King of Prussia  (23) Philadelphia  (14) Pittsburgh  (9) Archbald  (7) Chambersburg  (5) State College  (5) Mechanicsburg  (4) Johnstown  (3) Fort Indiantown Gap  (2) Tobyhanna  (2) West Mifflin  (2) Ambridge  (1) Boyers  (1) Bristol  (1) Canonsburg  (1) Dallastown  (1) Lemont Furnace  (1) New Cumberland  (1) Ridley Park  (1) Saint Lawrence  (1) Smithfield  (1)

Lockheed Martin  (25) Carnegie Mellon University's Software Engineering Institute  (8) RTX  (7) Noblis  (6) KBR  (4) Athena Technology Group, Inc.  (4) Concurrent Technologies Corporation  (3) Boeing Defense Systems  (3) General Dynamics Mission Systems  (2) Markon  (2) GDIT  (2) U.S. Army Aviation and Missile Command  (2) CSA Global LLC  (2) Entarian  (2) Arlo Solutions  (2) Defense Logistics Agency  (1) Defense Contract Management Agency  (1) North Point Technology  (1) Kratos Defense  (1) MKS2 Technologies  (1) ENSCO  (1) L3Harris Technologies  (1) LMI Consulting  (1) Goldbelt  (1) CAE USA Inc.  (1) Sabre Systems, LLC  (1) ORBIS Inc. – An Engineering Solutions Company  (1) Peraton  (1)