| Company | Timeline | Status | |
| P J Technologies Limited Secretary • Unreported | 25 Mar 2002←4 Years→19 Jun 2006 | Dissolved | |
| Mantis Piping Group Limited Secretary • Unreported | 13 Dec 2000←5 Years→19 Jun 2006 | Active | |
| Eco-Valve Limited Secretary • Unreported | 17 Aug 1998←7 Years→19 Jun 2006 | Dissolved | |
| P.J. Pipe & Valve Co. Limited Director • Secretary | 23 Jul 1991←14 Years→31 Dec 2005 | Active | |
| P.J. Pipe & Valve Co. Limited Secretary • Unreported | 23 Jul 1991←14 Years→31 Dec 2005 | Active | |
