Booz Allen Hamilton  (19) Northrop Grumman  (12) RTX  (11) MANTECH  (10) Boeing Defense Systems  (5) ICR  (5) CACI  (5) BAE Systems  (3) Technology Service Corporation (TSC)  (2) Two Six Technologies  (2) Everwatch Solutions  (2) GRVTY  (2) Cimarron Inc.  (2) Lockheed Martin  (1) Leidos  (1) NextGen Federal Systems  (1) Cymertek Corporation  (1) Johns Hopkins University Applied Physics Laboratory  (1)