| Company | Timeline | Status | |
| Rockbolting Technology Limited Director • Company Director | 18 Oct 2004←21 Years→Current | Active | |
| Rockbolting Technology Limited Secretary • Unreported | 18 Oct 2004←21 Years→Current | Active | |
| Midland Rock Bolting Limited Director • Cs | 28 Oct 1994←31 Years→Current | Liquidation | |
| Midland Rock Bolting Limited Secretary • Cs | 28 Oct 1994←31 Years→Current | Liquidation | |
