| S.No. | Detective Agencies | Country |
| 1. | Australian Security and Intelligence Organisation (ASIO) | Australia |
| 2. | Central Intelligence Agency (CIA) | USA |
| 3. | Federal Bureau of Investigation (FBI) | USA |
| 4. | Direction General de la Securite Exterieur (DGSE) | France |
| 5. | Sazamane Etelaatva Amniate Kechvar (SAVAK) | Iran |
| 6. | Ministry of State Security (MSS) | China |
| 7. | KGB/GRU | Russia |
| 8. | National Intelligence Agency | South Africa |
| 9. | Inter Services Intelligence (ISI) | Pakistan |
| 10. | MI (Military Intelligence)-5 and 6, Special branch, Joint Intelligence Organisation | UK |
| 11. | Research and Analysis Wing (RAW), Intelligence Bureau (IB) | India |
| 12. | MOSSAD | Israel |
| 13. | Naicho | Japan |
| 14. | Mukhabarat | Egypt |
| 15. | General Security Directorate | Iraq |