Kirby Corporation revenue for the last year amounted to 3.09 B USD, the most of which — 1.72 B USD — came from its highest performing source at the moment, Marine Transportation, the year earlier bringing 1.62 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Kirby Corporation 3.09 B USD, and the year before that — 2.78 B USD.