Railway Workers' Union (NRU) (国鉄労働組合, Kokutetsu-rōdō-kumiai) is a Japanese trade union, which is usually referred to as Kokurō (国労) in Japanese. Historically...

The Japanese Federation of National Railway Workers' Unions (Japanese: 新国鉄労働組合連合, Shinkokuro) was a trade union representing workers on the Japanese National...

National Railway Chiba Motive Power Union (国鉄千葉動力車労働組合, Kokutetsu-chiba-dōryokusha-rōdōkumiai) is a Japanese trade union, which is usually referred to...

The National Railway Locomotive Engineers' Union (国鉄動力車労働組合, Kokutetsu dōryokusha rōdōkumiai) was a Japanese trade union, which was usually referred to...