| Company | Timeline | Status | |
| BDF Plant Limited Director • Drilling Engineer | 28 Jul 2006←1 Year 1 Month→31 Aug 2007 | Active | |
| Autoreel Limited Director • Drilling Engineer | 15 Jul 2002←5 Years→31 Aug 2007 | Active | |
| B. B. Drilling Limited Director • Drilling Engineer | 8 Feb 1999←8 Years→31 Aug 2007 | Active | |
| Boldon Drilling Limited Director • Drilling Engineer | 8 Feb 1999←8 Years→31 Aug 2007 | Active | |
| Drilling Holdings Unlimited Director • Drilling Engineer | 8 Oct 1991←15 Years→31 Aug 2007 | Active | |
| British Drilling And Freezing Company Limited Director • Drilling Engineer | 31 Jul 1991←16 Years→31 Aug 2007 | Active | |
