| # | Entity | Status | State |
|---|---|---|---|
| 1 | 37 076 324 180 SYDNEY CITY CIVIL ENVIRONMENT SERVICES PTY. LTD. |
ABN Cancelled | NSW 2205 |
| 2 | 54 063 502 750 OASIS MANAGEMENT GROUP PTY LTD SYDNEY REGIONAL ENVIRONMENT SERVICES PTY LTD |
ABN Cancelled | NSW 2018 |
| 3 | 71 083 573 460 COMPRESSED AIR SOLUTIONS PTY LIMITED SYDNEY COMPUTER ENVIRONMENT PTY LTD |
ABN Cancelled | NSW 2227 |
| 4 | 80 524 195 400 HUNTER INVESTIGATIONS & COMMERCIAL AGENCIES PTY. LTD. & P KATSIDIS SYDNEY REGIONAL ENVIRONMENT SERVICES |
ABN Cancelled | NSW 2018 |
| 5 | 15 211 513 464 THE UNIVERSITY OF SYDNEY Sydney Environment Institute |
ABN Active | NSW 2037 |