I think that some would dispute the CIA as an intelligence agency :)
~M

>Air Force Intelligence
>Army Intelligence
>Central Intelligence Agency (CIA)
>Coast Guard Intelligence
>Defense Intelligence Agency (DIA)
>Department of Energy
>Department of Homeland Security (DHS)
>Department of State
>Department of the Treasury
>Drug Enforcement Administration
>Federal Bureau of Investigation (FBI)
>Marine Corp Intelligence
>National Geospatial-Intelligence Agency (NGA)
>National Reconnaissance Office (NRO)
>National Security Agency (NSA)
>Navy Intelligence
>State Department's Bureau of Intelligence and Research (INR)
>
>Above are 17 Federal Agencies that are responsible for gathering intelligence information and enforcement. There may be more as this is all that I have been able to find by investing a few minutes of my time.
>
>Reagan-era executive order, known as 12333, restricts intelligence collection on American citizens and companies.
>
>As I recall Nazi Germany had 8 Intelligence Agencies. Each one looked over the shoulder of the other. After all you never know who can be trusted!
>
>It seems like the roles and jurisdiction of United States Intelligence Agencies has changed over the years. One example is the jurisdiction of the FBI. It was limited to domestic issues and now is involved in international events.