RIKEN KEIKI CO LTD revenue for the last year amounted to 45.00 B JPY, the most of which — 30.96 B JPY — came from its highest performing source at the moment, Stationary Gas Detection and Alarm Equipment, the year earlier bringing 26.26 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought RIKEN KEIKI CO LTD 26.17 B JPY, and the year before that — 24.84 B JPY.