DAIDO SIGNAL CO revenue for the last year amounted to 20.77 B JPY, the most of which — 19.23 B JPY — came from its highest performing source at the moment, Railroad Signal, the year earlier bringing 18.02 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought DAIDO SIGNAL CO 20.77 B JPY, and the year before that — 19.50 B JPY.