ZENNIHON SHIMBUN RODO KUMIAI (All Japan Press Workers Union)

ZENNIHON KOWAN RODO KUMIAI (All Japan Federation of Harbor Workers' Union)

ZEN NIPPON KINZOKU RODO KUMIAI (All Japan Metal Workers Union)

ZEN NIHON TSUUN RODO KUMIAI (All Japan Express Company Workers' Union)

ZEN NIHON ZOSEN RODO KUMIAI (All Japan Ship-Building Workers' Union)

ZEN NORIN RODO KUMIAI (All Agriculture-Forestry Workers' Union)

ZEN NIPPON INSATSU RODO KUMIAI (All Japan Printing and Publishing Workers' Union)

ZEN NIPPON SOKO RODO KUMIAI DOMEI (All Japan Federation Warehouse Workers' Union)

KOKUTETSU RODO KUMIAI (National Railway Workers Union)

KOKUTETSU RODO KUMIAI (National Railway Workers' Union)

SHITETSU RODO KUMIAI (Japan Federation of Private Railway Workers' Union)

ZEN NIHON DOKEN IPPAN RODO KUMIAI (All Japan General Civil Engineering and Construction Workers Union)

ZENKOKU ZAIMU RODO KUMIAI (National Finance Office Workers' Union)

NIHON JUKO RODO KUMIAI RENGO KAI (Federation of Japan Heavy Industries Workers' Union)

ZEN NIPPON RODO SHOKO KUMIAI (All Japan Commerce and Industry Labor Union)

KANCHO RODO KUMIAI KYOGIKAI (Council of National Government Workers' Union)

All Japan Communications Workers Union (ZENTEI)

NIHON KAMOTSU KENSU KYOKAI RODO KUMIAI (Japan Freight Weighing and Measuring Association's Workers' Union)

NIHON TOSHI KOTSU RODO KUMIAI RENGO KAI (Japan Federation of Municipal Transportation Workers' Union)

NIHON KINZOKU SANGYO RODO KUMIAI KYOGI KAI (Japan Council of Metallic Industrial Workers Union)

ZEN NIPPON JIDOSHA SANGYO RODO KUMIAI (All Japan Motor Car Industry Labor Union)

ZENKOKU DENKI KOGYO RODO KUMIAI (National Electric Machinery Industry Workers' Union)

TOKYO RODO KUMIAI RENGO KAI (Federation of Tokyo Metropolitan Workers' Union)

ZENKOKU RODO KUMIAI GASU KYOGIKAI (National Council of Gas Workers' Union)

ZENKOKU SHINCHUGUN RODO KUMIAI DOMEI (Alliance of All-Japan Workers Unions of Occupation Forces)