| # | Entity | Status | State |
|---|---|---|---|
| 1 | 40 682 891 176 TKS ELECTRICAL AND AIR PTY LTD |
ABN Active | QLD 4503 |
| 2 | 40 682 891 176 TKS ELECTRICAL AND AIR PTY LTD TKS ELECTRO AND AIR |
ABN Active | QLD 4503 |
| 3 | 44 976 675 818 H.R KOSTUCH & T.J KOSTUCH TK Power & Air |
ABN Active | QLD 4811 |
| 4 | 72 265 173 353 HEE CHUL TONY KIM TK ELEC AIR |
ABN Active | NSW 2114 |
| 5 | 65 798 998 816 THOMAS SUTCLIFFE TKS Electrical & Air Conditioning |
ABN Active | VIC 3805 |