Railway-signal Manufacturers
- Kyosan Electric Manufacturing Co. Ltd.(京三製作所, Kyōsan seisakusho)
- Nippon Signal Co. Ltd.(日本信号, Nippon shingō)
- Daido Signal Co. Ltd.(大同信号, Daidō shingō)
Read more about this topic: Japanese Railway Signals
Railway-signal Manufacturers
Read more about this topic: Japanese Railway Signals