| # | Entity | Status | State |
|---|---|---|---|
| 1 | 20 669 887 816 OPUS MUSIC ENGINEERING PTY LTD |
ABN Active | NSW 2048 |
| 2 | 25 568 138 808 MELBOURNE UNIVERSITY ENGINEERING MUSIC SOCIETY |
ABN Active | VIC 3052 |
| 3 | 37 069 390 218 ENGINE-EAR MUSIC PTY LTD |
ABN Cancelled | NSW 2008 |
| 4 | 49 088 993 104 ENGINE ROOM MUSIC PTY LTD |
ABN Cancelled | NSW 2000 |
| 5 | 82 658 939 729 MUSIC PRODUCER AND ENGINEERS' GUILD LIMITED |
ABN Active | VIC 3451 |
| 6 | 19 891 678 237 LUTRUST PTY. LIMITED AND ANDREW KLIPPEL HOLDINGS PTY LIMITED ENGINE ROOM MUSIC PARTNERSHIP |
ABN Cancelled | NSW 2000 |
| 7 | 49 088 993 104 ENGINE ROOM MUSIC PTY LTD |
ABN Cancelled | NSW 2000 |
| 8 | 68 341 813 369 MATTHEW PHILIP HASKETT Engineering New Music Australia |
ABN Cancelled | QLD 4512 |