Rolling Meadows  (5) Chicago  (4) Mascoutah  (2) Naperville  (2) Scott Air Force Base  (2) Rock Island  (1) Rockford  (1) Springfield  (1)

Northrop Grumman Space Systems  (5) L3Harris Technologies  (4) Boeing Defense Systems  (2) Executive Office for U.S. Attorneys and the Office of the U.S. Attorneys  (2) Nuclear Regulatory Commission  (2) Akima  (1) Microsoft  (1) Defense Information Systems Agency  (1) Army Tank-Automotive and Armament Command (TACOM)  (1) RTX  (1) Environmental Protection Agency  (1)