A.S. Investigations | | Miranda | | 9525 2588 |
| Advanced Investigations | | PO Box 494 | | Blacktown | | 9838 1575 | | Email |
| Alert Investigators | | Sutherland | | Sutherland | | 0414 362 000 | | Email |
| All States Investigations & Corporate Protection | | Ste D2, 6074 Princes Hwy | | Sutherland | | 9545 0333 | | Email |
|
Allstate Investigations | | 852 Princes Highway | | Sutherland | | Email |
| Coopers Investigations | | L2, 670 Princes Hwy | | Sutherland | | 9542 5777 |
| Liz Hunter & Associates | | PO Box 3342 | | Bangor | | 9543 3993 | | Email |
| Thinklink Pty Ltd | | 15 Parys Close | | Menai | | 9543 5520 | | Email |
|
