| # | Entity | Status | State |
|---|---|---|---|
| 1 | 32 448 719 157 Environmental Collective Housing Organisation (ECHO) Inc |
ABN Active | ACT 2602 |
| 2 | 42 669 564 720 JENNIFER YVONNE SANDERSON Echo House |
ABN Cancelled | QLD 4870 |
| 3 | 82 107 546 690 PEDERSEN ARCHITECTURE PTY LTD THE ECHO HOUSE |
ABN Active | NSW 2300 |
| 4 | 44 254 661 819 STEVE PRESTON steve preston echo housing and design |
ABN Active | QLD 4209 |