| MARK HORN AIRCONDITIONING SERVICE PTY. LIMITED | Former Name (Historical) | ASIC |
| WARADICE PTY. LTD. | Former Name (Historical) | ASIC |
| SIGANTO AIR SERVICE AND SOLUTIONS PTY LTD | Main Name (Current) | ABR |
| MARK HORN AIRCONDITIONING SERVICE PTY. LIMITED | Main Name (Historical) | ABR |
| MARK HORN AIR-CONDITIONING SERVICE PTY LTD | Main Name (Historical) | ABR |
| SIRIUS AIR CONDITIONING & REFRIGERATION | Business Name (Current) | ABR |
| Sirius Air | Business Name (Current) | ABR |
| SIRIUS HVAC | Business Name (Current) | ABR |
| Siganto & Stacey Building Services | Business Name (Historical) | ABR |
| SIGANTO AIR | Business Name (Historical) | ABR |
| SIGANTO AIR SERVICE AND SOLUTIONS | Business Name (Historical) | ABR |
| MHAS | Business Name (Historical) | ABR |