Cardinal Energy Ltd. revenue for the last year amounted to 444.86 M USD, the most of which — 424.20 M USD — came from its highest performing source at the moment, Crude Oil, the year earlier bringing 508.79 M USD. The greatest contribution to the revenue figure was made by Canada — last year it brought Cardinal Energy Ltd. 363.00 M USD, and the year before that — 436.60 M USD.