KEIO CORPORATION revenue for the last year amounted to 347.13 B JPY, the most of which — 109.54 B JPY — came from its highest performing source at the moment, Transportation, the year earlier bringing 97.24 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought KEIO CORPORATION 347.13 B JPY, and the year before that — 299.87 B JPY.