Similar to 国鉄労働組合

National Railway Chiba Motive Power Union

All Japan National Railway Locomotive Engineers' Union

Japan Railway Workers' Union

Sōhyō

The Federation of Information and Communication Technology Service Workers of Japan

All Printing Bureau Labour Union

National Federation of Automobile Transport Workers

National Federation of Agricultural, Forestry and Fishery Corporations' Workers' Unions

All-Japan Seamen's Union

All Japan Dockworkers' Union

All Japan Water Supply Workers' Union

All Japan Shipbuilding and Engineering Union