Northrop Grumman Space Systems  (31) Leidos  (13) Booz Allen Hamilton  (9) SAIC  (8) SPA  (7) GDIT  (5) U.S. Marine Corps  (4) Military Treatment Facilities under DHA  (3) Bureau of Naval Personnel  (3) Commander, Naval Information Warfare Systems Command (NAVWARSYSCOM)  (3) Peraton  (3) Sellers & Associates  (2) CACI International  (2) VTG Defense  (2) KBR  (2) Naval Sea Systems Command  (1) Secretary of the Navy Offices (SECNAV)  (1) Naval Education and Training Command  (1) Naval Facilities Engineering Systems Command  (1) U.S. Pacific Fleet  (1)