| # | Entity | Status | State |
|---|---|---|---|
| 1 | 16 912 052 251 HOSPITALITY INDUSTRY OH&S ASSOCIATION OF SA INCORPORATED |
ABN Active | SA 5034 |
| 2 | 17 005 823 736 OH AND ASSOCIATES PTY. LTD. |
ABN Active | QLD 4218 |
| 3 | 25 074 222 165 SANG WON OH PTY LTD Dr Sam Oh & Associates |
ABN Active | NSW 2194 |
| 4 | 30 810 355 712 ROSE HEJAIJ RKH and Associates - OH&S Professionals |
ABN Active | NSW 2162 |
| 5 | 15 041 504 201 HOWIE SEONG OH Howie Oh & Associates |
ABN Active | TAS 7004 |