 One of the world's largest (and last) producers of vacuum tubes, JJ Electronic has a factory in Čadca.Čadca railway station is the town's main station.It forms part of the cross-border Žilina–Čadca–Svrčinovec zastávka–Mosty u Jablunkova railway (to the Czech Republic), and is also a junction station for two other lines, one of them also cross-border (to Poland).