NAGAOKA INTERNATIONAL CORPORATION revenue for the last year amounted to 8.15 B JPY, the most of which — 5.53 B JPY — came from its highest performing source at the moment, Energy Related, the year earlier bringing 4.91 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought NAGAOKA INTERNATIONAL CORPORATION 2.71 B JPY, and the year before that — 1.40 B JPY.