TAMAI STEAMSHIP CO revenue for the last year amounted to 6.22 B JPY, the most of which — 5.17 B JPY — came from its highest performing source at the moment, Ocean Transport, the year earlier bringing 6.25 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought TAMAI STEAMSHIP CO 5.13 B JPY, and the year before that — 7.31 B JPY.