| # | Entity | Status | State |
|---|---|---|---|
| 1 | 48 081 187 528 EXTREME COMPUTER WORLD PTY LTD |
ABN Cancelled | NSW 2170 |
| 2 | 96 606 467 074 WORLD EXTREME ROCK CRAWLING PTY. LTD. |
ABN Cancelled | NSW 2830 |
| 3 | 14 507 456 151 JAMES PERRAKIS EXTREME PROJECT WORLD |
ABN Active | HASH 1356 |
| 4 | 64 950 189 011 L.M LAMBERT & K.A METCALF Extreme R.C. World |
ABN Active | WA 6210 |
| 5 | 59 255 739 499 CRYSTAL DAVIS EXTREME EXCELLENCE WORLD RECORDS |
ABN Active | TAS 7026 |