| # | Entity | Status | State |
|---|---|---|---|
| 1 | 35 663 157 917 SYED'S ENGINEERING WORKS OPTION PTY LTD |
ABN Active | NSW 2195 |
| 2 | 62 602 793 582 SYS-TEK ENGINEERING PTY LTD |
ABN Active | WA 6065 |
| 3 | 64 085 193 871 SY CONSTRUCTIONS & STRUCTURAL ENGINEERING PTY LTD |
ABN Cancelled | NSW 2152 |
| 4 | 14 453 804 618 YADAV PRASAD SHARMA SYS ENGINEERING SERVICES |
ABN Cancelled | WA 6107 |
| 5 | 18 189 604 387 SYED SUMAIR SAJJAD Syed Engineering Consultants |
ABN Cancelled | WA 6163 |