| # | Entity | Status | State |
|---|---|---|---|
| 1 | 66 639 178 886 DOWN UNDER BUILDING DEVELOPMENTS PTY LTD |
ABN Active | NSW 2570 |
| 2 | 73 092 014 894 SPECIAL PROJECTS UNDER DEVELOPMENT PTY LTD |
ABN Active | SA 5067 |
| 3 | 88 140 984 327 Development Of Under Ground Space Equipment Hire Pty Ltd |
ABN Cancelled | NSW 2307 |
| 4 | 58 227 502 609 LEE DAVID O'BRIEN UNDER UTE TANKS DESIGN & DEVELOPMENT |
ABN Active | VIC 3585 |
| 5 | 66 639 178 886 DOWN UNDER BUILDING DEVELOPMENTS PTY LTD DOWN UNDER BUILDING DEVELOPMENTS |
ABN Active | NSW 2570 |
| 6 | 76 609 443 826 CAMERON JOHN WILLIAMS Under Development Studios |
ABN Cancelled | NSW 2650 |