HII  (19) Sierra Nevada Corporation  (9) Modern Technology Solutions  (5) Leidos  (4) Riverside Research  (3) STR  (2) Infinity Labs  (2) Credence  (2) Allen Integrated Solutions  (1) Seneca Holdings  (1) Peerless Technologies  (1) Booz Allen Hamilton  (1) Aevex  (1) Frontier Technology Inc.  (1)