| # | Entity | Status | State |
|---|---|---|---|
| 1 | 35 058 515 138 TOPICAL INFORMATION SERVICES PTY. LTD. |
ABN Active | NSW 2126 |
| 2 | 47 828 862 965 TOPIC TRAINING SERVICES |
ABN Active | WA 6055 |
| 3 | 51 790 355 141 TOPIC SUPPORT SERVICES |
ABN Active | WA 6055 |
| 4 | 78 101 493 083 TOPIC SERVICES PTY LTD |
ABN Active | QLD 4030 |
| 5 | 90 461 649 863 TOPIC LABOUR HIRE SERVICES |
ABN Active | WA 6055 |
| 6 | 94 805 336 758 TOPIC MECHANICAL SERVICES |
ABN Active | WA 6055 |
| 7 | 81 612 701 091 MARKO TOPIC TOPIC ELECTRICAL SERVICES & AIRCONDITIONING |
ABN Cancelled | WA 6051 |