| Country | Intelligence / Security Agency | Primary Role |
| India | Research and Analysis Wing (R&AW/RAW) | External Intelligence |
| | Intelligence Bureau (IB) | Internal Intelligence |
| | National Investigation Agency (NIA) | Counter-terrorism Investigation |
| USA | Central Intelligence Agency (CIA) | Foreign Intelligence |
| | Federal Bureau of Investigation (FBI) | Domestic Intelligence & Federal Investigation |
| | National Security Agency (NSA) | Signals Intelligence & Cyber Security |
| | Defense Intelligence Agency (DIA) | Military Intelligence |
| United Kingdom (UK) | MI5 (Security Service) | Domestic Intelligence |
| | MI6 (Secret Intelligence Service – SIS) | Foreign Intelligence |
| | GCHQ (Government Communications Headquarters) | Signals Intelligence |
| Russia | Federal Security Service (FSB) | Internal Security |
| | Foreign Intelligence Service (SVR) | Foreign Intelligence |
| | Main Directorate (GRU/GU) | Military Intelligence |
| China | Ministry of State Security (MSS) | Foreign & Domestic Intelligence |
| Israel | Mossad | Foreign Intelligence |
| | Shin Bet (ISA) | Internal Security |
| | Aman | Military Intelligence |
| Pakistan | Inter-Services Intelligence (ISI) | Military & External Intelligence |
| | Intelligence Bureau (IB Pakistan) | Internal Intelligence |
| France | Directorate General for External Security (DGSE) | Foreign Intelligence |
| | Directorate General for Internal Security (DGSI) | Domestic Intelligence |
| Germany | Federal Intelligence Service (BND) | Foreign Intelligence |
| | Federal Office for the Protection of the Constitution (BfV) | Internal Security |
| Australia | Australian Security Intelligence Organisation (ASIO) | Domestic Intelligence |
| | Australian Secret Intelligence Service (ASIS) | Foreign Intelligence |
| Canada | Canadian Security Intelligence Service (CSIS) | National Security |
| Japan | Public Security Intelligence Agency (PSIA) | Internal Intelligence |
| | Cabinet Intelligence and Research Office (CIRO) | Strategic Intelligence |
| South Korea | National Intelligence Service (NIS) | National Intelligence |
| North Korea | Reconnaissance General Bureau (RGB) | Foreign & Military Intelligence |
| Iran | Ministry of Intelligence (MOIS) | National Intelligence |
| Turkey | National Intelligence Organization (MIT) | National Intelligence |
| Ukraine | Security Service of Ukraine (SBU) | Internal Security |
| Brazil | Brazilian Intelligence Agency (ABIN) | National Intelligence |
| South Africa | State Security Agency (SSA) | National Intelligence |
| Egypt | General Intelligence Service (GIS) | Foreign Intelligence |
| Saudi Arabia | General Intelligence Presidency (GIP) | National Intelligence |
| Iraq | Iraqi National Intelligence Service (INIS) | National Intelligence |
