HALLIBURTON CO. DL 2,50 revenue for the last year amounted to 20.85 B EUR, the most of which — 12.40 B EUR — came from its highest performing source at the moment, Completion and Production, the year earlier bringing 10.82 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought HALLIBURTON CO. DL 2,50 9.18 B EUR, and the year before that — 8.53 B EUR.