
| 01 | Changethe CEO(SONG, SUNG WOONG) | |
| 2011 | 11 | Changethe CEO(LEE, SUNG KANG) |
| 2006 | 11 | International Construction Business Registration (NO.594) |
|---|---|---|
| 2005 | 10 | ISO 9001 Certification |
| 2001 | 10 | Civil Construction Business Registration (NO. 0700042) |
| Architecture Construction Business Registration (NO. 070100) | ||
| 09 | BOOKANGCONSTRUCTIONCorporation & Business Registration |
