STEPAN CO. DL 1 revenue for the last year amounted to 2.11 B EUR, the most of which — 1.45 B EUR — came from its highest performing source at the moment, Surfactants, the year earlier bringing 1.76 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought STEPAN CO. DL 1 1.19 B EUR, and the year before that — 1.48 B EUR.