| # | Entity | Status | State |
|---|---|---|---|
| 1 | 44 146 342 663 WILLIS ENTERPRISES (NSW) PTY LTD |
ABN Active | NSW 2795 |
| 2 | 67 639 909 678 PRADER - WILLI SYNDROME ASSOCIATION OF NSW (AUSTRALIA) INC |
ABN Active | NSW 2077 |
| 3 | 76 152 609 393 BIG WILLY (NSW) PTY LTD |
ABN Cancelled | NSW 2094 |
| 4 | 91 131 248 998 Willis (NSW) Pty Limited |
ABN Active | NSW 2330 |
| 5 | 56 433 223 597 HAYDEN JAMES WILLIS WILLIS ELECTRICAL NSW |
ABN Active | NSW 2088 |
| 6 | 67 639 909 678 PRADER - WILLI SYNDROME ASSOCIATION OF NSW (AUSTRALIA) INC PRADER WILLI SYNDROME OF NSW AUST INCE |
ABN Active | NSW 2077 |