Logicon / Northrop Grumman IT
- Northrop Grumman Information Systems - formerly Logicon 48613
- Northrop Grumman Information Technology (Archive) 48614
- Vinnell Corporation - a Northrop Grumman Company 48615
- Logicon Metaphase PDM News Links (Archive) 48616
- Northrop Grumman - Our Heritage 48617
- Northrop Grumman 48618
- Logicon Inc. - Answers 48619