| # | Entity | Status | State |
|---|---|---|---|
| 1 | 29 708 394 862 XI OMICRON CHAPTER SIGMA THETA TAU INTERNATIONAL |
ABN Active | NSW 2560 |
| 2 | 33 673 197 739 UTS Beta Alpha Psi- Upsilon Tau Sigma |
ABN Active | NSW 2000 |
| 3 | 56 637 428 356 SIGMA TAU PTY LTD |
ABN Active | QLD 4000 |
| 4 | 96 709 367 023 TAU GAMMA PHI SIGMA STATE COUNCIL OF WESTERN AUSTRALIA INCORPORATED |
ABN Active | WA 6104 |
| 5 | 84 576 541 916 DANIEL THOMPSON TAU DELTA SIGMA STUDIOS |
ABN Cancelled | VIC 3108 |