- National Investigations Centre 151Head Office: Level 2 552 Princess Hwy, Rockdale, NSW
- Inwood (International) Pty Ltd 15210 Ormonde Pde, Hurstville, NSW
- Mivel Pty Ltd 15313 Woids Ave, Hurstville, NSW
- National Investigation Centre 154Head Office PO Box 151, Sylvania, NSW
- MDK & Associates Pty Ltd 155Ste 4/ 19-21 Central Rd, Miranda, NSW
- Diamond Investigations 15618 Larissa Ave, West Pennant Hills, NSW
- SpouseBusters 157PO Box 3510, Rhodes, NSW
- Sutcliffe Investigations 158PO Box 3510, Rhodes, NSW
- CTG Investigations 15958 Dawn St, Greystanes, NSW
- Twenty20 Investigations 1601 Kempsy St, Blacktown, NSW
- Askew George & Associates Pty Ltd 161717 Victoria Rd, Ryde, NSW
- Blondell Group 162Unit 1 980 Victoria Rd, West Ryde, NSW
- Worksite Investigations 163Suite 101 23 Angas St, Meadowbank, NSW
- Lee Kelly Commercial Investigations 164Level 2 55 Grandview St, Pymble, NSW
- GIS Global Investigative Services 16524 Leutara Rd, Manly, NSW
- Scott's Investigation Services 166Shop 4 - 1 Collaroy St, Collaroy, NSW
- Hunt Investigations 16742 Sea Beach Ave, Mona Vale, NSW
- Internet Fraud Watchdog 168Level 32 1 Market St, Sydney, NSW
- Lancaster Investigations 169Suite 469 315 Castlereagh St, Sydney, NSW
- National Surveillance & Intelligence 170Level 6/ 5 Hunter St, Sydney, NSW
- Peter A Cox & Associates 17135 Park St, Mona Vale, NSW
- Spy4u2 Security Group Pty Ltd 172Unit a 104-106 Wigram St, North Parramatta, NSW
- C.I.D.S. Investigation & Security Services 173229 Macquarie St, Sydney, NSW
- Websters Investigations 174Level 3 50 Pitt St, Sydney, NSW
- Precise Investigation 175Level 5 1 Alfred St, Sydney, NSW
- Brosnans Investigation Services 176PO Box 2135 Strawberry Hills 2012, Surry Hills, NSW
- Competitive Intelligence Australia 17797 Womerah Ave, Darlinghurst, NSW
- A.B.L.E. Investigations Pty Ltd 17850 Sutherland St, Mascot, NSW
- Bondi Investigations 1796/ 188 Bronte, Waverley, NSW
- A.B.L.E. Investigations Pty Ltd 18011 Balfour Rd, Kensington, NSW