Northrop Grumman Corporation revenue for the last year amounted to 39.29 B USD, the most of which — 13.95 B USD — came from its highest performing source at the moment, Space Systems, the year earlier bringing 12.28 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Northrop Grumman Corporation 34.38 B USD, and the year before that — 31.75 B USD.