| Company | Timeline | Status | |
| Pem Sheetmetal Limited Director • Engineer | 11 Jun 2004←2 Years 2 Months→1 Sep 2006 | Active | |
| Pem Laser Limited Director • Engineer | 31 Dec 1991←17 Years→7 Jul 2009 | Active | |
| Pem Laser Limited Director • Unreported | 1 Jan 1970←39 Years→7 Jul 2009 | Active | |
