| # | Entity | Status | State |
|---|---|---|---|
| 1 | 11 627 000 506 WILLIAMS MECHANICAL PTY LTD |
ABN Active | WA 6244 |
| 2 | 50 159 204 243 WILLIAMS MECHANICAL & HYDRAULICS PTY LTD |
ABN Cancelled | NSW 2830 |
| 3 | 52 666 077 676 WILLIAMS MECHANICAL AND MARINE PTY LTD |
ABN Active | WA 6716 |
| 4 | 64 618 737 269 HEATH WILLIAMS MECHANICAL PTY LTD |
ABN Active | WA 6069 |
| 5 | 84 138 419 860 Vince Williams Mechanical Repairs Pty Ltd |
ABN Active | NSW 2529 |