| # | Entity | Status | State |
|---|---|---|---|
| 1 | 35 048 554 822 M & CK ENGINEERING SERVICES (WA) PTY LTD & RIVERCITY PTY LTD |
ABN Active | WA 6050 |
| 2 | 18 628 421 358 CK ENGINEERING PTY LTD |
ABN Active | NSW 2567 |
| 3 | 36 681 329 840 CK ENGINEERING SOLUTIONS PTY LTD |
ABN Active | VIC 3810 |
| 4 | 38 677 713 647 CK WELDING & ENGINEERING PTY LTD |
ABN Active | WA 6163 |
| 5 | 81 192 083 475 G.L JENKINS & M & CK ENGINEERING SERVICES (WA) PTY LTD |
ABN Cancelled | WA 6050 |
| 6 | 36 519 927 198 KAISER SUPERANNUATION FUND J & CK ENGINEERING PTY LTD ATF KAISER SUPERANNUATION FUND |
ABN Active | VIC 3934 |