King of Prussia  (28) Pittsburgh  (6) Philadelphia  (5) State College  (3) Mechanicsburg  (2) Annville  (1) Horsham  (1) Johnstown  (1)

Lockheed Martin  (26) Carnegie Mellon University's Software Engineering Institute  (5) Noblis  (3) RTX  (3) Entarian  (2) Stellar Innovations  (1) Concurrent Technologies Corporation  (1) North Point Technology  (1) Valiant Integrated Services  (1) LMI Consulting  (1) GDIT  (1) CACI  (1) TENAX Technologies  (1)