| # | Entity | Status | State |
|---|---|---|---|
| 1 | 83 098 901 592 PIPING DESIGNER SERVICES PTY LTD |
ABN Cancelled | WA 6019 |
| 2 | 55 484 269 200 J & C KRUMPELMAN PIPING DESIGN SERVICES |
ABN Cancelled | WA 6153 |
| 3 | 83 098 901 592 PIPING DESIGNER SERVICES PTY LTD |
ABN Cancelled | WA 6019 |
| 4 | 84 843 270 580 P.A KOJUNDZICH & R KOJUNDZICH P & A PIPING DESIGN SERVICES |
ABN Active | WA 6021 |