| Company | Timeline | Status | |
| CSSM Contractors Limited Director • Surveyor | 21 Jun 1993←22 Years→18 Mar 2016 | Active | |
| CSSM Contractors Limited Secretary • Surveyor | 21 Jun 1992←33 Years→Current | Active | |
| CSSM Contractors Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
