| Company | Timeline | Status | |
| Rotary Test Drilling (Training And Accreditation) Limited Secretary • Unreported | 1 Apr 2003←22 Years→Current | Active | |
| Rotary Test Drilling Limited Secretary • Unreported | 12 Dec 1991←34 Years→Current | Active | |
| Rotary Test Drilling Limited Director • Director | 27 Jun 1988←37 Years→Current | Active | |
