Pittsburgh  (13) King of Prussia  (12) Johnstown  (4) State College  (4) Chesterbrook  (1) Monroeville  (1) Philadelphia  (1)

Lockheed Martin  (11) Carnegie Mellon University's Software Engineering Institute  (11) Concurrent Technologies Corporation  (4) RTX  (4) Arcfield  (2) CACI  (2) General Dynamics Mission Systems  (1) LMI Consulting  (1) Sabre Systems, LLC  (1)