The Central Intelligence Agency is the U.S. Government's primary foreign intelligence gathering and analysis agency.
The Commission on the Roles and Capabilities of the U.S. Intelligence Community is a Congressionally appointed commission. It was created in 1990s and makes recommendations on desirable intelligence agency reforms.
The Defense Information System Agency is a combat support agency for planning, supporting, developing, fielding, and operating the command, control, communications, and information systems serving the President, Vice-President, Secretary of Defense, Joint Chiefs of Staff, and other Defense Department entities during both peace and wartime.
The Defense Intelligence Agency provides foreign military intelligence for U.S. warfighters and policymakers.
The Department of Energy Office of Health, Safety, and Security is responsible for providing security for all DOE programs and facilities.