Mammoth Energy Services, Inc. revenue for the last year amounted to 309.49 M USD, the most of which — 130.77 M USD — came from its highest performing source at the moment, Well Completion, the year earlier bringing 169.87 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Mammoth Energy Services, Inc. 287.47 M USD, and the year before that — 343.31 M USD.