| Company | Timeline | Status | |
| Prochem Services Limited Secretary • Unreported | 24 Dec 1998←9 Years→13 Nov 2008 | Active | |
| Prochem Fluid Handling Limited Secretary • Secretary | 6 Aug 1998←10 Years→13 Nov 2008 | Active | |
| Prochem Valves Limited Secretary • Unreported | 6 Aug 1998←10 Years→13 Nov 2008 | Active | |
