O'Reilly Automotive, Inc. revenue for the last year amounted to 15.81 B USD, the most of which — 15.81 B USD — came from its highest performing source at the moment, Automotive Aftermarket Parts, the year earlier bringing 14.41 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought O'Reilly Automotive, Inc. 15.81 B USD, and the year before that — 14.41 B USD.