Imperial Petroleum Inc. revenue for the last year amounted to 183.70 M USD, the most of which — 158.58 M USD — came from its highest performing source at the moment, Voyage Charter, the year earlier bringing 67.96 M USD. The greatest contribution to the revenue figure was made by Global — last year it brought Imperial Petroleum Inc. 183.73 M USD, and the year before that — 97.02 M USD.