Well, one piece of the puzzle is in the Lulzsec Pastebin itself. the hacked file's original filename is supposed to be "NCFTA_iOS_devices_intel.csv" and a quick Duckduckgo gave me http://www.ncfta.net/ those contractors as source of the data.
http://www.fbi.gov/news/stories/2011/september/cyber_091611
“The exchange of strategic and threat intelligence is really the bread and butter of the NCFTA,” said Special Agent Eric Strom, who heads the FBI unit—the Cyber Initiative and Resource Fusion Unit (CIRFU)—assigned to the NCFTA. “The success of this effort at every level comes down to the free flow of information among our partners.”