| Company | Timeline | Status | |
| Downhole Products Limited Director • Unreported | 4 Apr 2008←7 Years→31 May 2015 | Active | |
| Ian Hay (Engineering) Limited Director • Company Director | 4 Apr 2008←7 Years→31 May 2015 | Active | |
| Downhole Products UK Holdco Ii Limited Director • Corporate Executive | 28 Mar 2008←7 Years→31 May 2015 | Active | |
| Downhole Products UK Holdco Limited Director • Corporate Executive | 28 Mar 2008←7 Years→31 May 2015 | Active | |
