KBR Government Solutions  (20) Booz Allen Hamilton  (19) Sierra Nevada Corporation  (4) Booz Allen Hamilton  (2) Northrop Grumman  (2) Cyberspatial  (2) Northrop Grumman Space Systems  (2) Leidos  (1) Grey Matters Defense Solutions  (1) RTX  (1) RTX  (1) Boeing Defense Systems  (1) StratGEO  (1) BLUESTAQ  (1)