ZENKOREN (National Federation of Metal Mine Workers Union)

Zen Koren (All Japan Federation of Metal Mine Workers' Unions)

KAGAKU SENI RODO KUMIAI RENGO (National Federation of Chemical Textile Workers' Union)

ZENKOKU KANKO SHOKUIN RODO KUMIAI KYOGIKAI (National Federation of Government Workers' Union)

Takara Mine Workers Union

ZENKOKU KIKAI (National Machine and Metal Industry Workers' Union)

ZENKOKU SEIMEI HOKEN JUGYOIN KUMIAI RENGOKAI (National Federation of Life Insurance Workers' Union)

ZENKOKU SENI SANGYO RODO KUMIAI DOMEI (National Federation of Textile Industry Workers' Union)

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

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

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

KOKUTETSU RODO KUMIAI (National Railway Workers Union)

KOKUTETSU RODO KUMIAI (National Railway Workers' Union)

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

ZENKOKU TEISHIN JYUGYOIN KUMIAI (National Communications Workers' Union)

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

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

ZENKOKU GINKO JUGYOIN RODO KUMIAI RENGOKAI (National Federation of Bank Employees' Union)

SHIN SANBETSU: ZENKOKU SANGYOBETSU RODO KUMIAI RENGO (National Federation of Industrial Union)

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

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

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

NIPPON JICHI DANTAI RODO KUMIAI SORENGO (Japan General Federation of Local and Government Workers' Union)

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

YMC Workers' Union