Naval Sea Systems Command  (11) SAIC  (3) L3Harris Technologies  (3) UICGS/Bowhead  (2) SPA  (2) Omitron  (2) General Dynamics Mission Systems  (1) Scientific Research Corporation  (1) Astrion  (1) MANTECH  (1) Missile Defense Agency  (1) Air Force Elements, U.S. Strategic Command  (1) MTSI  (1)