| Company | Timeline | Status | |
| Pipeline Drillers Limited Director • Engineer | 22 Mar 2006←19 Years→Current | Active | |
| Pipeline Drillers Limited Director • Engineer | 22 Mar 2006←18 Years→14 Feb 2025 | Active | |
| DJB Trenchless Techniques Limited Director • Director | 5 Dec 1989←4 Years→19 Sep 1994 | Active | |
