Well according to this Wikipedia piece[0] about the NSA and Palantir:
A document leaked to TechCrunch revealed that
Palantir's clients as of 2013 included at least
twelve groups within the U.S. government,
including the CIA, DHS, NSA, FBI, CDC
From: http://techcrunch.com/2015/01/11/leaked-palantir-doc-reveals...[0] https://en.wikipedia.org/wiki/Palantir_Technologies#cite_not...