O'REILLY AUTOMOTIVE INC revenue for the last year amounted to 14.33 B EUR, the most of which — 14.33 B EUR — came from its highest performing source at the moment, Automotive Aftermarket Parts, the year earlier bringing 13.46 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought O'REILLY AUTOMOTIVE INC 14.33 B EUR, and the year before that — 13.46 B EUR.