NGK Spark Plug Co. Ltd. revenue for the last year amounted to 3.76 B EUR, the most of which — 3.08 B EUR — came from its highest performing source at the moment, Automotive Related, the year earlier bringing 2.88 B EUR. The greatest contribution to the revenue figure was made by Other — last year it brought NGK Spark Plug Co. Ltd. 964.12 M EUR, and the year before that — 836.42 M EUR.