| # | Entity | Status | State |
|---|---|---|---|
| 1 | 31 647 204 064 SIGMA ENGINEERING SOLUTIONS PTY LTD |
ABN Cancelled | WA 6163 |
| 2 | 84 914 252 327 The Trustee for Sigma Civil Engineers Trust |
ABN Cancelled | WA 6030 |
| 3 | 90 000 966 094 SIGMA CIVIL ENGINEERING SERVICES PTY LTD |
ABN Cancelled | NSW 2580 |
| 4 | 91 167 048 526 SIGMA POWER ENGINEERING PTY LTD |
ABN Cancelled | WA 6152 |
| 5 | 96 165 295 714 SIGMA ELECTRICAL ENGINEERING PTY LTD |
ABN Cancelled | VIC 3008 |
| 6 | 98 091 486 903 SIGMA ENGINEERING PTY LTD |
ABN Active | QLD 4017 |
| 7 | 24 580 426 487 PENELOPE CLAIR STEWART SIGMA ENGINEERING & RESEARCH |
ABN Cancelled | QLD 4068 |
| 8 | 53 753 906 186 HAMID MORADI Sigma building engineering group |
ABN Active | VIC 3046 |
| 9 | 53 819 572 929 THE WARNE FAMILY TRUST SIGMA CONSULTING ENGINEERS |
ABN Active | WA 6020 |
| 10 | 92 155 052 689 ANBUMAN DAKSHINAMURTHY SIGMA ENGINEERING SOLUTIONS |
ABN Active | WA 6163 |