secret service
government agency concerned with the gathering of intelligence data
State Security Committee of the Republic of Belarus
National intelligence agency of Belarus
Investigative Committee of the Prosecutor-General's office of Russia
law enforcement agency
Torchwood Institute
fictional secret organization in the Doctor Who universe
security agency
government organization
Australian Secret Intelligence Service
Australian foreign intelligence agency
Presidential Security Service
Russian federal government agency
First Chief Directorate
foreign surveillance organisation of the Soviet Union, within the KGB
Foreign Branch
Intelligence agency of the Republic of South Africa
Political Security Directorate
Syrian intelligence service
intelligence agency
government agency responsible for the collection, analysis or exploitation of information and intelligence
United States Secret Service
U.S. Federal Law Enforcement Agency under the United States Department of Homeland Security
State Security Administration
police agency of Yugoslavia
Ministry of State Security of the Democratic People's Republic of Korea
North Korean secret police
Stargate Project
secret U.S. Army unit established to investigate the potential for psychic phenomena in military and domestic intelligence applications
Security Service of the Ministry of Internal Affairs in Poland
secret service of Poland from 1956 to 1989
State Intelligence Agency
Bulgarian foreign intelligence service
Security Information Agency
national intelligence agency of Serbia
Federal Protective Service
government agency