DAIDO SIGNAL CO revenue for the last year amounted to 19.50 B JPY, the most of which — 18.02 B JPY — came from its highest performing source at the moment, Railroad Signal, the year earlier bringing 20.45 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought DAIDO SIGNAL CO 19.50 B JPY, and the year before that — 22.17 B JPY.