security agency

NATO Communications and Information Agency (NCIA / NCI Agency)

Defense Security Cooperation Agency (DSCA)

National Security Agency (NSA)

US Army Security Agency

security agency field station

Security and Evaluations Agency, Europe

security agreement (information security, NATO)

advisory agency

aid agency

Allied Tactical Communications Agency (ATCA)

Central Intelligence Agency (CIA)

collection agency

communications agency

Defense Advanced Research Projects Agency (DARPA)

Defense Contract Management Agency

Defense Information Systems Agency (DISA)

Defense Logistics Agency (DLA)

Defense Mapping Agency (DMA)

European Defense Agency (EDA)

Federal Emergency Management Agency (FEMA)

intelligence agency

inter-agency cooperation

law-enforcement agency

lead agency

Marine Corps Intelligence Agency (MCIA)

Military Postal Service Agency

Missile Defense Agency (MDA)

National Geospatial-Intelligence Agency (NGA)

National Imagery and Mapping Agency (NIMA)

NATO agency

NATO Battlefield Information Collection and Exploitation System Agency (BICES)

NATO Communication and Information Systems Services Agency (NCSA)