| # | Entity | Status | State |
|---|---|---|---|
| 1 | 17 050 054 585 HARD CORE CONCRETE DRILLING PTY LTD |
ABN Cancelled | NSW 2000 |
| 2 | 82 666 665 498 HARD ROCK DRILLING SOLUTIONS PTY LTD |
ABN Active | VIC 3036 |
| 3 | 17 050 054 585 HARD CORE CONCRETE DRILLING PTY LTD TREVOR JOHN SCHMIERER AS LIQUIDATOR OF HARD CORE CONCRETE DRILLING PTY LTD |
ABN Cancelled | NSW 2000 |
| 4 | 56 596 519 490 JASON YATES HARD - CORE CORE DRILLING |
ABN Cancelled | VIC 3753 |
| 5 | 28 037 381 148 The Trustee for Young Family Trust Hard Rock Drilling |
ABN Active | VIC 3089 |
| 6 | 58 002 086 553 MT PLUMBING & MAINTENANCE PTY LTD Hard Access Drilling |
ABN Active | NSW 2156 |