| # | Entity | Status | State |
|---|---|---|---|
| 1 | 39 104 176 454 MAINSTREAM INDUSTRIES (AUST) PTY LIMITED |
ABN Active | NSW 2330 |
| 2 | 44 131 000 345 AUSTRALIA MAINSTREAM RENEWABLE POWER PTY LIMITED |
ABN Cancelled | NSW 2575 |
| 3 | 48 112 252 114 MAINSTREAM GROUP HOLDINGS LIMITED |
ABN Active | NSW 2000 |
| 4 | 57 064 952 307 MAINSTREAM PLUMBING SERVICES PTY. LIMITED |
ABN Cancelled | NSW 2154 |
| 5 | 72 004 933 340 MAINSTREAM HOLDINGS PROPRIETARY LIMITED |
ABN Active | VIC 3104 |
| 6 | 72 059 872 945 MAINSTREAM INDUSTRIES PTY. LIMITED |
ABN Active | NSW 2330 |
| 7 | 75 611 996 493 MAINSTREAM RECYCLING PTY LIMITED |
ABN Active | NSW 2164 |