| # | Entity | Status | State |
|---|---|---|---|
| 1 | 14 661 386 358 SIMPSON COMPANY CONTRACTING PTY LTD |
ABN Active | SA 5118 |
| 2 | 36 618 142 091 READING & SIMPSON HOLDING COMPANY PTY LTD |
ABN Active | QLD 4670 |
| 3 | 50 006 655 376 SIMPSON CONSTRUCTION COMPANY PTY. LTD. |
ABN Active | VIC 3125 |
| 4 | 60 083 288 797 SIMPSON GROUP OF COMPANIES PTY LTD |
ABN Cancelled | QLD 4017 |
| 5 | 62 103 411 016 P K SIMPSON & CO. PTY LIMITED P K SIMPSON & COMPANY |
ABN Active | NSW 2010 |