| Company | Timeline | Status | |
| Petchem Engineering Services Limited Secretary • Unreported | 31 Jul 1998←27 Years→Current | Active | |
| Petchem Engineering Services Limited Secretary • Unreported | 13 Jun 1991←12 Days→25 Jun 1991 | Active | |
| Petchem Engineering Services Limited Secretary • Unreported | 1 Jan 1970←21 Years→25 Jun 1991 | Active | |
