| Company | Timeline | Status | |
| R & B Site Services Limited Director • Engineer | 3 Nov 2010←11 Years→5 Apr 2022 | Dissolved | |
| R & B Site Services Limited Secretary • Unreported | 23 Oct 2006←15 Years→5 Apr 2022 | Dissolved | |
| Coilmaster (Manufacturing) Limited Director • Director | 7 Mar 2003←21 Years→18 Oct 2024 | Dissolved | |
| Coilmaster (Manufacturing) Limited Secretary • Unreported | 24 Feb 2003←21 Years→18 Oct 2024 | Dissolved | |
| Stantay Design Innovations Limited Director • Engineer | 14 Nov 1994←30 Years→Current | Active | |
| Coilmaster Limited Director • Engineer | 12 Aug 1994←31 Years→Current | Active | |
| Coilmaster Limited Secretary • Engineer | 12 Aug 1994←6 Years→1 Aug 2001 | Active | |
