| # | Entity | Status | State |
|---|---|---|---|
| 1 | 38 842 835 182 UNDERGROUND POWER DEVELOPMENT PARTNERSHIP |
ABN Cancelled | WA 6005 |
| 2 | 52 064 856 337 UNDERGROUND MINING DEVELOPMENT PTY LTD |
ABN Cancelled | NSW 2350 |
| 3 | 53 094 593 067 UNDERGROUND POWER DEVELOPMENT PTY LTD |
ABN Active | WA 6005 |
| 4 | 54 162 835 118 UNDERGROUND COAL GASIFICATION DEVELOPMENT PTY. LTD. |
ABN Cancelled | SA 5072 |
| 5 | 64 608 090 991 UNDERGROUND DEVELOPMENT SERVICES INTERNATIONAL PTY. LTD. |
ABN Active | VIC 3976 |
| 6 | 74 618 532 746 UNDERGROUND DEVELOPMENT SPECIALISTS PTY LTD |
ABN Cancelled | QLD 4211 |
| 7 | 38 842 835 182 UNDERGROUND POWER DEVELOPMENT PARTNERSHIP UNDERGROUND POWER DEVELOPMENT |
ABN Cancelled | WA 6005 |
| 8 | 73 417 697 054 D ROWLING & F.A ROWLING UNDERGROUND DEVELOPMENTS |
ABN Active | NSW 2154 |
| 9 | 91 152 904 376 PAUL EUGENE GAFFNEY Developing Underground Melbourne |
ABN Active | VIC 3033 |
| 10 | 64 608 090 991 UNDERGROUND DEVELOPMENT SERVICES INTERNATIONAL PTY. LTD. Underground Development Systems |
ABN Active | VIC 3976 |