Leidos Holdings, Inc. revenue for the last year amounted to 15.44 B USD, the most of which — 8.73 B USD — came from its highest performing source at the moment, Defense Solutions, the year earlier bringing 8.24 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Leidos Holdings, Inc. 14.02 B USD, and the year before that — 13.10 B USD.