| # | Entity | Status | State |
|---|---|---|---|
| 1 | 63 066 455 758 DR JAMES WILLIAMSON PTY LTD |
ABN Cancelled | WA 6009 |
| 2 | 64 855 258 819 JC & E CHANDLER AND DR & AH WILLIAMSON |
ABN Cancelled | QLD 4160 |
| 3 | 86 673 158 002 DR. VINCENT CLARK & ASSOCIATES PTY LTD & EXTENT HERITAGE PTY LIMITED & C.L WILLIAMSON |
ABN Cancelled | NSW 2000 |
| 4 | 33 943 066 174 KAREN GILLIAN WILLIAMSON DR KAREN WILLIAMSON |
ABN Active | VIC 3002 |
| 5 | 56 373 912 115 ET TV EVERYTHING TELEVISION DR Spence and MJ Williamson |
ABN Cancelled | QLD 4350 |
| 6 | 96 512 830 950 RICHARD MARK WILLIAMSON DR RICHARD WILLIAMSON |
ABN Active | QLD 4065 |