US SILICA HOLDINGS INC revenue for the last year amounted to 1.41 B EUR, the most of which — 900.82 M EUR — came from its highest performing source at the moment, Oil and Gas Proppants, the year earlier bringing 898.54 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought US SILICA HOLDINGS INC 1.41 B EUR, and the year before that — 1.43 B EUR.