ADAMS RES. EN. INC.DL-,10 revenue for the last year amounted to 2.49 B EUR, the most of which — 2.34 B EUR — came from its highest performing source at the moment, Crude Oil Marketing, the year earlier bringing 3.02 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought ADAMS RES. EN. INC.DL-,10 2.49 B EUR, and the year before that — 3.15 B EUR.