| # | Entity | Status | State |
|---|---|---|---|
| 1 | 28 646 193 624 OPTIMUM AIR PTY LTD |
ABN Active | ACT 2604 |
| 2 | 34 151 245 537 Optimum Air Conditioning (NSW) Pty Ltd |
ABN Active | NSW 2259 |
| 3 | 36 672 128 666 OPTIMUM ELECTRICAL & AIR PTY LTD |
ABN Active | WA 6112 |
| 4 | 26 314 237 988 STUART HOWARTH OPTIMUM AIR CONDITIONING |
ABN Active | NSW 2259 |
| 5 | 34 151 245 537 Optimum Air Conditioning (NSW) Pty Ltd OPTIMUM AIR CONDITIONING |
ABN Active | NSW 2259 |
| 6 | 59 671 549 689 AIR-RN & CO PTY LTD OPTIMUM AIR SOLUTIONS |
ABN Active | NSW 2196 |
| 7 | 69 659 671 468 A.C.N. 659 671 468 PTY LTD Optimum Air Vic |
ABN Active | VIC 3134 |
| 8 | 73 199 163 379 BRONTE RICHARD WILKSCH optimum electrical & air-conditioning |
ABN Active | SA 5160 |
| 9 | 51 126 708 078 CHRISTOPHER SPADEK OPTIMUM AIR SERVICES WA |
ABN Active | WA 6054 |
| 10 | 73 199 163 379 BRONTE RICHARD WILKSCH OPTIMUM ELECTRICAL & AIR-CONDITIONING |
ABN Active | SA 5160 |