| # | Entity | Status | State |
|---|---|---|---|
| 1 | 37 644 302 287 EXTREME WELDING PTY LTD |
ABN Active | NSW 2749 |
| 2 | 54 123 064 906 EXTREME PIPE WELDING PTY. LTD. |
ABN Active | QLD 4073 |
| 3 | 46 994 025 892 WISSAM EL SAKET Extreme Welding |
ABN Cancelled | NSW 2168 |
| 4 | 54 123 064 906 EXTREME PIPE WELDING PTY. LTD. Extreme Pipe Welding Pty Ltd |
ABN Active | QLD 4073 |
| 5 | 85 101 866 157 TUFF AUSTRALIA PTY LTD Extreme Welding and Engineering |
ABN Active | QLD 4350 |