King of Prussia  (44) Pittsburgh  (12) Canonsburg  (11) Philadelphia  (10) Mechanicsburg  (6) State College  (3) Boyers  (2) Bristol  (2) New Cumberland  (2) Ambridge  (1) Chambersburg  (1) Fort Indiantown Gap  (1) Harrisburg  (1) Johnstown  (1) Tobyhanna  (1)

Lockheed Martin  (43) General Dynamics Mission Systems  (17) Carnegie Mellon University's Software Engineering Institute  (6) Entarian  (4) Applied Research Laboratory at Penn State University  (4) L3Harris Technologies  (3) Athena Technology Group, Inc.  (3) Scientific Research Corporation  (2) Constellation West  (2) KBR  (2) GDIT  (2) Concurrent Technologies Corporation  (1) Defense Counterintelligence and Security Agency  (1) Leidos  (1) MKS2 Technologies  (1) Booz Allen Hamilton  (1) LMI Consulting  (1) Goldbelt  (1) CSA Global LLC  (1) Quantum Sky  (1) Arlo Solutions  (1) TEKSYNAP  (1)