(n) casual reference to the Central Intelligence Agency.
Typically used by chucks trying to impress others by implying they work for the CIA.
Also used by people with a basic understanding of the intelligence business as a general reference to movie and television characters who are supposed to be spies.
Charlene: "Excuse me, do you have the time?"
Chuck: "I'm sorry, I work for The Agency."
Moviegoer #1: "Damn, check out ol' boy's suit."
Moviegoer #2: "Must be an agency man."
Business or outfit that manages many providers. The agency handles all calls, bookings and advertising. The agency takes a percentage of the fee for each session.
That agency has all the cute girls working for them in this town.